#4-40 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.

29,257 Flat Head Socket Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
SIIINFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 flat head socket cap screw)1400
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SIIINFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat head socket cap screw)2378
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SIIINFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/24-40 x 1/2 fhscs)300
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SIIINFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 s/s flat head socket cap screw) b18.2.1 b18.3100
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat soc cap 18-8 s/s 4-40x3/87593
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/16flat soc hd cap ss 4-40 x 3/16500
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc cap 18-8 ss 440 x 5/16400
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat soc cap ss 440 x 1/26800
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8flat soc cap 18-8 ss 440 x 5/86600
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TSFTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1flat soc hd cap screw stainless steel 4-40 x 11680
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MESAFASTCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8flat socket c/s3,594.0
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MESAFASTCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat socket c/s100.0
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44/40 x 1/4 flat hd socket cap screws b18.2.1 b18.3200
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84/40 x 3/8 flat hd socket cap screws b18.2.1 b18.3400
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44/40 x 1/4 flat socket cap screw 18-8 ss b18.2.1 b18.365
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METRO INDOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 flat skt c/s s/s146
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METRO INDOHFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 1/4flat skt c/s75
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METRO INDOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat skt c/s s/s96
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat skt c/s100
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METRO INDOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/4flat skt c/s s/s400
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 1flat skt c/s498
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/4flat skt c/s300
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat skt c/s100
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat skt c/s12
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Set ScrewILFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat socket c/sinquire
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Set ScrewILFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat socket c/s zinklad 1000binquire
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Set ScrewILFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2flat socket c/sinquire
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Set ScrewILFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/2flat socket c/s zinklad black (8 hrs bake)inquire
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Set ScrewILFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat socket c/sinquire
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Set ScrewILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/1618-8 304 flat hex socket c/sinquire
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Set ScrewILFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 3/8flat socket c/s nanomate b10003080
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Cal FastenrsCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#4-40 x 1/44-40 x 1/4 flat soc cap screw 316 stainless steel flt soc cap 316476
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CIFILFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat socket cap, astm 574,,2002
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 2 3/8flat sock c/s 18-8 s/s 4-40 x 2-3/8446
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NAPPCOTXFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#4-40 x 1/4flat socket c/s s/s t316 4-40 x 1/4360
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat socket c/s s/s 18-8 4-40x1/24575
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8flat socket c/s s/s 18-8 4-40x5/81861
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 3/4flat sock c/s s/s 4-40x3/4 black oxide100
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NAPPCOTXFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat socket c/s steel 4-40x1/483
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4flat socket c/s s/s 18-8 4-40x1/4864
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/44-40 x 1-1/4 flat socket cap screw 18-8 stainless steel100
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 14-40 x 1 flat socket cap 18-8 stainless steel1167
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1 1/44-40 x 1 1/4 flt hd sckt cap alloy blk oxide88
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/84-40 x 1/8 flat head socket cap alloy steel black oxide200
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YANKEENHFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/84-40 x 1/8 flat head socket screw undercut stain s1203
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/84-40 x 1/8 flt hd sckt cap undercut s/s black197
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/24-40 x 1 1/2 flt hd sckt cap stainless steel159
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/164-40 x 3/16 flat head socket screw alloy blk oxide193
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 flat head socket cap screw 18-8 stainless steel910
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YANKEENHFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 1/44-40 x 1/4 flt hd sckt cap alloy zinc pltd1450
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 flat head socket cap screw 18-8 stainless steel387
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YANKEENHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16 1/164-40 x 5/16 flat head machine screw (2a) w/ 1/16 socket drive-nylon patched73000
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 5/164-40 x 5/16 flt hd sckt cap alloy blk oxide50
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 flat head socket screw stain steel2871
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YANKEENHFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8 1/164-40 x 3/8 flat head machine screw (2a) w/ 1/16 socket drive-nylon patched40000
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YANKEENHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#4-40 x 1/24-40 x 1/2 flt hd sckt cap 316 stainless steel50
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8#4-40x5/8 coarse socket flat hd cap screw ss18-8 b18.2.1 b18.31,864
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NAPPCOTXFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2flat socket c/s steel 4-40x1/2149
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ACCURATEILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16coarse flat socket c/s 18-8 304500
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 9/16flat socket cap98000
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AmericanNYFlat Head Socket Cap ScrewNylonPlain#4-40 x 1/4socket set flat point6400
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat socket cap ay1050
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/16flat socket cap75
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2flat socket cap500
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4socket set flat pt nylok pellet SKS-.04X.25FPNLKP200
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2socket set flat pt200
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AmericanNYFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 1/8socket set flat pt pl1800
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/164/40 x 3/16 socket set flat point alloy500
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AmericanNYFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 3/84-40 x 3/8 socket flat alloy zinc plate1300
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2socket flat1250
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General FMIFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/84-40 x .375 fhcs soc alloy blk oxide b18.2.1 b18.31,500
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IRFNJFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat sockt c/s 18-8 ss1025
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IRFNJFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat sockt c/s 18-8 ss1025
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/4flat socket cap stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/2flat socket cap stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/4flat socket cap stl black ox0
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4flat socket cap 18-8 3041800
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat socket cap 18-8 304500
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat socket cap 18-8 3040
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/4flat socket cap nylon patch stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/8flat socket cap nylon patch stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 1/2flat socket cap nylon patch stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 5/8flat socket cap nylon patch stl black ox0
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/4flat socket cap nylon patch stl black ox0
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/16flat socket cap 18-8 304200
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RCFastAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat socket cap 18-8 304700
