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#4 Machine Screws
Machine Screws are uniformly threaded screws which are designed to be screwed into pre-drilled, pre-threaded holes, or in conjunction with a nut, usually with a diameter less than 1/4inch. Larger diameter machine screws with a hex head are usually referred to as machine bolts.
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| Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit isscoinc.com | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| ISSCO | MO | Machine Screw | Brass | Plain | #4-48 x 1 1/4 | slotted flat | 1600 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | #4-36 x 3/4 | slotted round | 2800 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | #4-36 x 1/2 | slotted flat | 3300 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | #4-36 x 5/8 | slotted flat | 28600 |
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| Buy Machine Screws from one of our FCH Network Members | ||||||||
| Century | NY | Machine Screw | Brass | Plain | #4-40 x 3/32 | 4-40x3/32 slotted pan hd-ms brass bright dip | 42011 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/8 slot bind sst rohs | 482 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40x1/8 phil pan ms ss () () | 4860 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | ms51957-11 | 35294 |
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| ASFCORP | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 phil pan hd mach scw ss pkg | 1,000 |
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| Century | NY | Machine Screw | Steel | Cadmium | 4-40 x 1/8 slot pan m/s stl cad | 1000 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-48 x 1/8 | nf round slotted zb | 461 |
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| THRDFAST | AL | Machine Screw | Brass | Plain | #4-40 x 1/8 | slotted round m/s b18.6.3 | 686 |
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| Century | NY | Machine Screw | Brass | Nickel | electro switch 2-1522-105 4-40 x .156 slotted pan hd m/s brass nickel plate per cms-348-6 | 1000 |
| |
| EASTERN SCREW | RI | Machine Screw | Steel | Zinc/Yellow | #4-40 x 5/32 | 4-40 x 5/32 slotted fillister steel zinc yellow | 4100 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 4-40 x 3/16 phillips pan hd steel zinc plt with nylon patch | 2102 |
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| THRDFAST | AL | Machine Screw | Brass | Plain | #4-40 x 3/16 | slotted round m/s b18.6.3 | 1300 |
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| Century | NY | Machine Screw | Brass | Plain | 4-48 x 3/16 phil pan brass m/s ni pl | 2390 |
| |
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | screw 4-40 x .188 p p ss w/vibra-tite screw 4-40 x .188 p p ss w/vibratite | 4000 |
| |
| MAINSOURC | NH | Machine Screw | Brass | Plain | #4-40 x 3/16 | slotted pan m/s | 1000 |
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| QCS | OR | Machine Screw | Steel | Black Oxide | #4-40 x 3/16 | 4-40x3/16 phil flat 100 deg. m/s black oxide | 1565 |
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| Hodell | OH | Machine Screw | Steel | Nickel | #4-40 x 3/16 | 4-40x3/16 slotted fill m/s brite nickel | 710 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | ms35233-12 | 22000 |
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| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 phillips flat ms 100 18-8 1-PXM-4C-18 b18.6.3 | 3073 |
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| Bossard | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3/16 ph pan hd m/s w/int s/s | 2380 |
| |
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3/16 slot flat u/c sst rohs | 901 |
| |
| Komar | IL | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40x3/16 phil pan machine screw zinc | 1788 |
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| Komar | IL | Machine Screw | Steel | Black Oxide | #4-40 x 3/16 | 4-40x3/16 phil flat undercut mach scr black ox | 3000 |
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| Delta | TX | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | ind hex m/s 18-8 sst | 230 |
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| Bossard | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3/16 ph pan hd m/s s/s ms51957-12 | 8921 |
