1/2 inch length Screws
478,653 Screws, showing 200, (click on any line for more information)
| Buy from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 phillips 100dg flat hd 18-8 | 36 | 
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| Century | FL | Set Screw (Socket Head) | ASTM A574 | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 hex socket set screw cup pt alloy stl | 550 | 
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40 x 1/2 phhil flat undercut m/s m/s steel trivalant zinc rohs compliant | 9013 | 
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| Century | FL | Cabinet Screw (Particle Board Screw, MDF Screw) | Plain | #6 x 1/2 | 6x1/2 phillips flat particle bd screw black | 14200 | 
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| Century | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2 x 1/2 | #2 x 1/2 phillips pan type-a sms stainless steel | 4995 | 
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| Brikksen | FL | Hurricane Shutter Screw (Sidewalk Bolt) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 side walk bolt ss/combo | 20000 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8 x 1/2 | 8 x 1/2 phillips flat type-a ss/chrome plate- | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | #10 x 1/2 | 10 x 1/2 phillips flat a ss/black xylan | 3000 | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 phillips pan m/s ss 100 per box f-72box | inquire | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 soc set cup point ss/chrome | inquire | 
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| Brikksen | FL | Wood Screw | Brass | Plain | #6 x 1/2 | #6 x 1/2 slotted flat head wood screw brass 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1/2 | #10 x 1/2 slotted hex washer head sms type-a 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | #8-32 x 1/2 | 8-32 x 1/2 phillips pan m/s 18-8 black xylan- | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 8-32 x 1/2 slottedflat m/s ss | inquire | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 socket set cup point ss | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #8-32 x 1/2 | 8-32 x 1/2 phillips flat m/s ss/black oxide | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | 6-32 x 1/2 phillips ovalal m/s ss/chrome-10 per bag | 100 | 
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| Brikksen | FL | Self-Tapping Self-Drilling Screw (Tek etc.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 8 x 1/2 | 8 x 1/2 phillips pan tek 410/chrom- | 14000 | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 phillips truss head m/s 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Chrome Plated | #6 x 1/2 | #6 x 1/2 phillips pan sms chrome ovaler 18-8 ss 50 per small bag 5 small bags per master pack-generic brand | 2000 | 
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| Brikksen | FL | Self-Tapping Thread Cutting Screw (types f,1,23,25) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24 x 1/2 phillips flat u/c type-23 ss | inquire | 
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| Marshall | MI | Machine Screw | Steel | Zinc/Clear | #8-32 x 1/2 | 8-32x1/2 phillips flat m/s z | 10771 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1/2 | 10 x 1/2 phillips pan type-ab ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | #6 x 1/2 phillips flat head sms type-a 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1/2 | 5/16-24 x 1/2 soc set cp ss | inquire | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 soc set cup point ss/chrome w/nylon patch- | inquire | 
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| Brikksen | FL | Machine Screw | Brass | Plain | #10-32 x 1/2 | 10-32 x 1/2 slottedpan m/s brass | inquire | 
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| Brikksen | FL | Self-Tapping Self-Drilling Screw (Tek etc.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #8 x 1/2 | #8 x 1/2 hex washer head tek screw 410 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 8-32 x 1/2 ph 100 deg flat ms ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | 6 x 1/2 phillips flat type-a ss | 41000 | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1/2 | 1/4-28 x 1/2 soc set cup pt ss | inquire | 
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| Brikksen | FL | Self-Tapping Thread Cutting Screw (types f,1,23,25) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 phillips flat ty f 410 | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 x 1/2 | 12-24 x 1/2 phillips pan head m/s 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Marshall | MI | Self-Tapping Thread Cutting Screw (types f,1,23,25) | Plain | #10-24 x 1/2 | 10-24x1/2 phillips flat type-23 un | 200 | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24 x 1/2 soc set cup pt ss | 23000 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 316, 317, A4 Stainless | Plain | #10 x 1/2 | 10 x 1/2 phillips pan a 316 ss | 30000 | 