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RCFastAZFlat Head Socket Cap ScrewSteelZinc/Yellow#4-40 x 1/4torx flat 100 deg m/s stl (t-8)1940
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RCFastAZFlat Head Socket Cap ScrewSteelZinc/Clear#4-40 x 1/4torx flat 100 deg m/s stl 1 (t-8) rohs32000
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RCFastAZFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 3/8flat socket cap stl black ox10000
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 tx plus flt hd cap screw ally camcar 354-5406-011211
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CenturyFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 6 spline flt soc cap s/s47
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CenturyFLFlat Head Socket Cap ScrewSteelCadmium#4-40 x 1/4ms24667-1343
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CenturyFLFlat Head Socket Cap ScrewSteelCadmium#4-40 x 1/2ms24667-3160
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CenturyFLFlat Head Socket Cap ScrewSteelCadmium#4-40 x 3/8ms24667-2160
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8ms24671-22117
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8ms24671-488
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 flat hd soc cap3952
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 flat hd soc cap2822
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 pin-in-hex flt hd soc cap30540
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 flat hd soc cap14000
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat hd soc cap2060
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat hd soc cap3234
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 pin-in-hex flt hd soc cap6500
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/24-40 x 1/2 flat hd soc cap1000
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/44-40 x 3/4 flat hd soc cap150
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UNEEDANJFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat hd soc cap5000
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UNEEDANJFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat hd soc cap300
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Purchase MOFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat skt c/s plain steel2100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/164-40 x 3/16 flat soc cap screw alloy b18.2.1 b18.32530
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 flat soc cap screw s/s b18.2.1 b18.3327
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 flat soc cap screw s/s b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 flat soc cap screw alloy b18.2.1 b18.332
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 flat soc cap screw s/s b18.2.1 b18.3478
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 flat soc cap screw s/s b18.2.1 b18.3500
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 flat soc cap screw alloy b18.2.1 b18.31700
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 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.)Plain#4-40 x 3/84-40 x 3/8 flat soc cap screw s/s b18.2.1 b18.31013
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/84-40 x 3/8 flat soc cap screw s/s b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat soc cap screw alloy b18.2.1 b18.3322
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat soc cap screw alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40 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.)Plain#4-40 x 1/24-40 x 1/2 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/24-40 x 1/2 flat soc cap screw alloy b18.2.1 b18.31983
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/24-40 x 1/2 flat soc cap screw alloy b18.2.1 b18.385
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4nc flat socket c/s50
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8nc flat socket c/s303
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2nc flat socket c/s268
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/4nc flat socket c/s200
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#4-40 x 1nc flat socket c/s484
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JacksonMSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8nc flat socket c/s 18-8 304104
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 14-40 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.)Plain#4-40 x 3/164-40 x 3/16 flt soc cap s/s b18.2.1 b18.3642
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OlanderCAFlat Head Socket Cap ScrewSteelZinc/Black#4-40 x 3/84-40 x 3/8 flat soc blk zn rohs alloy1021
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/44-40x1/4 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.39530
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4cap screw flat socket 440x1/4 stainless steel b18.2.1 b18.32600
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8cap screw flat socket 440x3/8 alloy steel b18.2.1 b18.310
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8cap screw flat socket 440x3/8 stainless steel b18.2.1 b18.31100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2cap screw flat socket 440x1/2 alloy steel b18.2.1 b18.38261
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/4cap screw flat socket 440x1-1/4 stainless steel b18.2.1 b18.31450
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SRFALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat soc c/s s/s300
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SRFALFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8flat soc c/s-
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SRFALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/4flat soc c/s s/s-
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WurthOntFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8scr flt soc alloy 4-40x5/8 b18.2.1 b18.3400
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Wurth AdaMNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/4scr flat soc (18 8) 4-40x3/41,250
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/84-40 x 5/8 flat hd soc cap448
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black#4-40 x 1/44-40 x 1/4 flat steel soc cap .0002 min zinc trivalent black b18.2.1 b18.3836
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 flat soc c/s b18.2.1 b18.3200
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black#4-40 x 1/24-40 x 1/2 flat steel soc cap .0002 min zinc trivalent black b18.2.1 b18.31900
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black#4-40 x 5/164-40 x 5/16 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.32200
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black#4-40 x 3/84-40 x 3/8 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.33205
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/44-40 x 3/4 flat socket capscrew ss b18.2.1 b18.31000
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16cap screw flat socket 440x5/16 alloy steel b18.2.1 b18.32955
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat socket c/s 18-8 ss400
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HBBOLTCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/16flat70
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HBBOLTCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1 1/4flat socket c/s50
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HBBOLTCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8flat socket c/s50
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/16flat socket c/s undercut 18-8 ss600
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OBRIENOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/16flat skt cap 18-8 30497
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OBRIENOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4flat 18-8 30496
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OBRIENOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat skt cap70
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/16flat socket c/s b18.2.1 b18.32,051
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat socket c/s b18.2.1 b18.3400
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2flat socket c/s b18.2.1 b18.3394
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SISAZFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat hex socket c/s left hd. thread.75
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SISAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4flat socket c/s 18-8 s/s500
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SISAZFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/16flat socket c/s750
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SISAZFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat t8 torx drive socket c/s black165
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HewesNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4flat hd soc1847
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HewesNYFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4flat hd soc18-8 s/s300
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HewesNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8flat hd soc250
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HewesNYFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2flat hd soc18-8 s/s36
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HewesNYFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2flat hd soc265
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HewesNYFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8flat hd soc18-8 s/s600
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/4nc flat hd socket c/s pl82
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/8nc flat hd socket c/s pl49
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain#4-40 x 1/2nc flat hd socket c/s pl58
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/8nc flat hd socket c/s pl275
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain#4-40 x 3/4nc flat hd socket c/s pl26
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