4 1/2 inch length Socket Cap Screws (ASME B18. 2.1)
Socket Head Cap Screws are typically used in machine parts, die fixturing, and clamping. Socket head cap screws have a flat faced, circular raised head with an indented hex socket. They can be fully or part threaded, are usually manufactured from high grade alloy steel. Dimensionally, metric socket head cap screws are covered by the relevant DIN, ISO or JIS standards, but US/Imperial socket head cap screws are covered by the ASME B18.2.1 and B18.3 specifications.
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | 1/2-13x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 75 |
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GLF | OH | Socket Head Cap Screw | Steel | Zinc/Clear | 1/2-13 x 4 1/2 | 1/2-13x4-1/2 shcs stl zc b18.2.1 b18.3 () () () | 20 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 8 |
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GLF | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 4 1/2 | 1/4-20x4-1/2 shcs 18-8 s/s b18.2.1 b18.3 () () () | 697 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | 3/8-16x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 150 |
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GLF | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18x4-1/2 shcs 18-8 s/s b18.2.1 b18.3 () () () | 71 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 84 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 7/16-14 x 4 1/2 | 7/16-14x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 35 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 41 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | 3/4-10x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 38 |
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GLF | OH | Socket Head Cap Screw | Steel | Zinc/Clear | 7/16-14 x 4 1/2 | 7/16-14x4-1/2 shcs stl zc b18.2.1 b18.3 () () () | 750 |
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GLF | OH | Socket Head Cap Screw | Steel | Plain | 1 1/4-7 x 4 1/2 | 1-1/4-7x4-1/2 shcs stl pln b18.2.1 b18.3 () () () | 8 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 326 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 175 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-24 x 4 1/2 | 5/16-24 x 4 1/2 inch soc cap screw alloy b18.2.1 b18.3 | 186 |
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Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 soc cap screw s/s b18.2.1 b18.3 | 36 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 150 |
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Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 soc cap screw s/s b18.2.1 b18.3 | 71 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 4 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 35 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 3/4-16 x 4 1/2 | 3/4-16 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 21 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 19 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | 3/4-10 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 26 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | 1-8 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 12 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1-14 x 4 1/2 | 1-14 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 1 |
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ASMC | IL | Socket Head Cap Screw | Steel | Plain | 9/16-18 x 4 1/2 | 9/16-18x4 1/2 (ft) fine socket hd cap screw alloy pln b18.2.1 b18.3 | 20 |
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ASMC | IL | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11x4 1/2 unc socket hd cap screw-usa alloy blox b18.2.1 b18.3 | 60 |
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ASMC | IL | Socket Head Cap Screw | Steel | Plain | 3/4-16 x 4 1/2 | (pt) fine socket hd c/s b18.2.1 b18.3 | 13 |
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ASMC | IL | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | (pt) coarse socket hd c/s nylon pellet b18.2.1 b18.3 | 2 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 25 |
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Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 soc cap screw s/s b18.2.1 b18.3 | 1 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 45 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 100 |
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Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 soc cap screw s/s b18.2.1 b18.3 | 15 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 100 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 30 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 30 |
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Ababa | CA | Socket Head Cap Screw | Steel | Plain | 3/4-16 x 4 1/2 | 3/4-16 x 4 1/2 soc cap screw alloy b18.2.1 b18.3 | 1 |
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Alma Bolt | MI | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 st. st. socket head cap screw b18.2.1 b18.3 | 750 |
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SII | IN | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 socket head cap screw b18.2.1 b18.3 | 400 |
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JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18x4-1/2 shcs p/t alloy steel black 581433 b18.2.1 b18.3 | 365 |
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Standard | MA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 4 1/2 | 5/8-11x4-1/2 socket cap screw 18-8 stainless steel b18.2.1 b18.3 | 414 |