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| Olander | CA | Machine Screw | Brass | Plain | 4-40 x 3/16 slot fill br pln | 525 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 4-40 x 3/16 slotted fillister hd-ms stl zinc plt | 1500 |
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| Century | NY | Machine Screw | Steel | Black Oxide | #4-40 x 3/16 | 4-40x3/16 phillips 100dg flt.hd-ms steel black ox | 15000 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 4-40 x 3/16 phillips pan hd 18-8 black ox | 900 |
| |
| AFI | FL | Machine Screw | Nylon (Polyamide) | Plain | #4-40 x 3/16 | 4-40x3/16 slot round ms nylon () | 1000 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-36 x 3/16 | round slotted zb | 219 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 phil flat uc ss () () | 877 |
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| JET FITTING | CA | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40x3/16 phillips flat82 undercut machine screw steel zinc 4C03PF8MS SZ b18.6.3 | 3198 |
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| Century | NY | Machine Screw | Steel | Plain | #4-40 x 1/4 | nas1635-04-4 | 6696 |
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| Century | NY | Machine Screw | Steel | Plain | nas1191e04p4l machine screw self locking ph flat head 4-40 x 1/4 ss strip locking element | 1 |
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| Century | NY | Machine Screw | Steel | Zinc/Black | #4-40 x 1/4 | 4-40x1/4 phil pan m/s steel zinc black | 9500 |
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| Olander | CA | Machine Screw | Brass | Plain | 4-40 x 1/4 ph pan br pln | 180 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 4-40 x 1/4 phillips 100dg flat hd steel zinc plt | 1000 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 torx pan ms ss () () | 6223 |
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| JET FITTING | CA | Machine Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 phillips flat ms stl zi 586055 b18.6.3 | 56363 |
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| Olander | CA | Machine Screw | Steel | Black Oxide | 4-40 x 1/4 phil flat u/c stl blk oxide | 15 |
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| Olander | CA | Machine Screw | Steel | Cadmium | 4-40 x 1/4 phil pan ms stl cad 2 | 781 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | msfp188#04c004ssnp base part ms51959-13 with nylon patch 82 deg phil pf 4-40x1/4 | 520 |
| |
| Empire | WA | Machine Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat hd phil m/s | 44493 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | ms51959-13 | 13128 |
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| Olander | CA | Machine Screw | Steel | Plain | 4-40 x 1/4 slot rd nyl | 745 |
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| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4 x 1/4 | 4x1/4 phil flat 100 deg. s/m/s type-ab zinc | 5151 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Black | #4-40 x 1/4 | 4-40x1/4 phil flat 100 deg ss blk zn () () | 7530 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/4 slot flat vnt sst rohs | 25 |
| |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40x1/4 slt truss ms st zn () () | 4175 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 4-40 x 1/4 slotted pan hd steel zinc plt | 444 |
| |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 phil pan ms ss vibratite () () | 6350 |
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| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 phillips flat undercut ms 18-8 1-PFM-4C-25 b18.6.3 | 171 |
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| AFI | FL | Machine Screw | Steel | Plain | #4-40 x 1/4 | slotted pan ms nylon 4/40 x 1/4 () | 3485 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40x1/4 phil flat undercut stl znc w/patch () | 5000 |
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| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40x1/4 slotted pan m/s zinc | 300 |
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| SWACO | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | #4-40x1/4 ms phillips oval a2 (18-8) | 2005 |
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| ASFCORP | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 sltd flt hd mach scw ss pkg | 442 |
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| Arden | WI | Machine Screw | Steel | Plain | #4-40 x 1/4 | 440x1/4 slotted hex ms | inquire |