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| Brikksen | FL | Self-Tapping Thread Cutting Screw (types f,1,23,25) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 phillips flat ty f 410 | 200 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5 x 1/2 | 5 x 1/2 phillips flat type-a ss | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | phillips ovalal head machine screw 8-32 x 1/2 phillips ovalal ms 18-8 ss/chrome | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 1/2 | 12 x 1/2 phillips ovalal a ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8 x 1/2 | 8 x 1/2 phillips round a ss | inquire | 
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| Brikksen | FL | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 ph pan m/s 316ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | 6 x 1/2 square pan type-a 305ss w/nylon patch painted black m10 | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 8-32 x 1/2 phillips ovalal m/s ss/bo | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 1/2 | 14 x 1/2 phillips pan type-a ss | 25000 | 
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| Brikksen | FL | Machine Screw | Brass | Plain | #8-32 x 1/2 | 8-32 x 1/2 phillips pan m/s brass | 1000 | 
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| Brikksen | FL | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 socket set screw cup point 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24 x 1/2 phillips round head m/s 18-8 ss | 5000 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8 x 1/2 | 8 x 1/2 phillips flat t-ab 18-8 | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8 x 1/2 | 8 x 1/2 slottedhex washer a ss/white | inquire | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 phillips truss m/s ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 1/2 | #4 x 1/2 phillips pan head sms type-a 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | 6 x 1/2 phillips flat type-b ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 316, 317, A4 Stainless | Plain | #10 x 1/2 | 10 x 1/2 phillips flat a 316ss | 26000 | 
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| EASTERN SCREW | RI | Self-Tapping Sheet Metal Screw (types a,b,ab) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10 x 1/2 | 10 x 1/2 phillips pan type-b 410 heat treated | 99960 | 
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| SWACO | OH | Machine Screw | Steel | Cadmium | #6-32 x 1/2 | screw 100 alloy steel cad i nas514p632-8 nas514p632-8 | 1972 | 
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| SWACO | OH | Machine Screw | Steel | Zinc/Clear | #8-32 x 1/2 | 8-32x1/2 hex indented machine screw steel zinc plated | 200 | 
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| SWACO | OH | Set Screw (Socket Head) | ASTM A574 | Plain | #10-24 x 1/2 | #10-24 x 1/2 socket set screw knurl cup point alloy steel thermal black oxide | 1650 | 
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| GLF | OH | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1/2 | #10 x 1/2 phillips truss hd s/m/s type-a 18-8 s/s | 31717 | 
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| GLF | OH | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 soc set screw flat pt 18-8 s/s | 40 | 
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| Siena | IA | Machine Screw | Grade 2 | Zinc/Clear | #10-24 x 1/2 | 10-24 x 1/2 phillips pan head machine screw steel grade 2 zinc clear asmeb18.6.3 | 100 | 
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| Optimas | IL | Machine Screw | Steel | Chrome Plated | 1/4-20 x 1/2 | 1/4-20 x 1/2 phillips pan machine screw steel chrome plated (i) | 96923 | < b> 
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| Optimas | IL | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Black Oxide | #8-18 x 1/2 | 8-18x1/2 6-lobe pan tapping screw c/h steel black oxide type-ab serrated | 36380 | 
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| American | WI | Machine Screw | Steel | Plain | #1 x 1/2 x 4 5/8 | 1-1/2-6x4-5/8 hex hd body bolt 4140 per prt a00852-1 | 4 | 
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| American | WI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | #10-24x1/2 nc phil ovalal hd m/s #18-8 ss | 3782 | 
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| UNEEDA | NJ | Self-Tapping Self-Piercing Screw | Steel | Plain | #8 x 1/2 | #8x1/2 slotted hex w/h self pierce | 2000 | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 phillips flat m/s ss | 5000 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | 6 x 1/2 phillips flat type-a ss/antique white | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 1/2 | 14 x 1/2 phillips ovalal type-a ss | 3000 | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 x 1/2 | 12-24 x 1/2 phillips pan m/s ss | 6000 | 
