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5/16 Machine Screws (ASME B18. 6.3)
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.
Machine Screw (b18.6.3), showing 200, (click on any line for more information)
| Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit isscoinc.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Machine Screws from one of our FCH Network Members | ||||||||
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 phil truss m/s stl zc b18.6.3 () () () | 450 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18x1 slotted flat m/s 18-8 s/s b18.6.3 () () () | 5 |
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| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 slotted flat m/s stl zc b18.6.3 () () () | 185 |
|
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 phil flat m/s stl zc b18.6.3 () () () | 350 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18x3 phil truss m/s 18-8 s/s b18.6.3 () () () | 308 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 phil flat m/s 18-8 s/s b18.6.3 () () () | 370 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18x1 phil flat m/s 18-8 s/s b18.6.3 () () () | 1405 |
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| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18x1-1/4 phil flat m/s stl zc b18.6.3 () () () | 45 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 phil flat m/s 18-8 s/s b18.6.3 () () () | 45 |
|
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18x3 phil flat m/s 18-8 s/s b18.6.3 () () | 50 |
|
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 phil oval m/s 18-8 s/s b18.6.3 () () () | 95 |
|
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 phil pan m/s stl zc b18.6.3 () () () | 101 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 phillips-flat head-machine screw-18-8ss b18.6.3 () () () | 71 |
|
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 phillips-pan head-machine screw-zinc-cr3 b18.6.3 () () () | 1710 |
|
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16-24 x 1 1/20 | 5/16-24 x 1-1/2 phil flat 100 deg m/s 18-8 s/s 304ss MS24693C324 b18.6.3 () () () | 42 |
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| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 slotted-truss head-machine screw-zinc rohs b18.6.3 () () () | 4028 |
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| Irwin Ind | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 1 | 5/16 x 1 flat phillips machine screw 18.8 stainless steel b18.6.3 | 800 |
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| Irwin Ind | Ont | Machine Screw | Brass | Plain | 5/16-18 | 5/16-18 unc hex machine screw brass b18.6.3 | 300 |
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| GLF | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 phil pan m/s stl zc b18.6.3 () () () | 208 |
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| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18x2-1/4 slotted round m/s 18-8 s/s b18.6.3 () () () | 285 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 p-flat m/s s/s b18.6.3 | 250 |
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| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 p-flat m/s stl znc b18.6.3 | 170 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 p-pan m/s s/s b18.6.3 | 575 |
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| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 phil-pan mach screw stl znc b18.6.3 | 1400 |
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| Ababa | CA | Machine Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18 x 1 s-flat m/s stl pln b18.6.3 | 2000 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 p-flat m/s s/s b18.6.3 | 199 |
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| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 p-flat m/s stl znc b18.6.3 | 1100 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 p-pan m/s s/s b18.6.3 | 30 |
|
| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 p-flat m/s s/s b18.6.3 | 170 |
|
| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 p-flat m/s stl znc b18.6.3 | 25 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 p-pan m/s s/s b18.6.3 | 158 |
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| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 phil-pan mach screw stl znc b18.6.3 | 275 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 p-truss m/s s/s b18.6.3 | 100 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 p-flat m/s s/s b18.6.3 | 250 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18 x 2 p-flat m/s s/s b18.6.3 | 150 |
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| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 p-flat m/s stl znc b18.6.3 | 395 |
|
| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18 x 2 p-pan m/s s/s b18.6.3 | 200 |
|
| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 p-pan m/s s/s b18.6.3 | 291 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 p-flat m/s s/s b18.6.3 | 175 |
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| Ababa | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 s-rnd m/s partial thread s/s b18.6.3 | 246 |
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| SII | IN | Machine Screw | Steel | Plain | 5/16 | 5/16 machine screw michigan drill-110289) b18.6.3 | 12 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18x4-1/2 phillips flat head machine screw 18-8 stainless steel b18.6.3 | 4548 |
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| Standard | MA | Machine Screw | Brass | Plain | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 slotted flat head machine screw brass b18.6.3 | 2881 |
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| Standard | MA | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 slotted flat head machine screw silicon bronze b18.6.3 | 2189 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 | 5/16-18x6 phillips flat head machine screw 18-8 stainless steel b18.6.3 | 13 |
|
| Standard | MA | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 3 | 5/16-18x3 slotted round head machine screw silicon bronze b18.6.3 | 955 |
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| Standard | MA | Machine Screw | Brass | Plain | 5/16-18 x 2 | 5/16-18x2 slotted flat head machine screw brass b18.6.3 | 1569 |
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| Standard | MA | Machine Screw | Brass | Plain | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 slotted flat head machine screw brass b18.6.3 | 1357 |
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| Standard | MA | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 phillips truss head machine screw 316 stainless steel b18.6.3 | 6143 |
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| Standard | MA | Machine Screw | Brass | Plain | 5/16-18 x 1 | 5/16-18x1 phillips flat head machine screw brass b18.6.3 | 3295 |
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| Standard | MA | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 2 | 5/16-18x2 phillips flat head machine screw 316 stainless steel b18.6.3 | 4778 |