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| Century | FL | Machine Screw | Steel | Plain | #4-40 x .250 | nas1189e04p4b | 782 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 t-8 6-lobe flat m/s stainless | 2102 |
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| Empire | WA | Machine Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat phil m/s 100 | 213 |
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| QCS | OR | Machine Screw | Steel | Black Oxide | #4-40 x 1/4 | 4-40x1/4 phil truss m/s blk ox | 9690 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 5/16 | 4-40x5/16 torx pan ms st zn () () | 592 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 phil pan m/s stainless patched | 1008 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-40 x 5/16 | nc flat slotted zb | 400 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | phillips fillister m/s 4-40x5/16 18.8 | 47 |
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| Century | NY | Machine Screw | Steel | Black Oxide | #4-40 x 5/16 | 4-40x5/16 phillips flat m/s steel black oxide | 7000 |
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| Global Fa | TX | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | #4-40x5/16 ss phil/pan m/svibratite | 8600 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 5/16 | 4-40x5/16 phillips pan head pa 18-8 passivated | 20221 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 5/16 | 4-40x5/16 phil flat ms st zn rohs () () | 12250 |
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| Olander | CA | Machine Screw | Steel | Cadmium/Yellow | 4-40 x 5/16 phil flat 100 dg alloy cadii | 12 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 phil flat 100 deg ms ss () | 1140 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 slotted flat m/s 18-8 dfars | 20250 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 5/16 | 4-40x5/16 torx pan m/s stainless bo | 700 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 5/16 phillips flat hd u/c-ms 18-8 | 21 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 5/16 phillips 100dg flat hd 18-8 | 1834 |
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| Olander | CA | Machine Screw | Steel | Plain | 4-40 x 5/16 slot pan hd nyl | 1995 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | an500ad4-5 superceded by ms35275-214 | 2500 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phil pan ms ss () () | 11931 |
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| Fastener | OH | Machine Screw | Nylon (Polyamide) | Plain | #4-40 x 3/8 | slotted round machine screw 4-40x3/8 nylon | 400 |
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| QCS | OR | Machine Screw | Nylon (Polyamide) | Plain | #4-40 x 3/8 | 4-40x3/8 slotted flat m/s nylon essentra | 1000 |
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| Olander | CA | Machine Screw | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | #4-40 x 3/8 | 4-40 x 3/8 slot flat teflon () () | 41 |
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| Olander | CA | Machine Screw | Steel | Zinc/Clear | 4-40 x 3/8 phil oval stl blk rohs | 5180 |
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| Century | FL | Machine Screw | Steel | Plain | #4-40 x 3/8 | 4-40x3/8 unslotted indented hex ms stl zi 4-40x3/8 unslotted indented hex ms stl zi | 137636 |
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| Century | NY | Machine Screw | Steel | Zinc/Black | #4-40 x 3/8 | 4-40x3/8 phillips flat undercut machine screw steel black zinc rohs compliant | 6000 |
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| Olander | CA | Machine Screw | Steel | Plain | 4-40 x 3/8 slot bind nyl | 274 |
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| Arden | WI | Machine Screw | Steel | Black Oxide | #4-40 x 3/8 | 440x3/8 phillips oval ms blk | inquire |
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| Parker | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 3/8 | 4-40x3/8 indented hex mach screw-asme b18.6.3 .375 thread 18-8 s/s 304l anld passivate per aesjo-c-112-375-ej7-ln-1 made in u.s.a. | 900 |
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| Bossard | AZ | Machine Screw | Steel | Zinc/Clear | 4-40 x 3/8 ph pan hd w/ext stl zinc | 885 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/8 | 4-40x3/8 phill pan m/s steel zinc rohs compliant | 168553 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/8 | 4-40x3/8 phil flat 100 deg st zn rohs () () | 18710 |
