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1/2-20 Flat Head Cap Screws

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.

23 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHFlat Head Socket Cap ScrewSteelPlain1/2-20 x 3/41/2-20 x 3/4 flt hd sckt cap w/nylok patch alloy17
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WeaverWAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 3/41/2-20x3/4 flat hd socket c/s 18-8 ss217
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 11/2-20 x 1 socket flat head-18-8 stainless steel15
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 11/2-20 x 1 flat soc cap screw alloy b18.2.1 b18.353
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide1/2-20 x 11/2-20 x 1 flat head socket screw alloy steel black oxide355
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WeaverWAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 11/2-20x1 flat hd socket c/s plain142
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WeaverWAFlat Head Socket Cap ScrewSteelZinc/Clear1/2-20 x 11/2-20x1 flat hd socket c/s zinc300
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ACCURATEILFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1fine flat socket c/sr (alloy)165
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.330
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide1/2-20 x 1 1/41/2-20 x 1 1/4 flt hd sckt cap alloy blk oxide40
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WeaverWAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20x1 1/4 flat hd socket c/s plain245
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ACCURATEILFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/4fine flat socket c/sr (alloy)80
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.360
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.330
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WeaverWAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20x1 1/2 flat hd socket c/s plain53
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ACCURATEILFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/2fine flat socket c/sr89
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 3/41/2-20 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.315
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WeaverWAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 3/41/2-20x1 3/4 flat hd socket c/s plain500
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20 x 2 flat soc cap screw alloy b18.2.1 b18.345
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WeaverWAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20x2 flat hd socket c/s plain25
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.33
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ACCURATEILFlat Head Socket Cap ScrewSteelPlain1/2-20 x 2 1/2fine flat socket c/s (alloy)45
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 31/2-20 x 3 flat soc cap screw alloy b18.2.1 b18.331
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