FCH News

5/16 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.

Flat Head Socket Cap Screw (b18.2.1), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18x7/8 flat 18-8 s/s b18.2.1 b18.3 () () ()516
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18x1 flat stl pln b18.2.1 b18.3 () () ()1586
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18x1 flat 18-8 s/s b18.2.1 b18.3 () () ()1314
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1/25/16-18x1/2 flat stl pln b18.2.1 b18.3 () () ()142
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18x1-1/4 flat stl pln b18.2.1 b18.3 () () ()34
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18x1-1/4 flat 18-8 s/s b18.2.1 b18.3 () () ()32
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 25/16-18x2 flat stl pln b18.2.1 b18.3 () () ()495
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18x2-1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()15
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18x3/4 flat stl pln b18.2.1 b18.3 () () ()416
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 flat 18-8 s/s b18.2.1 b18.3 () () ()194
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18x1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()137
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/45/16-18x2-1/4 flat 18-8 s/s b18.2.1 b18.3 () () ()53
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 flat 18-8 s/s b18.2.1 b18.3 () () ()1449
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18x2-1/2 flat stl pln b18.2.1 b18.3 () () ()50
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-24 x 3/45/16-24x3/4 flat head-socket head cap screw-plain b18.2.1 b18.3 () () ()66
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black5/16-18 x 1 1/45/16-18 x 1-1/4 flat socket capscrew steel zinc triv black b18.2.1 b18.3200
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 flat socket capscrew plain b18.2.1 b18.3500
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black5/16 x 3/45/16 x 3/4 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.35460
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black5/16 x 15/16 x 1 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.3246
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black5/16-18 x 1/25/16-18 x 1/2 flat socket cap screw black zinc triv .0002min b18.2.1 b18.31068
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Irwin IndOntFlat Head Socket Cap ScrewSteelBlack Oxide5/16 x 1 1/45/16 x 1-1/4 flat socket f/t black oxide b18.2.1 b18.3300
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black5/16 x 5/85/16 x 5/8 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.31017
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 flat soc capscrew steel zinc triv clear b18.2.1 b18.3288
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 flat socket capscrew 18-8 stainless steel b18.2.1 b18.3150
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 25/16-18 x 2 flat socket cap screw alloy steel ztb2 b18.2.1 b18.3212
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 flat soc capscrew steel plain b18.2.1 b18.31230
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/16-18 x 35/16-18x3 flat stl pln b18.2.1 b18.3 () () ()647
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18x2 flat 18-8 s/s b18.2.1 b18.3 () () ()400
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 flat soc cap screw s/s b18.2.1 b18.3122
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 flat soc cap screw alloy b18.2.1 b18.3920
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 flat soc cap screw s/s b18.2.1 b18.3350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.3579
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3682
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3115
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flt soc cap nyl pel alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/45/16-18 x 1 3/4 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.3450
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 25/16-18 x 2 flat soc cap screw alloy b18.2.1 b18.361
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/45/16-18 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.375
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/45/16-18 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2 1/2 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.365
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 3/45/16-18 x 2 3/4 flat soc cap screw alloy b18.2.1 b18.310
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 35/16-18 x 3 flat soc cap screw s/s b18.2.1 b18.3146
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 35/16-18 x 3 flat soc cap screw alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 45/16-18 x 4 flat soc cap screw alloy b18.2.1 b18.370
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18 x 1/2 flat soc cap screw s/s b18.2.1 b18.3164
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 flat socket zinc steel b18.2.1 b18.32400
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4(ft) coarse socket flat hd c/s ss18-8 b18.2.1 b18.3850
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 flat soc cap screw alloy b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.3600
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3150
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.349
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 25/16-18 x 2 flat soc cap screw alloy b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/45/16-18 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2 1/2 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 35/16-18 x 3 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 flat soc cap screw alloy b18.2.1 b18.3106
