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1/2 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.
> 200 matches, . 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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 1/2 | slotted flat | 200 |
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| ISSCO | MO | Machine Screw | Steel | Cadmium | 1/2-20 x 7/8 | phillips flat | 5550 |
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| ISSCO | MO | Machine Screw | Steel | Cadmium | 1/2-20 x 7/8 | phillips flat patchlok | 2650 |
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| ISSCO | MO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 1/2 | slotted flat 18-8 stainless | 880 |
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| Buy Machine Screws from one of our FCH Network Members | ||||||||
| Delta | TX | Machine Screw | Steel | Plain | 1/2-20 x .375 | mach dog pt set scr alloy 1/2-20x.375 (SOC SET WITH DOG POINT; CSP-16 COATING; AS PER PRINT; COO-USA [ALSO SEE 59100-060-00001-00]) | 251 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3/4 | flat slotted | 50,000 |
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| Northern | MN | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3/4 | m/s flat slotted pk zc | 304 |
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| Buckeye | OH | Machine Screw | Steel | Plain | 1/2-13 x 3/4 | 1/2-13 x 3/4 mod rh screw | inquire |
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| MidStates | MI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3/4 | flat slotted undercut m/s znc | 3282 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3/4 | nc 18-8 ss flat slotted | 50 |
|
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3/4 | 18-8 ss slotted flat m/s b18.6.3 | 30 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3/4 | 1/2-13x3/4 slotted round head machine screw 18-8 s/s steel | 125 |
|
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3/4 | 1/2-13x3/4 slotted flat machine screw 18-8 ss | 46 |
|
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3/4 | 1/2-13x3/4 phil flat machine screw 18-8 ss | 10 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 7/8 | flat slotted | 600 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | slotted flat ms & clear chromate | 700 |
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| ACCURATE | IL | Machine Screw | Brass | Plain | 1/2-13 x 1 | flat slotted | 10,000 |
|
| Hayes | CA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 phil flat m/s zinc | 180 |
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| Hayes | CA | Machine Screw | Nylon (Polyamide) | Plain | 1/2-20 x 1 | 1/2-20 x 1 slotted flat 100 deg. nylon | 3 |
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| Hayes | CA | Machine Screw | Brass | Plain | 1/2-13 x 1 | 1/2-13 x 1 slotted flat m/s brass | 60 |
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| OSSCO | RI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x1 slotted round m/s plated b18.6.3 | 57 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x1 slotted round m/s zinc | 6 |
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| OneMonroe | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | 1/2-13 x 1 6-lobe button hd p/in m/s stainless | 14 |
|
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | nc 18-8 ss flat slotted | 2 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x1 slotted round m/s zinc | 6 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 slottedround m/s plated | 178 |
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| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | 18-8 ss slotted flat m/s b18.6.3 | 7 |
|
| Hewes | NY | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x 1 slot flat m/s | 12 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | phillips flat machine screw 1/2-13x1 18.8 ss | 3 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x1 slotted round m/s zinc | 6 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | nc 18-8 ss round slotted | 7 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 1 | thumb m/sw pattern | 74 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 1 | flat slotted | 188 |
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| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | 1/2-13x1 slotted flat machine screw 18-8 ss | 49 |
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| YANKEE | NH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 slotted flat m/s zinc pltd | 75 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13x1 slotted flat machine screw zinc | 272 |
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| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | 1/2-13x1 phil flat machine screw 18-8 ss | 10 |
|
| OneMonroe | NC | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 slotted round head zinc machine screw | 6 |
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| OneMonroe | NC | Machine Screw | Steel | Plain | 1/2-13 x 1 | 1/2-13 x 1 6-lobe button hd p/in m/s | 14 |
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| OneMonroe | NC | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 slottedround m/s plated | 178 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | slotted flat ms & clear chromate | 600 |
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| ACCURATE | IL | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 1 1/4 | flat slotted silbrz | 100 |
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| ACCURATE | IL | Machine Screw | Brass | Plain | 1/2-13 x 1 1/4 | flat slotted | 6,000 |
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| Northern | MN | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | m/s round slotted pk zc | 29 |
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| Hayes | CA | Machine Screw | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 slotted flat m/s monel | 3 |
|
| NAPPCO | TX | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | flat slotted m/s stl zinc 1/2-13x1-1/4 | 100 |
|
| OSSCO | RI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 slotted flat m/s plated b18.6.3 | 232 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13 x1 1/4 slotted flat machine screw mech galv | 13 |
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| THRDFAST | OK | Machine Screw | Steel | Galvanized | 1/2-13 x 1 1/4 | slotted flat m/s hdg b18.6.3 | 11 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 slot flat machine screw zinc | | 500 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | slotted flat machine screw 1/2-13x1-1/4 18.8 | 125 |
