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5/16 inch length 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.

31,793 Flat Head Socket Cap Screw, showing 200, (click on any line for more information)

< td>8-32 x 5/16 flat head socket cap b18.2.1 b18.3
Buy Flat Head Cap Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32 x 5/16 flat soc cap screw s/s b18.2.1 b18.33484
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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 b18.3978
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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 b18.32100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32 x 5/16 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.)Plain#10-24 x 5/1610-24 x 5/16 flt soc cap s/s b18.2.1 b18.3100
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GLFOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16#4-40x5/16 flat stl pln b18.2.1 b18.3 () () ()1380
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56 x 5/16 flat socket head cap screw stainless steel b18.2.1 b18.3500
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JacksonMSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16nc flat socket c/s 18-8 304123
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JacksonMSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16nc flat socket c/s 18-8 304100
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WeaverWAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 flat hd socket c/s 18-8 ss400
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WeaverWAFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/166-32x5/16 flat hd socket c/s plain300
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WeaverWAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32x5/16 flat hd socket c/s 18-8 ss900
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WeaverWAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/1610-24x5/16 flat hd socket c/s 18-8 ss678
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WeaverWAFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32x5/16 flat hd socket c/s plain400
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MAINSOURCNHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide1/4-28 x 5/161/4-28 x 5/16 torx (t-30) flat head cap sc 18-8 ss black ox2360
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JacksonMSFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16nf flat socket c/s92
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MAINSOURCNHFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16flat soc c/s stl blk80
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MAINSOURCNHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc c/s 18-8 ss blk454
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MAINSOURCNHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc c/s 18-8 ss100
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MAINSOURCNHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat soc c/s stl blk389
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MAINSOURCNHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat soc c/s 18-8 ss blk276
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MAINSOURCNHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat soc c/s 18-8 ss213
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MESAFASTCAFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16#8-32x5/16 flat socket cap screw steel alloy black1,500.0
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#2-56 x 5/162-56 x 5/16 flat hd soc cap alloy 900
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32 x 5/16 flat hd soc cap (ALLOY STL) (ALLOY STL) 490
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CenturyFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56 x 5/16 flat socket cap 18-8 1500
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SJS ProdCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16f/h c/s ss 6-32x5/16 600
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EASTERN SCREWRIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 hex soc flat cap 18-875
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32 x 5/16 flat head socket screw stain steel278
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56 x 5/16 flat socket cap screw 18-8 stainless steel1780
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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 Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 5/165-40 x 5/16 flt hd sckt cap stnls stl310
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#6-32 x 5/166-32 x 5/16 flt hd sckt cap alloy blk oxide395
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 flat head socket screw stainless steel1117
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#8-32 x 5/168-32 x 5/16 flat head socket screw alloy black oxi800
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 flt hd sckt cap stainless steel926
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YANKEENHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/16flat hdhd sckt cap 18-8 304 black400
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YANKEENHFlat Head Socket Cap ScrewSteelBlack Oxide#10-32 x 5/16flat hdhd sckt cap ide3600
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16camcar 364-8443-00 8-32 x 5/16 flat soc (CS ALLOY THERMAL BLK OXIDE) (CS ALLOY THERMAL BLK OXIDE) 13500
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 flat hd soc cap (18-8) (18-8) 14000
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32 x 5/16 socket flat head (ALLOY ZINC YELLOW) (ALLOY ZINC YELLOW) 2400
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32 x 5/16 socket flat head cap (SCREW ALLOY ZINC YELLOW DFARS) (SCREW ALLOY ZINC YELLOW DFARS) 250
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CenturyFLFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40x5/16 flat hd soc cap alloy stl 33
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 5/16flat socket c/s s/s 18-8 3-48x5/16 black (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET)1784
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NAPPCOTXFlat Head Socket Cap ScrewSteelPlain#3-48 x 5/16flat socket c/s steel 3-48x5/16 (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET)2050
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat socket c/s s/s 18-8 6-32x5/16 (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET)95
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NAPPCOTXFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16flat socket c/s steel 6-32x5/16 (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET)72