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18 x 1/2 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18 x 3/4 flat soc cap screw s/s b18.2.1 b18.3150
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18 x 3/4 flat soc cap screw alloy b18.2.1 b18.3400
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18 x 7/8 flt soc cap s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 15/16-24 x 1 flat soc cap screw alloy b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 5/85/16-24 x 5/8 flt soc cap s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 3/45/16-24 x 3/4 flat soc cap screw s/s b18.2.1 b18.350
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 flat hd socket cap screw alloy b18.2.1 b18.31203
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18x1-1/2 fhscs) b18.2.1 b18.3150
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide5/16-18 x 1/25/16-18 x 1/2 black oxide finish flat socket cap screw) b18.2.1 b18.3800
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 5/85/16-18x5/8 fhscs) b18.2.1 b18.31200
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18x3/4 fhscs) b18.2.1 b18.3200
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18x1 fhscs) b18.2.1 b18.31000
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18x1-1/4 fhscs) b18.2.1 b18.3225
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/45/16-18x1-3/4 fhscs) b18.2.1 b18.3250
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 25/16-18x2 fhscs) b18.2.1 b18.3400
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide5/16-18 x 2 1/45/16-18 x 2-1/4 black oxide finish flat socket cap screw) b18.2.1 b18.3450
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18x2-1/2 fhscs) b18.2.1 b18.3425
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3-1/2 flat head socket cap screw) b18.2.1 b18.3125
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 3/45/16-18 x 2-3/4 flat head socket cap screw b18.2.1 b18.3100
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3inquire
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18x7/8 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.324928
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.314258
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.34250
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 3/45/16-18x3/4 flat head socket cap screw 316 stainless steel b18.2.1 b18.34810
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18x2-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.32560
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18x2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.33440
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1/25/16-18x1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.37824
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/25/16-18x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.311237
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 2 1/25/16-18x2-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.31867
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 25/16-18x2 flat head socket cap screw 316 stainless steel b18.2.1 b18.3750
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 35/16-18x3 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.33095
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18x1-1/4 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3242
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/45/16-18x1-1/4 flat head socket cap screw 316 stainless steel b18.2.1 b18.35299
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 35/16-18x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.32966
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-24 x 5/85/16-24x5/8 flat head socket cap screw 316 stainless steel b18.2.1 b18.39540
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18x1 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.36673
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18x3-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3645
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QFCTXFlat Head Socket Cap ScrewSteelPlain5/16 x 5/85/16x5/8nc flat skt cap screw b18.2.1 b18.372
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QFCTXFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18x3/4 flat soc c/s plain b18.2.1 b18.336
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18x2 flat soc cap screw 18-8 s/s b18.2.1 b18.31009
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QFCTXFlat Head Socket Cap ScrewGrade 8Plain5/16-24 x 3/45/16-24x3/4 flat socket cap screw grade 8 b18.2.1 b18.34900
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18x1/2 flat soc c/s 18-8 b18.2.1 b18.3150
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 flat soc c/s 18-8 b18.2.1 b18.3641
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 flat soc c/s 18-8 b18.2.1 b18.3300
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18x1 flat soc c/s 18-8 b18.2.1 b18.3642
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18x1 1/2 flat soc c/s 18-8 b18.2.1 b18.32
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/45/16-18x1 3/4 flat soc c/s 18-8 b18.2.1 b18.3464
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18x2 flat soc c/s 18-8 full thread b18.2.1 b18.37
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18x2 flat soc c/s 18-8 full thread b18.2.1 b18.3594
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 3/45/16-18x3/4 flat s/c alloy bright zinc b18.2.1 b18.3223
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 1 1/45/16-18x1 1/4 flat soc c/s alloy bright zinc b18.2.1 b18.360