|
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 18-8 ss slotted flat m/s b18.6.3 | 97 |
|
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | nc 18-8 ss flat slotted | 4 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13 x1 1/4 slotted flat machine screw mech galv | 13 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 1 1/4 | slotted flat head ms silicon bronze 1/2-13 x 1-1/4 | 75 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13 x1 1/4 slotted flat machine screw hdg nc 50c125msfg | 202 |
|
| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 18-8 ss slotted flat m/s b18.6.3 | 5 |
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| THRDFAST | MS | Machine Screw | Brass | Plain | 1/2-13 x 1 1/4 | slotted flat m/s b18.6.3 | 6 |
|
| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13 x1 1/4 slotted flat machine screw hdg nc 50c125msfg | 286 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 slot flat sst rohs | 14 |
| |
| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 1 1/4 | flat slotted | 379 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | slotted flat m/s | 1600 |
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| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 slotted flat machine screw 18-8 ss | 50 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 slotted round machine screw zinc | 50 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 slotted flat machine screw zinc | 305 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | slotted flat ms & clear chromate | 500 |
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| ACCURATE | IL | Machine Screw | Brass | Plain | 1/2-13 x 1 1/2 | flat slotted | 10,000 |
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| SeattleNB | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 | phil flat ms 18-8 ss | 1640 |
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| Hayes | CA | Machine Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 1 1/2 | 1/2-13 x 1 1/2 slotted flat m/s 316ss | 4 |
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| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat ms stl zinc | 500 |
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| OSSCO | RI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat m/s 18-8 304 b18.6.3 | 20 |
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| Hodell | OH | Machine Screw | Steel | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw | 94 |
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| Century | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 slotted flat hd 18-8 | 85 |
| |
| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw zinc | 48 |
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| Hodell | OH | Machine Screw | Steel | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw | 94 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw zinc | 48 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 | 1/2-13x1-1/2 slotted flat head machine screw 18-8 s/s steel | 238 |
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| THRDFAST | FL | Machine Screw | Brass | Plain | 1/2-13 x 1 1/2 | slotted round m/s b18.6.3 | 19 |
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| MidStates | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 | 1/2-13 x 1-1/2 pan hd slot m/s 18-8 | 1600 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 1 1/2 | slotted flat head ms silicon bronze 1/2-13 x 1-1/2 | 75 |
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| THRDFAST | AL | Machine Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 1 1/2 | t-316 ss slotted flat m/s b18.6.3 | 5 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw zinc | 48 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 1 1/2 | flat slotted | 212 |
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| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw 18-8 ss | 50 |
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| YANKEE | NH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13 x 1 1/2 slotted flat m/s zinc pltd | 15 |
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| YANKEE | NH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13 x 1 1/2 slotted round m/s zinc pltd | 5 |
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| Weaver | WA | Machine Screw | Brass | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw brass | 20 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 slotted flat machine screw zinc | 400 |
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| MidStates | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 slotted flat m/s 18-8 | 2 |
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| Hayes | CA | Machine Screw | Brass | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 slotted flat m/s brass | 18 |
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| Hayes | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 slotted round m/s 18-8ss | 56 |
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| Wurth Ind | D.F. | Machine Screw | Steel | Zinc/Yellow | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 slot flat m/s yz | - |
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| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 18-8 ss slotted flat m/s b18.6.3 | 9 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 3/4 | 1/2-13 x1 3/4 slotted flat machine screw hdg nc 50c175msfg | 6 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | slotted flat machine screw 1/2-13x1-3/4 18.8 | 75 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 1 3/4 | 1/2-13 x1 3/4 slotted flat machine screw hdg nc 50c175msfg | 6 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 slot flat sst rohs () () | 46 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | nc 18-8 ss flat slotted | 14 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 1 3/4 | flat slotted | 152 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | slotted flat ms & clear chromate | 400 |
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| SeattleNB | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | phil flat ms 18-8 ss | 1190 |
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| Hayes | CA | Machine Screw | Steel | Galvanized | 1/2-13 x 2 | 1/2-13 x 2 slotted flat m/s hdg | 19 |
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| OSSCO | RI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | 1/2-13x2 slotted flat m/s 18-8 304 b18.6.3 | 23 |
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| J&L | IN | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | 1/2-13 X 2 STAINLESS FLAT HD M/S SLOTTED b18.6.3 | 209 |