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NAPPCOTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/16flat socket c/s s/s 18-8 10-24x5/16 (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET) (2-CAP SCREWS - SOCKET)48
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HayesCAFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/166-32 x 5/16 flat socket c/s alloy100
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HayesCAFlat Head Socket Cap ScrewSteelPlain#2-56 x 5/162-56 x 5/16 flat socket c/s alloy100
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HayesCAFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 flat socket c/s alloy100
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HayesCAFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32 x 5/16 flat socket c/s alloy100
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Cal FastenrsCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat soc c/s 18-8 304 soc flat ss50
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Cal FastenrsCAFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16flat soc c/s -nylock patch -allo soc flat scrw750
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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#6-32 x 5/166-32 x 5/16 flat steel soc cap .0002 min zinc trivalent black b18.2.1 b18.33835
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ASMCILFlat Head Socket Cap ScrewSteelPlain#2-56 x 5/16(ft) coarse socket flat hd c/s b18.2.1 b18.3500
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16fine socket flat hd c/s ss18-8 b18.2.1 b18.31,025
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16coarse socket flat hd c/s ss18-884
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 5/16coarse socket flat hd c/s ss18-82,200
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 5/16coarse socket flat hd c/s ss18-850
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ASMCILFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16(ft) coarse socket flat hd c/s1,227
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ASMCILFlat Head Socket Cap ScrewSteelPlain#10-24 x 5/16(ft) coarse socket flat hd c/s1,000
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ASMCILFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16(ft) coarse socket flat hd c/s1,090
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ASMCILFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16(ft) coarse socket flat hd c/s1,097
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ASMCILFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16(ft) fine socket flat hd c/s b18.32,475
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Cal FastenrsCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#8-32 x 5/168-32 x 5/16 flat head socket stainless black oxide flt soc1,800
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OlanderCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain6-32 x 5/16 flat soc ss black520
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OlanderCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain4-40 x 5/16 flat soc sst rohs36
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OlanderCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 5/165-40 x 5/16 flat soc sst rohs () ()458
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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 b18.3600
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EndriesWIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 hex flat soc ket cap stainless 18-82911
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EndriesWIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 hex flat soc ket cap stainless 18-8 vented250
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EndriesWIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 hex flat soc ket cap stainless 18-8 vented300
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EndriesWIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 18-8 s/s steel flat socket head cap screw patch753
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EndriesWIFlat Head Socket Cap ScrewSteelBlack Oxide#6-32 x 5/166-32x5/16 flat soc c/s alloy bl ox10323
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Set ScrewILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/1618-8 304 flat socket c/sinquire
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Set ScrewILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/1618-8 304 f/t flat 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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MTPCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16#8-32 x 5/16 18-8 s.s flat hd socket screw1,000
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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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CenturyNYFlat Head Socket Cap ScrewSteelZinc/Yellow8-32 x 5/16 socket flat head cap screw alloy zinc yellow dfars250
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LibertyILFlat Head Socket Cap ScrewSteelNickel#10-32 x 5/16flat socket c/s c/srew200
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LibertyILFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16flat socket c/s c/srew1,210
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LibertyILFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat socket c/s c/srew1,050
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LibertyILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat socket c/s f/t 18-8 s/s per print 9025501 per print 90255012,800
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KomarILFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 5/164-40x5/16 flat soc cap screw black ox6000
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Field FasILFlat Head Socket Cap ScrewSteelZinc/Clear#10-32 x 5/16#10-32x5/16 soc flat cap/w nylon patch stl zc/rohs 96 hours to white1,410
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AmericanNYFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168/32 x 5/16 flat socket cap alloy2200
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat hd socket c/s4000
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat hd socket c/s1100
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat hd socket c/s820
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#10-24 x 5/1610-24 x 5/16 flat skt c/s alloy300
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32 x 5/16 flat skt c/s sae alloy68
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16flat skt c/s500
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat skt c/s300
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METRO INDOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat skt c/s s/s300
