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3 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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Search Results Sponsored by Parker Fasteners, your source for Socket Head Cap Screws. For more results, visit   www.parkerfasteners.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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Irwin IndOntSocket Head Cap ScrewSteelZinc/Black1/2-13 x 3 1/21/2-13 x 3-1/2 socket capscrew steel zinc trivalent black b18.2.1 b18.3195
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GLFOHSocket Head Cap ScrewSteelPlain1 1/2-6 x 3 1/21-1/2-6x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()53
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GLFOHSocket Head Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()97
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GLFOHSocket Head Cap ScrewSteelPlain1-8 x 3 1/21-8x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()29
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GLFOHSocket Head Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()117
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GLFOHSocket Head Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()68
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GLFOHSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()481
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GLFOHSocket Head Cap ScrewSteelPlain5/8-11 x 3 1/25/8-11x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()129
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GLFOHSocket Head Cap ScrewSteelPlain7/16-14 x 3 1/27/16-14x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()50
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16x3-1/2 shcs 18-8 s/s b18.2.1 b18.3 () () ()75
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18x3-1/2 shcs 18-8 s/s b18.2.1 b18.3 () () ()73
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GLFOHSocket Head Cap ScrewSteelZinc/Clear3/8-16 x 3 1/23/8-16x3-1/2 shcs stl zc b18.2.1 b18.3 () () ()35
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GLFOHSocket Head Cap ScrewSteelZinc/Clear1/2-13 x 3 1/21/2-13x3-1/2 shcs stl zc b18.2.1 b18.3 () () ()90
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GLFOHSocket Head Cap ScrewSteelPlain1 1/4-7 x 3 1/21-1/4-7x3-1/2 shcs stl pln b18.2.1 b18.3 () () ()29
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AbabaCASocket Head Cap ScrewSteelPlain1-8 x 3 1/21-8 x 3 1/2 soc cap screw alloy b18.2.1 b18.339
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AbabaCASocket Head Cap ScrewSteelPlain#10-24 x 3 1/210-24 x 3 1/2 soc cap screw alloy b18.2.1 b18.3493
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AbabaCASocket Head Cap ScrewSteelPlain#10-32 x 3 1/210-32 x 3 1/2 soc cap screw alloy b18.2.1 b18.341
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20 x 3 1/2 soc cap screw s/s b18.2.1 b18.3100
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AbabaCASocket Head Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20 x 3 1/2 soc cap screw alloy b18.2.1 b18.3225
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AbabaCASocket Head Cap ScrewSteelPlain1/4-28 x 3 1/21/4-28 x 3 1/2 soc cap screw alloy b18.2.1 b18.3100
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18 x 3 1/2 soc cap screw s/s b18.2.1 b18.3115
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 soc cap screw alloy b18.2.1 b18.3202
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AbabaCASocket Head Cap ScrewSteelPlain5/16-24 x 3 1/25/16-24 x 3 1/2 soc cap screw alloy b18.2.1 b18.3162
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16 x 3 1/2 soc cap screw s/s b18.2.1 b18.3115
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AbabaCASocket Head Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16 x 3 1/2 soc cap screw alloy b18.2.1 b18.330
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AbabaCASocket Head Cap ScrewSteelZinc/Clear3/8-16 x 3 1/23/8-16 x 3 1/2 soc cap screw alloy znc b18.2.1 b18.3100
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AbabaCASocket Head Cap ScrewSteelPlain3/8-24 x 3 1/23/8-24 x 3 1/2 soc cap screw alloy b18.2.1 b18.316
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13 x 3 1/2 soc cap screw s/s b18.2.1 b18.366
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AbabaCASocket Head Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 soc cap screw alloy b18.2.1 b18.395
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AbabaCASocket Head Cap ScrewSteelPlain1/2-20 x 3 1/21/2-20 x 3 1/2 soc cap screw alloy b18.2.1 b18.36
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AbabaCASocket Head Cap ScrewSteelPlain5/8-11 x 3 1/25/8-11 x 3 1/2 soc cap screw alloy b18.2.1 b18.377
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AbabaCASocket Head Cap ScrewSteelPlain5/8-18 x 3 1/25/8-18 x 3 1/2 soc cap screw alloy b18.2.1 b18.355
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AbabaCASocket Head Cap ScrewSteelPlain3/4-10 x 3 1/23/4-10 x 3 1/2 soc cap screw alloy b18.2.1 b18.360
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AbabaCASocket Head Cap ScrewSteelPlain7/8-9 x 3 1/27/8-9 x 3 1/2 soc cap screw alloy b18.2.1 b18.34
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SIIINSocket Head Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20x3-1/2 shcs plain) b18.2.1 b18.3450
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SIIINSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18x3-1/2 shcs plain) b18.2.1 b18.3196