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| Irwin Ind | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 pan phil m/s in 18.8 s/s with yellow nylon patch b18.6.3 | 5000 |
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| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phillips flat ms 100 18-8 1-PXM-4C-37 b18.6.3 | 4418 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phillips truss hd-ms 18-8 | 13085 |
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| QCS | OR | Machine Screw | Nylon (Polyamide) | Plain | #4-40 x 3/8 | 4-40x3/8 slotted pan m/s nylon natural essentra | 500 |
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| Parker | AZ | Machine Screw | Steel | Passivated | #4-40 x 3/8 | 4-40x3/8 cross recess pan head 304l anld passivate per aesf5-c-112-375-ej7-ln-1 made in u.s.a. | 5100 |
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| Arden | WI | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/8 | 440x3/8 slotted pn ms zc | inquire |
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| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 trim hh ms 18-8 1-TH-4C-37 b18.6.3 | 200 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phil pan ms ss () | 2410 |
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| Hewes | NY | Machine Screw | Steel | Zinc/Black | #4-40 x 3/8 | 4-40x 3/8 slot pan m/s | 4090 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phil pan m/s stainless | 841 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-40 x 3/8 | nc pan phil zb | 54 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3/8 phillips flat hd 18-8 | 381 |
| |
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 phil pan sst () () | 608 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-48 x 3/8 | nf round slotted zb | 1122 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 phil pan m/s ss nyseal nylok of137cr440r6p | 25 |
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| Irwin Ind | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 3/8 | 4-40x3/8 pan phillips machine screw s/s passivated b18.6.3 | 5000 |
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| NAPPCO | TX | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 3/8 | 4-40x3/8 phillips pan m/s 18-8 ss 304ss MS51957-15 (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) (600-SPECIAL CUSTOMER PRODUCTS) | 2000 |
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| Fastener | OH | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/8 | phillips flat machine screw 4-40x3/8 low carbon steel zinc | 4800 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 7/16 phil flat 100 dg ms ss | 1485 |
| |
| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 7/16 | ms51959-16 4-40 x 7/16 ft m/s 304ss MS51959-16 b18.6.3 | 210 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 440 x 7/16 phil pan ss | 18 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 7/16 phillips 100dg flat hd 18-8 | 500 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 4-40 x 7/16 phil flat head m/s stl zinc | 4879 |
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| Century | NY | Machine Screw | Brass | Plain | 4-40 x 7/16 slotted binding hd brass nick brt | 1300 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | phillips fillister machine screw 4-40x7/16 18.8 | 206 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | nc 18-8 ss pan phil | 200 |
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| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40 x 7/16 phil flat ms ss () | 1150 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 7/16 phillips fillister hd-ms18-8 | 500 |
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| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40x7/16 phil pan m/s stainless | 92 |
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| Parker | AZ | Machine Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Passivated | #4-40 x 7/16 | 4-40 x 7/16 fillister head mach screw 6-lobe fully threaded a286 super aloy passivate per nas 4003 NAS5311E04-7 made in u.s.a. | 3000 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 440 x 7/16 phil pan ss blk | 111 |