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 35/16-18x3 flat s/c alloy zinc b18.2.1 b18.3200
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 35/16-18 x 3 torx flat fl0or screws b18.2.1 b18.3600
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18 x 3/4 flat hd socket cap screws b18.2.1 b18.31020
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 flat hd socket cap screws b18.2.1 b18.3164
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3686
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3 1/25/16-18 x 3 1/2 flat hd socket cap screw b18.2.1 b18.3297
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 3/45/16-24 x 3/4 flat hd socket cap screws b18.2.1 b18.3165
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 15/16-24 x 1 flat hd socket cap screws b18.2.1 b18.3166
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/45/16-24 x 1 1/4 flat hd socket cap screws b18.2.1 b18.3164
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/25/16-24 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3922
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 flat socket cap screws 18-8 ss b18.2.1 b18.352
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 flat socket cap screws 18-8 ss b18.2.1 b18.341
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat socket cap screws 18-8 ss b18.2.1 b18.3145
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/45/16-18 x 1 3/4 flat socket cap screws 18-8 ss b18.2.1 b18.350
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 flat socket cap screws 18-8 ss b18.2.1 b18.323
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1 1/45/16-24 x 1 1/4 flat socket cap screw 18-8 ss b18.2.1 b18.340
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General FMIFlat Head Socket Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 fh torx plus scr gmw3200 b18.2.1 b18.35633
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/45/16-18x3/4 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.380
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/4cap screw flat socket 5/1618x3/4 stainless steel b18.2.1 b18.372
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1cs flat soc 5/1618x1 aly b18.2.1 b18.3650
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1cap screw flat socket 5/1618x1 stainless steel b18.2.1 b18.3150
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18x1-1/4 flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.3800
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/2cap screw flat socket 5/1618x1-1/2 alloy steel b18.2.1 b18.380
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/4cap screw flat socket 5/1618x1-3/4 alloy steel b18.2.1 b18.3400
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 3/45/16-18x1 3/4 (ft) socket screws flat socket cap flat socket cap screw thermal black oxide alloy (inch) b18.2.1 b18.380
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WurthOntFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/2scr flt soc alloy 5/16-18x1 1/2 b18.2.1 b18.3257
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow5/16-18 x 5/8cap screw flat socket 5/1618x5/8 cadmium plated yellow b18.2.1 b18.3226
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8cap screw flat socket 5/1618x5/8 stainless steel b18.2.1 b18.324
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow5/16-18 x 1cap screw flat socket 5/1618x1 cadmium plated yellow b18.2.1 b18.3156
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4cap screw flat socket 5/1618x1-1/4 stainless steel b18.2.1 b18.3232
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow5/16-18 x 1 1/2cap screw flat socket 5/1618x1-1/2 cadmium plated yellow b18.2.1 b18.362
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x1/2 flat socket c/s b18.2.1 b18.3299
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3/8flat socket c/s b18.2.1 b18.3163
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x2 1/2 flat socket c/s b18.2.1 b18.3100
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1/2flat socket c/s b18.2.1 b18.3133
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/4flat socket c/s b18.2.1 b18.381
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x3/4 flat socket c/s b18.2.1 b18.355
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16nf-24x1 1/2 18-8 ss flat socket b18.2.1 b18.351
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x3 flat socket c/s b18.2.1 b18.344
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x1 flat socket c/s b18.2.1 b18.340
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3flat socket c/s b18.2.1 b18.331
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16nf-24x2 1/4 flat socket c/s b18.2.1 b18.323
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 118-8 ss flat socket c/sre b18.2.1 b18.315
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16nf-24x1 18-8 ss flat socket cap b18.2.1 b18.313
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 2 3/4flat socket c/s b18.2.1 b18.37
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 3 1/2flat socket c/s b18.2.1 b18.33
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/218-8 ss flat socket c/s b18.2.1 b18.31
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain5/16-18 x 5/8flat socket c/s b18.2.1 b18.372
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THRDFASTFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 2t-316 ss flat socket cap b18.2.1 b18.35
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1/2flat socket c/s b18.2.1 b18.350
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THRDFASTOKFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 2 1/4t-316 ss flat socket cap b18.2.1 b18.310
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