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 8-32 x 1/2 slottedpan m/s ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | #6 x 1/2 | 6 x 1/2 phillips pan a ss/blk xyl- | 3000 | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 1/2 | #12 x 1/2 phillips flat head sms type-a 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | 6 x 1/2 sq dr ovalal a ss | inquire | 
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| Brikksen | FL | Self-Tapping Sheet Metal Screw (types a,b,ab) | 316, 317, A4 Stainless | Plain | #6 x 1/2 | #6 x 1/2 phillips ovalal head sms type-a 316 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| FasSpcMfg | FL | Set Screw (Socket Head) | Brass | Plain | 1/2-20 x 1/2 | 1/2-20 x 1/2 socket set flat point brass | 7 | 
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| FasSpcMfg | FL | Machine Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 slotted pan head machine screw hastelloy c 276 | 3 | 
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| FasSpcMfg | FL | Set Screw (Socket Head) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 socket set screw cup point hastelloy c 276 | 8 | 
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| FasSpcMfg | FL | Set Screw (Slotted Head) | 316, 317, A4 Stainless | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 slotted set cup point 316 stainless | 9 | 
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| FasSpcMfg | FL | Set Screw (Socket Head) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 socket set screw knurled point inconel 718 solution annealedhex skt 3/16 x 3/16across cup .212dim per dwg 100903992d | 5 | 
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40 x 1/2 ms slot/pan steel/zinc | 2870 | 
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| Alma Bolt | MI | Set Screw (Socket Head) | Plain | #10-24 x 1/2 | #10-24 x 1/2 | socket set screw cone point | 97 | 
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| Alma Bolt | MI | Set Screw (Socket Head) | Plain | #10-32 x 1/2 | #10-32 x 1/2 sae | socket set screw flat point | 65 | 
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| Alma Bolt | MI | Set Screw (Socket Head) | Plain | 1/2-20 x 1/2 | 1/2-20 x 1/2 sae | socket set screw flat point | 200 | 
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| Alma Bolt | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 x 1/2 | #12-24 x 1/2 stainless steel | button head torx security m/s | 100 | 
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| Alma Bolt | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 | st st ovalal phillips m/s | 17 | 
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| Alma Bolt | MI | Set Screw (Socket Head) | Plain | 7/16-14 x 1/2 | 7/16-14 x 1/2 | socket set screw cup point | 2066 | 
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| OneMonroe | MA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | 8 x 1/2 | 8x1/2 combo (phil/slot) ind hexwasher self tapping screw type-ab full thread zinc bake 8000/carton | 2950 | 
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | #10-32 x 1/2 | 10-32 x 1/2 slotted hex washer head ms w/serrations steel zinc | 2900 | 
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| OneMonroe | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 slottedpan m/s stainless | 70 | 
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| OneMonroe | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32x1/2 phillips flat machine screw fully threaded 18 8 stainless steel 3000/carton | 1432 | 
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | 3/8-16 x 1/2 | 3/8-16 x 1/2 slottedflat m/s pkg plated | 400 | 
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| OneMonroe | MA | Self-Tapping Self-Piercing Screw | Steel | Zinc/Clear | #10 x 1/2 | #10 x 1/2 zip screw (5/16 hex hd) | 1923 | 
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| OneMonroe | MA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Plain | #6 x 1/2 | #6 x 1/2 slottedhex wash s/m/s serrated waxed | 327200 | 
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | #12-24 x 1/2 | 12-24 x 1/2 phillips flat m/s plated | 100 | 
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| Empire | WA | Self-Tapping Self-Drilling Screw (Tek etc.) | Steel | Plain | #10-16 x 1/2 | 10-16x 1/2 pan phil drill sc | 7900 | 
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| Empire | WA | Wood Screw | Steel | Plain | #6 x 1/2 | #6 x 1/2 flat phil wood screw | 200 | 
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| Empire | WA | Machine Screw | Steel | Plain | #6-32 x 1/2 | 6-32 x 1/2 truss phil m/s | 475 | 
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| Empire | WA | Set Screw (Socket Head) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 soc set sc cup | 400 | 