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QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18x4 1/2 soc c/s alloy plain b18.2.1 b18.3 | 30 |
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QFC | TX | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | 1/2-13x4 1/2 soc c/s alloy plain b18.2.1 b18.3 | 53 |
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QFC | TX | Socket Head Cap Screw | Steel | Galvanized | 3/8-16 x 4 1/2 | 3/8-16x4 1/2 soc c/s mech galv b18.2.1 b18.3 | 185 |
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QFC | TX | Socket Head Cap Screw | Steel | Galvanized | 3/8-16 x 4 1/2 | 3/8-16x4 1/2 soc c/s mech galv b18.2.1 b18.3 | 175 |
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B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 socket cap screws b18.2.1 b18.3 | 25 |
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B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 socket cap screws b18.2.1 b18.3 | 20 |
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B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | 1-8 x 4 1/2 socket cap screws b18.2.1 b18.3 | 9 |
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B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 1 1/4-7 x 4 1/2 | 1 1/4-7 x 4 1/2 socket cap screws b18.2.1 b18.3 | 6 |
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B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 1 1/4-12 x 4 1/2 | 1 1/4-12 x 4 1/2 socket cap screws b18.2.1 b18.3 | 4 |
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B & K FAST | PA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 socket cap screws 18-8 ss b18.2.1 b18.3 | 15 |
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OSSCO | RI | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | 1-8x4 1/2 socket cap screw b18.2.1 b18.3 | 9 |
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OSSCO | RI | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | 3/4-10x4 1/2 socket cap screw blue devil b18.2.1 b18.3 | 5 |
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QFC | TX | Socket Head Cap Screw | Steel | Plain | #10-32 x 4 1/2 | 10/32x4 1/2 socket cap screw b18.2.1 b18.3 | 75 |
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QFC | TX | Socket Head Cap Screw | Steel | Zinc/Clear | 1/2-13 x 4 1/2 | 1/2-13x4 1/2 soc c/s alloy bright zinc b18.2.1 b18.3 | 4 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | #10-32 x 4 1/2 | 10-32 x 4 1/2 socket cap screw alloy b18.2.1 b18.3 | 100 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 socket cap screw alloy b18.2.1 b18.3 | 72 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 socket cap screw (usa mfg) alloy b18.2.1 b18.3 | 10 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4 1/2 socket cap screw (usa mfg) alloy b18.2.1 b18.3 | 10 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | 7/16-14 x 4 1/2 | 7/16-14 x 4 1/2 socket cap screw (usa mfg) alloy b18.2.1 b18.3 | 20 |
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Bostwick | IN | Socket Head Cap Screw | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4 1/2 socket cap screw alloy b18.2.1 b18.3 | 5 |
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JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | cap screw socket 1/420x4-1/2 alloy steel b18.2.1 b18.3 | 63 |
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NWFAST | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 socket head cap screw 18-8 stainless steel b18.2.1 b18.3 | 28 |
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JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | cap screw socket 3/410x4-1/2 alloy steel b18.2.1 b18.3 | 20 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | #10-24 x 4 1/2 | socket c/s b18.2.1 b18.3 | 1,224 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | socket c/s b18.2.1 b18.3 | 159 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | socket c/s b18.2.1 b18.3 | 40 |
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THRDFAST | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 4 1/2 | 18-8 ss socket c/s b18.2.1 b18.3 | 35 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | socket c/s b18.2.1 b18.3 | 22 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | socket c/s b18.2.1 b18.3 | 11 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | socket c/s b18.2.1 b18.3 | 4 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | socket c/s b18.2.1 b18.3 | 4 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | socket c/s b18.2.1 b18.3 | 22 |
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THRDFAST | FL | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | socket c/s b18.2.1 b18.3 | 17 |
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THRDFAST | OK | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 4 1/2 | t-316 ss socket c/s b18.2.1 b18.3 | 14 |
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THRDFAST | OK | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/4-10 x 4 1/2 | t-316 ss socket c/s b18.2.1 b18.3 | 11 |
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THRDFAST | TN | Socket Head Cap Screw | Steel | Plain | 7/16-14 x 4 1/2 | socket c/s b18.2.1 b18.3 | 25 |
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THRDFAST | MS | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | socket c/s b18.2.1 b18.3 | 8 |
