#6-40 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 3/16flat socket1000
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 1/4flat socket1200
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MFSKSFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/4alloy275
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/4(ft) fine socket flat hd c/s1,050
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/4SAE special flat hd socket c/s268
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SOLUTIONOHFlat Head Socket Cap ScrewSteelZinc/Clear#6-40 x 1/4#6-40x1/4 alloy flat socket astm f835/asme b18.3 (ft) rohs/zinc/bake (trivalent) (fine thread) packaged 50 per8,650
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AFIFLFlat Head Socket Cap ScrewSteelZinc/Clear#6-40 x 1/46-40x1/4 flat hd soc cs st zn100
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 3/86-40 x 3/8 flt hd sckt cap alloy blk oxide455
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8flat skt c/s sae64
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#6-40 x 3/86-40x3/8 flat head socket cap screw 316 stainless steel b18.2.1 b18.3inquire
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Future FastenerTXFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 3/86-40 x 3/8 flat head socket blk100
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 3/8flat socket2500
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8(ft) fine socket flat hd c/s2,545
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 3/8fine socket flat hd c/s ss18-82,315
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8SAE flat hd socket c/s229
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Bolts PlusOntFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8flat soc cap100
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SOLUTIONOHFlat Head Socket Cap ScrewSteelZinc/Clear#6-40 x 3/8#6-40x3/8 alloy flat socket astm f835/asme b18.3 (ft) rohs/zinc/bake (trivalent) (fine thread)3,900
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GLFOHFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8flat screw1790
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WeaverWAFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/8flat hd socket c/s196
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 1/2flat socket cap 18-8 304inquire
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/2socket set flat pt2200
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THRDFASTTNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 1/218-8 ss flat socket c/s b18.2.1 b18.392
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#6-40 x 1/26-40x1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.3inquire
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 1/2flat socket850
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FasSpcMfgFLFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/2flat socket cap ni-cu12
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FasSpcMfgFLFlat Head Socket Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Plain#6-40 x 1/2flat socket cap ni-cu 4004
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/2(ft) fine socket flat hd c/s1,625
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Bolts PlusOntFlat Head Socket Cap ScrewSteelPlain#6-40 x 1/2flat soc cap100
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FasSpcMfgFLFlat Head Socket Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Plain#6-40 x 9/16flat socket cap ni-cu 4008
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 5/8(ft) fine socket flat hd c/s750
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Bolts PlusOntFlat Head Socket Cap ScrewSteelPlain#6-40 x 5/8flat socket c/s83
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 3/4flat socket cap 18-8 304inquire
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 3/4flat socket1000
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/4(ft) fine socket flat hd c/s2,300
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#6-40 x 3/4SAE flat hd socket c/s300
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ACFCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 16-40x1 s/s fhsc200
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-40 x 1flat socket730
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-40 x 1(ft) fine socket flat hd c/s987
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-40 x 1fine socket flat hd c/s ss18-820
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#6-40 x 1 1/4flat socket cap33600
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