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| Field Fas | IL | Set Screw (Socket Head) | Steel | Plain | 1/2-13 x 1/2 | 1/2-13 x 1/2 soc set cup pt stl pln | 1700 | 
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| Komar | IL | Self-Tapping Thread Rolling Screw | Steel | Zinc/Clear | #4 x 1/2 | #4 x 1/2 torx pan screw plastite 48-2 zinc | 
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| Raw Produ | NJ | Machine Screw | 316, 317, A4 Stainless | Plain | #10-24 x 1/2 | hex trim head ms 316 ss #10-24 x 1/2 | 2356 | 
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| Raw Produ | NJ | Self-Tapping Self-Drilling Screw (Tek etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1/2 | phillips pan head self driller ultra stainless #8 x 1/2 | 688 | 
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| Raw Produ | NJ | Sems Machine Screw | Steel | Zinc/Clear | #10-24 x 1/2 | phillips pan head sems screw with internal tooth lock washer zinc #10-24 x 1/2 | 4920 | 
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | phillips ovalal head ms 304 ss #8-32 x 1/2 | 1480 | 
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| Raw Produ | NJ | Self-Tapping Self-Drilling Screw (Tek etc.) | Steel | Painted | #8 x 1/2 | phillips wafer head w/self drilling point-unpainted-#8 x 1/2 | 500 | 
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| Raw Produ | NJ | Machine Screw | Brass | Plain | #2-56 x 1/2 | brass slotted round head ms #2-56 x 1/2 | 6888 | 
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| Raw Produ | NJ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | spanner pan head ms 304 ss #6-32 x 1/2 | 365 | 
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| Raw Produ | NJ | Sems Machine Screw | Steel | Zinc/Clear | #6-32 x 1/2 | phillips pan head sems screw with internal tooth lock washer zinc #6-32 x 1/2 | 13284 | 
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | phillips flat head ms 304 ss #10-32 x 1/2 | 2159 | 
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | hex trim head ms 304 ss #10-32 x 1/2 | 5641 | 
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| Raw Produ | NJ | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-15 x 1/2 | square drive flat head sms 18-8ss type-a #8-15 x 1/2 | 378 | 
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| Raw Produ | NJ | Self-Tapping Self-Drilling Screw (Tek etc.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #8-18 x 1/2 | hex washer head self drill 410 ss #8-18 x 1/2 | 11729 | 
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| Fastenerc | OH | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | 8 x 1/2 | 8 x 1/2 steel truss slottedsms-a zinc | 53630 | 
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| QCS | OR | Captive Panel Screw | Steel | Plain | #4-40 x 1/2 | 4-40x1/2 slotted captive panel screw plain raf electronic hardw | 250 | 
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| QCS | OR | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | #10 x 1/2 | 10x1/2 slotted pan s/m/s type-b zinc | 2500 | 
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| QCS | OR | Self-Tapping Thread Rolling Screw | Steel | Black Oxide | #8-32 x 1/2 | 8-32x1/2 phil flat type tfs black oxide rohs | 3657 | 
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| Accutite | CA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Nickel Plated | 3 x 1/2 | 3 x 1/2 phil truss type-ab steel nickel | 5500 | 
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| F. Solutions | OH | Machine Screw | Brass | Plain | #6-32 x 1/2 | slotted flat machine screw 6-32x1/2 brass | 1325 | 
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| Wurth Ind | IN | Self-Tapping Thread Rolling Screw | Steel | Zinc/Clear | #6-19 x 1/2 | pan head thread rolling screw for plastic st zn ph 6-19x1/2 steel zinc/clear | 1956427 | 
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| National | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24x1/2 pan slot m/s 18-855 | 1000 | 
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| WINA | MN | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | 4 x 1/2 | pan head type-b sheet metal screw st zn ph 4x1/2 | 407800 | 
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| WINA | MN | Self-Tapping Thread Cutting Screw (types f,1,23,25) | Aluminum | Plain | 10-24 x 1/2 | pan head type-23 thread cutting screw 18 8 ph 10-24x1/2 | 156311 | 
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| Mansco | MI | Set Screw (Socket Head) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 soc set scr cup pt pln 10/bag | 75 | 
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| Mansco | MI | Self-Tapping Thread Rolling Screw | Steel | Zinc/Clear | 10-24 x 1/2 pan phil tri-lobe metal tf scr triv znc | 317098 | 
