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3 inch length Flat Head Cap Screws (ASME B18. 2.1)
Flat Head Socket Cap Screws are designed to be seated in countersunk holes, and align flush with the surface of the assembly when installed. Flat head socket cap screws have a flat top surface, an indented hex and a conical bearing surface with a head angle of 82°. Flat head socket cap screws are commonly used in machine parts, die fixturing, and clamping.
95 results, (click on any line for more information)
| Buy Flat Head Cap Screws from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13x3 flat stl pln b18.2.1 b18.3 () () () | 44 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 3 | 7/8-9x3 flat stl pln b18.2.1 b18.3 () () () | 3 |
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| GLF | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20x3 flat stl 18-8 s/s b18.2.1 b18.3 () () () | 643 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 3/4-10 x 3 | 3/4-10x3 flat stl zc b18.2.1 b18.3 () () () | 114 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 3 | 1-8x3 flat stl pln b18.2.1 b18.3 () () () | 80 |
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| BHAM | AL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 3 | 5/8-11x3 flat soc cap scr 300 ser ss b18.2.1 b18.3 | 200 |
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| BHAM | AL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | 3/4-10x3 flat soc cap scr b18.2.1 b18.3 | 8 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | 5/8-11x3 flat stl pln b18.2.1 b18.3 () () () | 45 |
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| BHAM | AL | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 3 | 1/2-13x3 flat hdsoc cap 316 s/s b18.2.1 b18.3 | 75 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 3 | 5/16-18x3 flat stl pln b18.2.1 b18.3 () () () | 647 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 1/2-13 x 3 | 1/2-13x3 flat stl zc b18.2.1 b18.3 () () () | 147 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20 x 3 flt soc cap s/s b18.2.1 b18.3 | 240 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 3 | 1/4-20 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 742 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 146 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 3 | 5/16-18 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 3/8-16 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 89 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | 3/8-16 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 85 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 119 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 65 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-20 x 3 | 1/2-20 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 16 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | 5/8-11 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 95 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | 3/4-10 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 49 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3 | 10-24 x 3 flt soc cap s/s b18.2.1 b18.3 | 150 |
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| ASMC | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13x3 coarse socket flat hd cap screw ss18-8 b18.2.1 b18.3 | 100 |
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| ASMC | IL | Flat Head Socket Cap Screw | Steel | Plain | #10-32 x 3 | #10-32x3 (pt) fine socket flat hd cap screw alloy pln b18.2.1 b18.3 | 75 |
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| ASMC | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20x3 coarse socket flat hd cap screw ss18-8 b18.2.1 b18.3 | 50 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20 x 3 flt soc cap s/s b18.2.1 b18.3 | 25 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 3 | 1/4-20 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 75 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 25 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 3/8-16 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 40 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 5 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 20 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | 5/8-11 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 15 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13x3 fhscs) b18.2.1 b18.3 | 50 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3 | 1/4-20x3 flat hex socket stainless steel 316 plain 063087 b18.2.1 b18.3 | 75 |
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| Standard | MA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18x3 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3 | 3095 |
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| Standard | MA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13x3 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3 | 426 |
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| Standard | MA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #10-32 x 3 | 10-32x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.3 | -390 |
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| Standard | MA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3 | 1/4-20x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.3 | 870 |
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| Standard | MA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3 | 5/16-18x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.3 | 2966 |
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| Standard | MA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 3 | 1/2-13x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.3 | 1105 |
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| Standard | MA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 3 | 5/8-11x3 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3 | 48 |
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| QFC | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 3/8-16x3 flat head soc cap screw 18-8 s/s b18.2.1 b18.3 | 6 |