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| Century | NY | Machine Screw | Steel | Plain | 4-40 x 7/16 slotted pan hd | 2674 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 4-40 x 7/16 phillips flat hd 18-8 black oxide | 50 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 7/16 | phillips pan machine screw 4-40 x 7/16 ss ms51957 304ss MS51957-16 | 6 |
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| Standard | MA | Machine Screw | Brass | Plain | #4-40 x 1/2 | 4-40x1/2 phillips flat head machine screw brass | 308 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/2 phil flat 100 dg ms ss black | 19 |
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| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | slotted round m/s b18.6.3 | 188 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 slotted 100dg flt.hd-ms 18-8 | 5900 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | #4-40 x 1/2 | nc round slotted zb | 200 |
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| QCS | OR | Machine Screw | Steel | Black Oxide | #4-40 x 1/2 | 4-40x1/2 phil flat 100 deg. m/s black oxide wax | 189186 |
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| Olander | CA | Machine Screw | 316, 317, A4 Stainless | Zinc/Clear | 4-40 x 1/2 ph pan 316 sst rohs | 2645 |
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| ASFCORP | MI | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40 x 1/2 phil flt hd mach scw tri zn fe/zn 5an | 13,500 |
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| Century | NY | Machine Screw | Steel | Cadmium/Yellow | nas600-8p screw machine pan head cruciform recess full thread 4/40 x 1/2 long. alloy steel 4140 cadii per qq-p-416 type ii cl 2 | 62 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/2 phil pan ss reduced dia shank | 3 |
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| Arden | WI | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 440x1/2 phillips pn ms zc | inquire |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 slot oval sst rohs () () | 1744 |
|
| Komar | MO | Machine Screw | Steel | Black Oxide | #4-40 x 1/2 | phil flat black ox | 70000 |
|
| Scheinert | NJ | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40x1/2 pan phillips m/s zinc clear | 13185 |
|
| 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 |
|
| Century | NY | Machine Screw | Brass | Plain | 4-40 x 1/2 slotted round hd brass nick brt | 200 |
| |
| THRDFAST | AL | Machine Screw | Brass | Plain | #4-40 x 1/2 | slotted round m/s b18.6.3 | 208 |
|
| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40x1/2 phil pan m/s zinc | 1000 |
|
| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 phil pan m/s stainless | 325 |
|
| Century | NY | Machine Screw | Steel | Plain | 4-40 x 1/2 slotted flat hd | 1540 |
| |
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 torx pan machine screw 18-8 patch-lok | 19509 |
|
| JET FITTING | CA | Machine Screw | Brass | Plain | #4-40 x 1/2 | 4-40x1/2 phillips flat ms brass b18.6.3 | 1400 |
|
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | ms51957-120b black oxide | 200 |
| |
| Century | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 9/16 | ametek l0104-w rev w ms51957-120 with nylon patch per mil-dtl-18240 304ss | 87 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40x9/16 phil flat 100 deg sst rohs blk | 450 |
| |
| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | 4-40x9/16 phil flat m/s stainless | 1038 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 440 x 5/8 phil flat u/c ss () () | 4321 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 5/8 phil pan ms sst black | 250 |
| |
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 18-8 ss phil flat m/s b18.6.3 | 11 |
|
| Delta | TX | Machine Screw | Steel | Black Oxide | #4-40 x 5/8 | phil pan m/s black oxide 4-40x5/8 | 1775 |
|
| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4-40 x 5/8 | 4-40x5/8 pozi pan m/s zinc | 155006 |
|
| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 phil pan m/s stainless | 232 |
|
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | nc 18-8 ss fillister slotted mach | 92 |
|
| JET FITTING | CA | Machine Screw | Steel | Zinc/Clear | #4-40 x 5/8 | #4-40x5/8 ms flat phillips zn 586069 b18.6.3 | 1418 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 5/8 slot pan sst | 7178 |
| |
| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 11/16 | 4-40x11/16 phil pan m/s ss patched nylok 4-40x11/16 phil pan m/s stainless patch | 3986 |
|
| Century | NY | Machine Screw | Steel | Plain | ms35198-18 screw 4-40 x 3/4 phil flt head machine screw brass blk ox plated | 60 |
| |
| Empire | WA | Machine Screw | Steel | Plain | #4-40 x 3/4 | 4-40 x 3/4 pan phil m/s | 2000 |
|
| Olander | CA | Machine Screw | Steel | Zinc/Clear | #4-40 x 3/4 | 4-40 x 3/4 slot pan hd stl blk rohs () () | 850 |
|
| Bossard | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | screw phil pan hd ext ms51896-5 | 2 |
| |
| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4 x 3/4 | 4x3/4 phil flat 100 deg. s/m/s type-ab zinc | 1950 |
|
| Arden | WI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 440x3/4 phillips pn ms 18-8ss | inquire |
|
| QCS | OR | Machine Screw | Steel | Black Oxide | #4-40 x 3/4 | 4-40x3/4 phil truss m/s black oxide wax | 9000 |
|
| QCS | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 7/8 | 4-40 x 7/8 phil pan m/s ss ms51957-20 304ss | 400 |
|
| Century | NY | Machine Screw | Brass | Plain | carleton # 1124-030 4-40 x 7/8 slot rnd head brass cut to length per print | 7 |
| |
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | 4-40x7/8 phillips pan 18-8 | 11252 |
|
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | ms51957-20 screw machine(pnh x-rec) 0.112-40 x .88 cres | 47280 |
|
| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | 4-40x7/8 phillips pn ms 18-8 1-PPM-4C-87 b18.6.3 | 1240 |
|
| AFI | FL | Machine Screw | Steel | Zinc/Clear | #4-40 x 7/8 | 4-40x7/8 phil flat m/s steel zinc () () | 11400 |
|
| Century | NY | Machine Screw | Steel | Plain | 4-40 x .935/.905 phillips flat hd steel | 1795 |
| |
| QCS | OR | Machine Screw | Steel | Zinc/Clear | #4-40 x 1 | 4-40x1 phil flat m/s zinc | 300 |
|
| JET FITTING | CA | Machine Screw | Brass | Plain | #4-40 x 1 | 4-40x1 slotted round machine screw brass plain 116177 b18.6.3 | 100 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1 slot pan hd sst rohs | 3700 |
| |
| JET FITTING | CA | Machine Screw | Steel | Zinc/Clear | #4-40 x 1 | 4-40x1 phillips pn ms stl zinc 587081 b18.6.3 | 5533 |
|
| NAPPCO | TX | Machine Screw | Steel | Zinc/Clear | #4-40 x 1 | rd slotted m/s steel zinc pltd 4-40x1 (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) (8-MACHINE SCREWS - SLOTTED) | 100 |
|
| Century | NY | Machine Screw | Steel | Plain | screw ph m/s #4-40 x 1.00 lg black | 2250 |
| |
| QCS | OR | Machine Screw | Steel | Nickel | #4-40 x 1 | 4-40x1 phil pan m/s nickel | 8823 |
|
| Century | FL | Machine Screw | Steel | Plain | #4-40 x 1 | screw phillips 4-40x1.00 lg black | 12000 |
|
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1 phil flat 100 dg ms ss black | 100 |
| |
| Irwin Ind | Ont | Machine Screw | Steel | Zinc/Clear | #4-40 x 1 | 4-40x1 pan slotted m/s zinc b18.6.3 | 500 |
|
| Arden | WI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | 440x1 1/4 slotted fil ms 18-8ss | inquire |
|
| AFI | FL | Machine Screw | Nylon (Polyamide) | Plain | #4-40 x 1 1/4 | 4-40 x 1-1/4 slt round m/s nylon () | 972 |
|
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1 1/4 phil flt 100dg 18-8 | 50 |
| |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 1 1/4 | 4-40x1-1/4 phil flt 100deg ms ss blk ox () () | 1850 |
|
| Komar | IL | Machine Screw | Steel | Zinc/Clear | #4-40 x 1 1/2 | 4-40x1 1/2 phil round machine screw zinc | 18000 |
|
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1 1/2 phillips flat hd 18-8 | 500 |
| |
| Century | NY | Machine Screw | Brass | Plain | 4-40 x 1 1/2 slotted pan hd-ms brass | 400 |
| |
| Century | NY | Machine Screw | Steel | Cadmium/Yellow | #4-40 x 1 3/4 | ms35206-223 | 13550 |
|
| JET FITTING | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 3/4 | #4-40x1 3/4 ms phillips pan a2 (18-8) 773252 b18.6.3 | 500 |
|
| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 2 1/4 | 4/40x2-1/4 phillips pan head machine screw 18-8 s/s steel | 6050 |
|
| Olander | CA | Machine Screw | Phosphor Bronze | Plain | 4 int l/w ms phos bronze plain | 145 |
| |
| Century | NY | Machine Screw | Steel | Cadmium/Yellow | ms35207-224 screw machine | 20 |
| |
| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1 3/4 phil pan 18-8 s/s 18-8 | 700 |
| |
| Century | NY | Machine Screw | Steel | Zinc/Clear | null |
| ||
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