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| Mansco | MI | Self-Tapping Thread Rolling Screw | Steel | Nickel Plated | #10-32 x 1/2 | 10-32x1/2 indented hex washer unslotted tri-lobe metal tf scr nickel plate & bake | 3490 | 
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| Mansco | MI | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1/2 pan 6-lobe m/s blk znc w/precote 80 | 11295 | 
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| Mansco | MI | Machine Screw | Steel | Zinc/Black | #10-32 x 1/2 | indented hex washer unslotted m/s triv blk znc w/dog pt w/serr | 4400 | 
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| Mansco | MI | Self-Tapping Thread Cutting Screw (types f,1,23,25) | Steel | Zinc/Clear | #8-32 x 1/2 | 8-32x1/2 pan phil type-f metal tc scr triv znc | 2900 | 
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| Mansco | MI | Self-Tapping Thread Rolling Screw | Steel | Plain | 6-32 x 1/2 pan 6-lobe tri-lobe metal tf scr w/ps 8955 ni c20 gray | 19927 | 
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| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #10-32 x 1/2 | 10-32x1/2 flat phil m/s 18-8 s/s passivated | 7500 | 
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 phil pan ms ss () () | 1713 | 
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 8-32x1/2 phil oval ms ss () () | 5059 | 
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| AFI | FL | Self-Tapping Thread Rolling Screw | Steel | Zinc/Clear | #8-32 x 1/2 | 8-32x1/2 phil pan thread rolling screwst zn () () | 8000 | 
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| Global Fa | TX | Captive Panel Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | #10-32 x 1/2 | #10-32x1/2 ss soc/cap captive-panel screw | 10 | 
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| Olander | CA | Machine Screw | Brass | Plain | 3-48 x 1/2 slot rd br pln | 136 | 
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| Olander | CA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | 8-18 x 1/2 slot truss t-ab stl zn | 69 | 
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| Olander | CA | Set Screw (Socket Head) | Steel | Cadmium | 832 x 1/2 soc set cup pt ms alloy cad | 7 | 
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 632 x 1/2 phil pan ss blk | 413 | 
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| Olander | CA | Self-Tapping Thread Cutting Screw (types f,1,23,25) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 8-32 x 1/2 phil pan type-f 410 sst | 1383 | 
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| Olander | CA | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/2 soc set cup pt sst rohs | 311 | 
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| Olander | CA | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 6-20 x 1/2 phil pan t-b sst rohs | 64 | 
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| Olander | CA | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 10-32 x 1/2 soc set nyl tip sst rohs | 11 | 
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| Olander | CA | Thumb Screw (Plain) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8-32 x 1/2 tl 7/16 thumb scr ss | 6 | 
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| Olander | CA | Machine Screw | Steel | Zinc/Clear | 2-56 x 1/2 phil flat stl blk rohs | 22 | 
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| Olander | CA | Set Screw (Socket Head) | Steel | Plain | #5-40 x 1/2 | 5-40 x 1/2 soc set cup pt alloy () () | 2001 | 
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| Olander | CA | Sems Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | 6-32 x 1/2 ph pan dbl sem sl/fw sst rohs () () | 7010 | 
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| Olander | CA | Machine Screw | Brass | Plain | #10-24 x 1/2 | 10-24 x 1/2 slot pan hd br pln () () | 1134 | 
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| Komar | IL | Machine Screw | Steel | Zinc/Yellow | #8-32 x 1/2 | 8-32x1/2 slotted round machine screw zinc yellow | 4101 | 
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| Scrooscoop | CA | Self-Tapping Self-Piercing Screw | 400 Stainless (405, 410,416,420,430 etc.) | Painted | #8-15 x 1/2 | #8-15 x 1/2 self-piercing screws, 1/4 indented hex washer head unslotted, twin lead, full thread, sharp point, 410 stainless dacro 1000hr, head painted cream | 22,974 | 
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| Scrooscoop | CA | Self-Tapping Self-Piercing Screw | Steel | Painted | #8-15 x 1/2 | #8-15 x 1/2 self-piercing screws, 1/4 indented hex washer head slotted, twin lead, full thread, sharp point, steel zinc pltd, head painted white | 9,261,409 | 
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| Scrooscoop | CA | Self-Tapping Self-Piercing Screw | Steel | Painted | #8-15 x 1/2 | #8-15 x 1/2 self-piercing screws, 1/4 tall indented hex washer head unslotted, twin lead, full thread, sharp point, steel cer white 1000hr, head painted regal blue | 10,000 | 