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| QFC | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20x3 flat head hex socket cap 18-8 ss domestic b18.2.1 b18.3 | 60 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 5/16-18 x 3 | 5/16-18x3 flat s/c alloy zinc b18.2.1 b18.3 | 200 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 1/2-13 x 3 | 1/2-13x3 flat soc c/s alloy zinc b18.2.1 b18.3 | 11 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 3 | 5/16-18 x 3 torx flat fl0or screws b18.2.1 b18.3 | 600 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | 3/8-16 x 3 flat hd socket cap screws b18.2.1 b18.3 | 352 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat hd socket cap screws b18.2.1 b18.3 | 150 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | 5/8-11 x 3 flat hd socket cap screws b18.2.1 b18.3 | 82 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | 3/4-10 x 3 flat hd socket cap screws b18.2.1 b18.3 | 60 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 3 | 7/8-9 x 3 flat hd socket cap screws b18.2.1 b18.3 | 30 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 3 | 1-8 x 3 flat hd socket cap screws b18.2.1 b18.3 | 42 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 1/4-20 x 3 flat socket cap screws 18-8 ss b18.2.1 b18.3 | 126 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat socket cap screws 18-8 ss b18.2.1 b18.3 | 16 |
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| General F | MI | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | 5/8-11x3 flat soc b18.2.1 b18.3 | 200 |
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| General F | MI | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | 3/8-16x3 flat soc es-0408 finish b18.2.1 b18.3 | 920 |
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| OSSCO | RI | Flat Head Socket Cap Screw | Steel | Plain | #10-32 x 3 | 10-32x3 flat soc cap screw b18.2.1 b18.3 | 184 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | 3/8-16x3 flat soc c/s alloy plain b18.2.1 b18.3 | 60 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 3 | 7/8-9x3 flat soc c/s alloy plain b18.2.1 b18.3 | 20 |
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| QFC | TX | Flat Head Socket Ca p Screw | Steel | Plain | 1/2-13 x 3 | 1/2-13x3 flat soc c/s plain b18.2.1 b18.3 | 58 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Zinc/Clear | #10-32 x 3 | 10-32x3/8 flat s/c alloy zinc b18.2.1 b18.3 | 154 |
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| Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | 3/4-10 x 3 flat soc cap screw (usa mfg) alloy b18.2.1 b18.3 | 20 |
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| Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 19 |
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| Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 1/4-28 x 3 | 1/4-28 x 3 flat soc cap screw alloy b18.2.1 b18.3 | 50 |
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| Bostwick | IN | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3 | 1/4-20 x 3 flat soc cap screw 316 stainless b18.2.1 b18.3 | 12 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/220 x 3 | cap screw flat socket 1/220x3 alloy steel b18.2.1 b18.3 | 75 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3 | cap screw flat hex socket 1/4-20x3 stainless steel 316 b18.2.1 b18.3 | 75 |
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| Wurth | Ont | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | scr flt soc alloy 3/8-16x3 b18.2.1 b18.3 | 25 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | cap screw flat socket 1/213x3 alloy steel # r b18.2.1 b18.3 | 22 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 3 | flat socket c/s b18.2.1 b18.3 | 68 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 3 | flat socket c/s b18.2.1 b18.3 | 31 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | flat socket c/s b18.2.1 b18.3 | 28 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | flat socket c/s b18.2.1 b18.3 domestic | 11 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 3 | flat socket c/s b18.2.1 b18.3 | 2 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | flat socket c/s b18.2.1 b18.3 | 1 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 18-8 ss flat socket c/s b18.2.1 b18.3 | 1 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 7/16-14 x 3 | flat socket c/s b18.2.1 b18.3 | 2 |
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| THRDFAST | TN | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | flat socket c/s b18.2.1 b18.3 | 70 |
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| THRDFAST | TN | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | flat socket c/s b18.2.1 b18.3 | 36 |
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| THRDFAST | MS | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 3 | flat socket c/s b18.2.1 b18.3 | 2 |
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| KBS | TN | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 3/8-16 x 3 | 3/8-16 x 3 flat soc cap screw plated b18.2.1 b18.3 | 188 |
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| KBS | TN | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 | 1/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.3 | 34 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | flat socket c/s b18.2.1 b18.3 | 90 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | flat socket c/s b18.2.1 b18.3 | 29 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 3 | flat socket c/s b18.2.1 b18.3 | 65 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 3 | flat socket c/s b18.2.1 b18.3 | 47 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 3 | flat socket c/s b18.2.1 b18.3 | 7 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 18-8 ss flat socket c/s b18.2.1 b18.3 | 6 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 18-8 ss flat socket c/s b18.2.1 b18.3 | 6 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 3 | flat socket c/s b18.2.1 b18.3 | 29 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | screw flat soc alloy 3/8-16x3 b18.2.1 b18.3 | 5,801 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 3 | screw flat soc alloy 3/8-16x3 b18.2.1 b18.3 | 2,100 |
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| All Size | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3 | 3/8-16 x 3 flat head socket cap screw-18-8 stainless b18.2.1 b18.3 | 1 |
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| FACCA | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 1/4-20 x 3 | thread-cutting screw sq socket flat head type f 1/4-20 unc x 3 long low carb steel case hard zinc pl b18.2.1 b18.3 | 3,300 |
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