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| Standard | MA | Machine Screw | Brass | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 phillips flat head machine screw brass b18.6.3 | 5802 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 hwh m/s serrated zinc b18.6.3 | 2995 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 slotted hex m/s type-23 zin b18.6.3 | 4938 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 slotted hex m/s type-23 zin b18.6.3 | 4005 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18x1 3/4 slotted hwh m/s type-f zinc b18.6.3 | 700 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3 1/2 | 5/16-18x3 1/2 phil flat m/s zinc b18.6.3 | 200 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 slotted round m/s zinc b18.6.3 | 920 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 slotted hwh m/s type-23 zinc b18.6.3 | 23215 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 slotted hwh m/s type-23 zinc b18.6.3 | 5600 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 unslotted indented hwh ms ft zin b18.6.3 | 1250 |
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| QFC | TX | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 unslotted indented hwh ms ft zin b18.6.3 | 1276 |
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| QFC | TX | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 phil pan m/s s/s b18.6.3 | 766 |
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| QFC | TX | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1/2 | 5/16-18x1/2 flat head slotted machine screw 316 stainless b18.6.3 | 86 |
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| B & K FAST | PA | Machine Screw | Aluminum | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 slotted flat machine screws alum b18.6.3 | 2 |
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| B & K FAST | PA | Machine Screw | Brass | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 slotted round machine screws brass b18.6.3 | 11 |
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| B & K FAST | PA | Machine Screw | Aluminum | Plain | 5/16-18 x 3 | 5/16-18 x 3 slotted round machine screws alum b18.6.3 | 80 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 phil flat machine screws zinc b18.6.3 | 200 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 5 | 5/16-18 x 5 phil flat machine screws zinc b18.6.3 | 250 |
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| B & K FAST | PA | Machine Screw | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 slotted flat machine screws plain b18.6.3 | 217 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 slotted flat machine screws zinc b18.6.3 | 189 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 slotted flat machine screws zinc b18.6.3 | 554 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 6 | 5/16-18 x 6 slotted flat machine screws zinc b18.6.3 | 296 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18 x 1/2 slotted truss machine screws serrated zinc b18.6.3 | 50 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 hwh unslotted machine screws zinc b18.6.3 | 10900 |
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| B & K FAST | PA | Machine Screw | Steel | Zinc/Clear | 5/16 x 3/4 | 5/16 x 3/4 hwh slotted s m s zinc b18.6.3 | 53 |
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| B & K FAST | PA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 phil flat machine screws 18-8 ss b18.6.3 | 892 |
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| B & K FAST | PA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 phil pan machine screws 18-8 ss b18.6.3 | 57 |
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| B & K FAST | PA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 phil truss machine screws ss b18.6.3 | 44 |
|
| B & K FAST | PA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 slotted truss machine screws ss b18.6.3 | 37 |
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| Wurth | Ont | Machine Screw | Steel | Zinc/Black | 5/16-18 x 3/4 | scr ms flat uc 82 st (bz) ph 5/16-18x3/4 b18.6.3 | 8000 |
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| Wurth | Ont | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 2 1/2 | scr ms round st (zn) slotted 5/16-18x2 1/2 b18.6.3 | 379 |
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| THRDFAST | FL | Machine Screw | Brass | Plain | 5/16-18 x 3/4 | slotted round m/s b18.6.3 | 4,524 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 18-8 ss slotted flat m/s b18.6.3 | 1,980 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | slotted round m/s b18.6.3 | 1,892 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | slotted flat m/s b18.6.3 | 474 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1/2 | slotted truss m/s b18.6.3 | 400 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3 | slotted round m/s b18.6.3 | 246 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | slotted truss m/s b18.6.3 | 245 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | 18-8 ss slotted round m/s b18.6.3 | 225 |
|
| THRDFAST | FL | Machine Screw | Brass | Plain | 5/16-18 x 1/2 | slotted round m/s b18.6.3 | 159 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 7/8 | phil round m/s b18.6.3 | 148 |
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| THRDFAST | FL | Machine Screw | Brass | Plain | 5/16-18 x 5/8 | slotted round m/s b18.6.3 | 123 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 18-8 ss phil flat m/s b18.6.3 | 136 |
|
| THRDFAST | FL | Machine Screw | Brass | Plain | 5/16-18 x 2 | slotted round m/s b18.6.3 | 106 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | slotted round m/s b18.6.3 | 96 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | slotted round m/s b18.6.3 | 126 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 18-8 ss phil round m/s b18.6.3 | 75 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 1/2 | slotted flat m/s b18.6.3 | 69 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | slotted flat m/s b18.6.3 | 67 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | slotted round m/s b18.6.3 | 67 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 18-8 ss slotted round m/s b18.6.3 | 58 |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 1 | slotted round head b18.6.3 | stock |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 3/4 | slotted round head b18.6.3 | stock |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 1 3/4 | slotted round head b18.6.3 | stock |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 2 | slotted round head b18.6.3 | stock |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 3 | slotted round head b18.6.3 | stock |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 1 | slotted flat head b18.6.3 | 12 |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 7/8 | slotted flat head b18.6.3 | 156 |
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| QFS | MI | Machine Screw | Brass | Plain | 5/16-18 x 2 1/4 | slotted flat head b18.6.3 | 600 |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | slotted flat head (18-8) b18.6.3 | stock |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | slotted flat head (18-8) b18.6.3 | stock |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | slotted pan head (18-8) b18.6.3 | stock |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | slotted pan head (18-8) b18.6.3 | stock |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | slotted pan head (18-8) b18.6.3 | stock |
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| QFS | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | slotted pan head (18-8) b18.6.3 | stock |
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