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| Scrooscoop | CA | Self-Tapping Self-Piercing Screw | Steel | Zinc/Clear | #10-12 x 1/2 | #10-12x1/2 self-piercing screw 1/4 tall indented hex wide washer(.400 od) head slotted twin lead full thread sharp point carbon steel zinc plated | 125,996 | 
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| Scrooscoop | CA | Self-Tapping Self-Piercing Screw | Steel | Painted | #8-15 x 1/2 | #8-15 x 1/2 self-piercing screws, 1/4 indented hex washer head slotted, twin lead, full thread, sharp point, steel zinc pltd, head painted grecian green | 204,910 | 
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| F. Solutions | OH | Set Screw (Socket Head) | Steel | Plain | 5/8-11 x 1/2 | cup point set screw 5/8-11x1/2 alloy | 108 | 
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| F. Solutions | OH | Machine Screw | Steel | Plain | #8-32 x 1/2 | slotted flat machine screw 8-32x1/2 c276 cleaned & degreased | 158 | 
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| 3Q, Inc. | IL | Self-Tapping Self-Drilling Screw (Tek etc.) | Steel | Zinc/Clear | #10-16 x 1/2 | #10-16x1/2 square drive pan head painted black self drilling screw steel zinc b18.6.1 | 85700 | 
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| 3Q, Inc. | IL | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Clear | #6-20 x 1/2 | #6-20x1/2 square drive pan head painted black type-ab sheet metal screw steel zinc b18.6.4 | 169063 | 
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| QCS | OR | Wood Screw | Steel | Zinc/Clear | #4 x 1/2 | 4x1/2 phil flat wood screw zinc | 9000 | 
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| Hodell | OH | Machine Screw | Steel | Plain | #10-24 x 1/2 | 10-24x1/2 unslotted indented hxm/s b633 ty i s/c 2 | 9903 | 
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| Arden | WI | Wood Screw | Steel | Plain | #10 x 1/2 | 10x1/2 slotted hwh tya w/serr | inquire | 
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| Arden | WI | Machine Screw | Steel | Plain | #8-32 x 1/2 | 832x1/2 phillips pn ms 10c | inquire | 
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| Arden | WI | Machine Screw | 400 Stainless (405, 410,416,420,430 etc.) | Black Oxide | 1 x 1/2 | 1420x1/2 unslotted hwh tapr blk | inquire | 
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| Arden | WI | Set Screw (Socket Head) | Steel | Black Oxide | 1220 x 1/2 | 1220x1/2 hxsoc set cup blk | inquire | 
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| Arden | WI | Wing Screw | 400 Stainless (405, 410,416,420,430 etc.) | Zinc/Clear | 1 x 1/2 | 1420x1/2 wing sc diecast zc | inquire | 
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| Arden | WI | Machine Screw | Steel | Plain | #10-32 x 1/2 | 1032x1/2 slotted hwh ty1 green | inquire | 
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| Arden | WI | Set Screw (Socket Head) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1 x 1/2 | 1420x1/2 hex socket set cup 11 | inquire | 
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| Arden | WI | Machine Screw | Steel | Plain | #10-32 x 1/2 | 1032x1/2 slotted hwh | inquire | 
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| ASFCORP | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 phil flt hd mach scw ss pkg | 100 | 
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| THRDFAST | MS | Set Screw (Socket Head) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 18-8 ss socket set cup pt b18.3 | 40 | 
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| THRDFAST | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1/2 | 18-8 ss phil flat m/s b18.6.3 | 50 | 
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| THRDFAST | MS | Self-Tapping Sheet Metal Screw (types a,b,ab) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 1/2 | 18-8 ss phil flat t/s b18.6.4 | 352 | 
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| THRDFAST | OK | Machine Screw | Steel | Zinc/Clear | #10-24 x 1/2 | slotted pan m/s b18.6.3 | 100 | 
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| Valley Nu | WA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Black | #8 x 1/2 | pan square drive sms zb | 3990 | 
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| Valley Nu | WA | Self-Tapping Sheet Metal Screw (types a,b,ab) | Steel | Zinc/Black | #6 x 1/2 | indented hwh slotted sms zb | 7797 | 
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| Lightning | LA | Set Screw (Socket Head) | Steel | Plain | 3/8-16 x 1/2 | socket set cup pt c276 | 625 | 
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| Lightning | LA | Set Screw (Socket Head) | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 1/2-13 x 1/2 | socket set cup point monel 400 | 7 | 
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