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| THRDFAST | OK | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | slotted flat m/s domestic b18.6.3 | 339 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | nc 18-8 ss flat slotted | 43 |
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| Fastener | OH | Machine Screw | Brass | Plain | 1/2-13 x 2 | phillips flat machine screw 1/2-13x2 brass | 6 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | 1/2-13x2 slotted round head machine screw 18-8 s/s steel | 50 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 2 | 1/2-13x2 slotted flat machine screw hot dip galv 50c200msfg | 300 |
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| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | slotted round m/s b18.6.3 | 39 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | 1/2-13x2 slotted flat machine screw zinc | 46 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | 1/2-13x2 slotted flat machine screw zinc | 46 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 | 1/2-13x2 slotted flat head machine screw 18-8 s/s steel | 395 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | 1/2-13x2 slotted flat machine screw zinc | 46 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 2 | flat slotted | 343 |
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| ACCURATE | IL | Machine Screw | Steel | Plain | 1/2-13 x 2 1/4 | fillister slotted | 100 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-20 x 2 1/4 | flat slotted | 500 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 1/4 | 1/2-13x2 1/4 slotted flat machine screw zinc | 300 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 1/2 | slotted flat ms & clear chromate | 300 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 1/2 | fillister slotted | 175 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 1/2 | round slotted | 800 |
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| SeattleNB | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | phil flat ms 18-8 ss | 930 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | 1/2-13x2-1/2 slotted flat head machine screw 18-8 s/s steel | 53 |
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| Fastener | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 1/2 | slotted flat head machine screw 1/2-13x2-1/2 zinc | 20 |
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| Fastener | OH | Machine Screw | Brass | Plain | 1/2-13 x 2 1/2 | slotted flat machine screw1/2-13x2-1/2 brass | 3 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | nc 18-8 ss flat slotted | 9 |
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| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | 1/2-13x2 1/2 slotted flat machine screw 18-8 ss | 50 |
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| American | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | 1/2-13 x 2-1/2 phillip flat machine screw stainless steel | 32 |
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| ACCURATE | IL | Machine Screw | Steel | Plain | 1/2-13 x 2 3/4 | fillister slotted | 50 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | slotted flat ms & clear chromate | 250 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | round slotted | 1,000 |
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| ACCURATE | IL | Machine Screw | Steel | Plain | 1/2-13 x 3 | flat slotted | 500 |
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| Northern | MN | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | m/s flat slotted pk zc | 64 |
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| Northern | MN | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | m/s round slotted | 311 |
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| Northern | MN | Machine Screw | Steel | Plain | 1/2-13 x 3 | m/s flat slotted stain | 8 |
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| SeattleNB | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | phil flat ms 18-8 ss | 825 |
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| Hayes | CA | Machine Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13 x 3 slotted round m/s pln | 20 |
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| GUIDON | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 3 | slotted flat head | 3,000 |
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| BHAM | AL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | 1/2-13x3 round slotted m/s zinc b18.6.3 | 8 |
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| THRDFAST | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 18-8 ss slotted round m/s b18.6.3 | 9 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13x3 slotted flat head machine screw 18-8 s/s steel | 575 |
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| Standard | MA | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 3 | 1/2-13x3 slotted flat head machine screw silicon bronze | 795 |
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| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | slotted round m/s b18.6.3 | 6 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 3 | flat slotted | 253 |
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| Alma Bolt | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | st. st. flat slotted | 246 |
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| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 | 1/2-13x3 slotted round machine screw zinc | 75 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 1/2 | slotted flat ms & clear chromate | 200 |
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| THRDFAST | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 1/2 | 18-8 ss slotted flat m/s b18.6.3 | 10 |
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| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 1/2 | 1/2-13x3-1/2 flat slotted m/s 18-8 s/s | 116 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 1/2 | 1/2-13x3-1/2 slotted flat head machine screw 18-8 s/s steel | 707 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 3 1/2 | flat slotted | 300 |
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| Jackson | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 1/2 | flat slotted m/s 18-8 304 fully threaded | 6 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 4 | slotted flat ms & clear chromate | 180 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 4 | round slotted | 100 |
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| SeattleNB | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 | phil flat ms 18-8 ss | 520 |