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SIIINSocket Head Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16x3-1/2 shcs plain) b18.2.1 b18.3100
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SIIINSocket Head Cap ScrewSteelPlain#10-32 x 3 1/2#10-32x3 1/2 (pt) socket head cap screws fine alloy thermal black oxide b18.2.1 b18.3300
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QFCTXSocket Head Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16x3 1/2 soc c/s alloy plain b18.2.1 b18.313
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QFCTXSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18x3-1/2 soc c/s 18-8 b18.2.1 b18.36
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QFCTXSocket Head Cap ScrewSteelZinc/Clear3/8-16 x 3 1/23/8-16x3 1/2 socket c/s alloy zinc b18.2.1 b18.3132
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QFCTXSocket Head Cap ScrewSteelZinc/Clear1/2-13 x 3 1/21/2-13x3 1/2 soc c/s alloy zinc b18.2.1 b18.339
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B & K FASTPASocket Head Cap ScrewSteelPlain#10-24 x 3 1/210/24 x 3 1/2 socket cap screws b18.2.1 b18.395
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B & K FASTPASocket Head Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20 x 3 1/2 socket cap screws b18.2.1 b18.3257
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B & K FASTPASocket Head Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 socket cap screws b18.2.1 b18.370
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B & K FASTPASocket Head Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 socket cap screws torx drive b18.2.1 b18.34
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B & K FASTPASocket Head Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16 x 3 1/2 socket cap screws b18.2.1 b18.31745
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B & K FASTPASocket Head Cap ScrewSteelPlain1/2-20 x 3 1/21/2-20 x 3 1/2 socket cap screws b18.2.1 b18.3112
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B & K FASTPASocket Head Cap ScrewSteelPlain5/8-11 x 3 1/25/8-11 x 3 1/2 socket cap screws b18.2.1 b18.362
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B & K FASTPASocket Head Cap ScrewSteelPlain5/8-18 x 3 1/25/8-18 x 3 1/2 socket cap screws b18.2.1 b18.39
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B & K FASTPASocket Head Cap ScrewSteelPlain3/4-10 x 3 1/23/4-10 x 3 1/2 socket cap screws b18.2.1 b18.338
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B & K FASTPASocket Head Cap ScrewSteelPlain7/8-9 x 3 1/27/8-9 x 3 1/2 socket cap screws b18.2.1 b18.342
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B & K FASTPASocket Head Cap ScrewSteelPlain1-8 x 3 1/21-8 x 3 1/2 socket cap screws b18.2.1 b18.341
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B & K FASTPASocket Head Cap ScrewSteelPlain1 1/2-12 x 3 1/21 1/2-12 x 3 1/2 socket cap screws unbrako b18.2.1 b18.31
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B & K FASTPASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20 x 3 1/2 socket cap screw 18-8 stainless b18.2.1 b18.397
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B & K FASTPASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16 x 3 1/2 socket cap screws 18-8 ss b18.2.1 b18.329
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JET FITTINGCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/1624 x 3 1/2cap screw socket 5/1624x3-1/2 stainless steel b18.2.1 b18.3245
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JET FITTINGCASocket Head Cap ScrewSteelPlain3/4-16 x 3 1/2cap screw socket 3/416x3-1/2 alloy steel b18.2.1 b18.313
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JET FITTINGCASocket Head Cap ScrewSteelPlain3/8-16 x 3 1/2cap screw socket 3/816x3-1/2 alloy steel b18.2.1 b18.3193
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THRDFASTFLSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/2socket c/s b18.2.1 b18.357
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THRDFASTFLSocket Head Cap ScrewSteelPlain#10-24 x 3 1/2socket c/s b18.2.1 b18.336
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THRDFASTFLSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,3 10 etc.)Plain1/4-20 x 3 1/218-8 ss socket c/s b18.2.1 b18.336
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THRDFASTFLSocket Head Cap ScrewSteelPlain3/4-10 x 3 1/2socket c/s b18.2.1 b18.343
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THRDFASTFLSocket Head Cap ScrewSteelPlain5/8-11 x 3 1/2socket c/s b18.2.1 b18.325
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THRDFASTFLSocket Head Cap ScrewSteelPlain1-8 x 3 1/2socket c/s b18.2.1 b18.325
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THRDFASTFLSocket Head Cap ScrewSteelPlain7/8-9 x 3 1/2socket c/s b18.2.1 b18.34
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THRDFASTFLSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/218-8 ss socket c/s b18.2.1 b18.31
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THRDFASTFLSocket Head Cap ScrewSteelPlain3/4-10 x 3 1/2socket c/s b18.2.1 b18.375
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THRDFASTFLSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/218-8 ss socket c/s b18.2.1 b18.338
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THRDFASTFLSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 3 1/218-8 ss socket c/s b18.2.1 b18.311
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