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THRDFAST | MS | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | socket c/s b18.2.1 b18.3 | 50 |
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KBS | TN | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 soc capscrew b18.2.1 b18.3 | 1,830 |
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KBS | TN | Socket Head Cap Screw | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4 1/2 soc capscrew b18.2.1 b18.3 | 114 |
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THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | socket c/s b18.2.1 b18.3 | 117 |
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THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | 1/2-13 x 4 1/2 | socket c/s b18.2.1 b18.3 | 19 |
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THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | #10-24 x 4 1/2 | socket c/s b18.2.1 b18.3 | 60 |
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THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | 7/8-9 x 4 1/2 | socket c/s b18.2.1 b18.3 | 8 |
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THRDFAST | OK | Socket Head Cap Screw | Steel | Plain | 3/8-16 x 4 1/2 | socket c/s b18.2.1 b18.3 | 25 |
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THRDFAST | MS | Socket Head Cap Screw | Steel | Zinc/Clear | 3/4-10 x 4 1/2 | socket c/s b18.2.1 b18.3 | 3 |
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THRDFAST | MS | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | socket c/s b18.2.1 b18.3 | 7 |
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THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | socket c/s b18.2.1 b18.3 | 57 |
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THRDFAST | OK | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | socket c/s b18.2.1 b18.3 | 5 |
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THRDFAST | AL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 4 1/2 | 18-8 ss socket c/s b18.2.1 b18.3 | 5 |
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THRDFAST | MS | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | socket c/s b18.2.1 b18.3 | 6 |
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WSB | KY | Socket Head Cap Screw | Steel | Plain | 3/4-10 x 4 1/2 | cap screw hex soc ft all (pl) 3/4-10x4 1/2 b18.2.1 b18.3 | 151 |
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WSB | KY | Socket Head Cap Screw | ASTM A320 L7, L7M | Zinc/Clear | q/ cap screw hex soc l7 (zn) 1 1/2-6x4 1/2 b18.2.1 b18.3 | 2 |
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MMF | MI | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 shcs plain usa b18.2.1 b18.3 | 38 |
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MMF | MI | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 shcs plain usa b18.2.1 b18.3 | 38 |
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MMF | MI | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 shcs plain usa b18.2.1 b18.3 | 38 |
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MMF | MI | Socket Head Cap Screw | Steel | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 shcs plain usa b18.2.1 b18.3 | 38 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/4-7 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/4-8 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/4-12 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/2-8 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/2-6 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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Coburn Myers Fastening Systems | PA | Socket Head Cap Screw | Grade B7 | Plain | 1 1/2-12 x 4 1/2 | socket cap screw a193-b7 plain b18.2.1 b18.3 | 100 |
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All Size | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 socket head cap screw b18.2.1 b18.3 | 59 |
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All Size | TX | Socket Head Cap Screw | Steel | Plain | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 socket cap screw b18.2.1 b18.3 | 94 |
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All Size | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 socket head cap screw s/s b18.2.1 b18.3 | 59 |
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All Size | TX | Socket Head Cap Screw | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 socket head cap screw b18.2.1 b18.3 | 79 |
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All Size | TX | Socket Head Cap Screw | Steel | Plain | 5/16-24 x 4 1/2 | 5/16-24 x 4 1/2 socket head cap screw b18.2.1 b18.3 | 23 |
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All Size | TX | Socket Head Cap Screw | Steel | Plain | 1 1/2-6 x 4 1/2 | 1 1/2-6 x 4 1/2 socket head cap screw b18.2.1 b18.3 | 2 |
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All Size | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4-1/2 socket cap screw-ss b18.2.1 b18.3 | 5 |
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Davis | IL | Socket Head Cap Screw | Steel | Zinc/Black | 5/16-18 x 4 1/2 | 5/16-18 x 4-1/2 skt. cap screw-alloy black zinc 1-3/8 thread length b18.2.1 b18.3 | 200 |
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FACCA | Ont | Socket Head Cap Screw | Steel | Plain | 1-8 x 4 1/2 | hex socket cap screw 1960 series 1-8 unc x 4 1/2 alloy steel quenched & tempered plain finish ansi b18.3-1986 b18.2.1 b18.3 | 225 |
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