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| OSSCO | RI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 4 | 1/2-13x4 slotted round m/s plated b18.6.3 | 2 |
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| Standard | MA | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 4 | 1/2-13x4 slotted flat head machine screw silicon bronze | 1316 |
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| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 | 1/2-13x4 flat slotted m/s 18-8 s/s | 50 |
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| Standard | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 | 1/2-13x4 slotted flat head machine screw 18-8 s/s steel | 334 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Yellow | 1/2-13 x 4 | 1/2-13 x 4 slottedflat m/s yellow zn | 689 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/2-13 x 4 | round slotted | 237 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 4 | slotted round full/thrd ms | 38 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 4 1/2 | slotted flat ms & clear chromate | 150 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 5 | slotted flat ms & clear chromate | 150 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/2-13 x 5 | nc round slotted zb | 28 |
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| Hodell | OH | Machine Screw | Steel | Galvanized | 1/2-13 x 5 | 1/2-13x5 slotted flat machine screw hdg () | 237 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | slotted round ms & clear chromate | 100 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | slotted flat ms & clear chromate | 120 |
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| ACCURATE | IL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | round slotted | 100 |
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| Northern | MN | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | m/s round slotted | 825 |
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| OSSCO | RI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | 1/2-13x6 slotted round m/s plated b18.6.3 | 21 |
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| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | slotted round m/s b18.6.3 | 5 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/2-13 x 6 | nc round slotted zb | 75 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | 1/2-13x6 slotted round m/s zinc 50c600msrz | 17 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | 1/2-13x6 slotted round m/s zinc 50c600msrz | 17 |
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| Hodell | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | 1/2-13x6 slotted round m/s zinc 50c600msrz | 17 |
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| American | NY | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 6 | slotted flat plate | 22 |
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| Hayes | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 9 | 1/2-13 x 9 slotted flat m/s 18-8ss | 6 |
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| American | WI | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 2 | 1/2-13x2 nc slotted flat hd m/s zinc | 483 |
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| American | WI | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 2 | 1/2-13x2 nc slotted flat hd m/s sil-bronze | 152 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 8 | slotted flat head ms silicon bronze 1/2-13 x 8 | 500 |
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| OneMonroe | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | stainless steel torx pan head screws 8-32 thread size 1/2 long | 550 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 4 | slotted flat head ms silicon bronze 1/2-13 x 4 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 2 1/2 | slotted flat head ms silicon bronze 1/2-13 x 2-1/2 | 500 |
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| Century | NY | Machine Screw | Steel | Black Oxide | 082616 3 ring black ring binder 1/2 in | 3 |
| |
| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 12 | slotted flat head ms silicon bronze 1/2-13 x 12 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 3 | slotted flat head ms silicon bronze 1/2-13 x 3 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 5 1/2 | slotted flat head ms silicon bronze 1/2-13 x 5-1/2 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 6 | slotted flat head ms silicon bronze 1/2-13 x 6 | 500 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 int l/w ms sst | 287 |
| |
| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 7 | slotted flat head ms silicon bronze 1/2-13 x 7 | 500 |
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| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/2-13 x 3 1/2 | 1/2-13x3-1/2 (flat) slotted flat82 machine screw steel zinc plated | 100 |
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| American | WI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13x3 nc slotted round hd m/s #18-8 ss | 76 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 5 | slotted flat head ms silicon bronze 1/2-13 x 5 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 4 1/2 | slotted flat head ms silicon bronze 1/2-13 x 4-1/2 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 3 1/2 | slotted flat head ms silicon bronze 1/2-13 x 3-1/2 | 500 |
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| Arden | WI | Machine Screw | Steel | Zinc/Yellow | 1/2 | 5618 1/2 slotted round ms zy | inquire |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 2 | slotted flat head ms silicon bronze 1/2-13 x 2 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 9 | slotted flat head ms silicon bronze 1/2-13 x 9 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 1/2-13 x 10 | slotted flat head ms silicon bronze 1/2-13 x 10 | 500 |
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| OneMonroe | MA | Machine Screw | Nylon (Polyamide) | Black Oxide | 1/2 | 82 degree nylon flat head slottedmachine screw black 6-32 thread 1/2 length | 1700 |
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| Raw Produ | NJ | Machine Screw | Brass | Plain | 1/2-13 x 2 1/2 | brass slotted flat head machine screw 1/2-13 x 2-1/2 | 125 |
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| Ababa | CA | Machine Screw | Steel | Plain | 1/2 | 1/2 countersink 82 deg b18.6.3 | 4 |
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| Ababa | CA | Machine Screw | Steel | Plain | 1/2 | 1/2 countersink 82 deg b18.6.3 | 2 |
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