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METRO INDOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat skt c/s s/s200
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METRO INDOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat skt c/s12
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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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SWACOOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16#6-32x5/16 flat ss a2 (18-8)60
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SWACOOHFlat Head Socket Cap ScrewSteelPlain#10-24 x 5/16#10-24x5/16 flat alloy182
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SWACOOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 flat ss a2 (18-8)1500
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SWACOOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16#8-32x5/16 flat ss a2 (18-8)176
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GlobalCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat soc c/s 18-8 ss3,375
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GlobalCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc c/s 18-8 ss354
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SJS ProdCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 f/h socket cap screw ss
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SJS ProdCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16f/h c/s ss 8-32x5/16
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IRFNJFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat u/c socket c/s 18-8 s/s2,500
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IRFNJFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat undercut torx screw 18-8 s/s1,580
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MidStatesMIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/16flat soc c/s 18-8463
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MidStatesMIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 5/16flat soc c/s 18-81
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MidStatesMIFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/16flat soc c/s326
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KomarILFlat Head Socket Cap ScrewSteelBlack Oxide#4-40 x 5/16flat soc c/s black ox6000
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear1/4-28 x 5/161/4-28 x 5/16 zn flat hd socket screwsstock
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear#10-32 x 5/16# 10-32 x 5/16 alloy zn flat hd socket screwsstock
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear#10-24 x 5/16# 10-24 x 5/16 alloy zn flat hd socket screwsstock
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 5/161/4-20 x 5/16 zn flat hd socket screwsstock
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear#6-32 x 5/16# 6-32 x 5/16 alloy zn flat hd socket screwsstock
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MTPCAFlat Head Socket Cap ScrewSteelZinc/Clear#8-32 x 5/16# 8-32 x 5/16 alloy zn flat hd socket screwsstock
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JHP FastenersTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16screw flat socket cap 6-32x5/16 s/s50
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Cal FastenrsCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32x5/16 flat soc cap screw domestic 18-8 304 soc flat hdss soc flat hdss14,600
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat socket c/s 18-8 ss415
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat socket c/s 18-8 ss2,685
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16fh soc c/s 18-8100
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HBBOLTCAFlat Head Socket Cap ScrewSteelPlain#2-56 x 5/16fh soc c/s700
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DeltaTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc c/s 18-8 sst #4-40 x 5/164294
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DeltaTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat soc c/s 18-8 sst #6-32 x 5/16240
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DeltaTXFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#6-32 x 5/16flat soc c/s 316 sst #6-32 x 5/1695
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DeltaTXFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat soc c/s alloy #4-40 x 5/16100
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DeltaTXFlat Head Socket Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain#6-32 x 5/16flat soc c/s 410 sst #6-32 x 5/164822
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DeltaTXFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat soc c/s alloy #8-32 x 5/16550
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DeltaTXFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16flat soc c/s alloy #10-32 x 5/161446
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WDMBIAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 5/16scr flat socket (18 8) 0-80x5/16 (W0K0)5,000
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WDMBIAFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16screw flat soc alloy 10-32x5/161,000
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#2-56 x 5/162-56x5/16 flat head socket cap screw 316 stainless steel b18.2.1 b18.371548
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.373600
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.338800
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#5-40 x 5/16flat socket cap 316 stainless5
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FasSpcMfgFLFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#8-32 x 5/16flat socket cap hastelloy c 2764
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat hd soc cap 2a fit 303 stn2
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#8-32 x 5/16flat socket cap 316 stainless4
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SISAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 flat sock cap screw 18-8200
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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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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/1610/24 x 5/16 flat socket cap screws 18-8 ss b18.2.1 b18.321
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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 5/16200
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ACFCAFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#2-56 x 5/162-56x5/16 s/s flat a28651
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ACFCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 s/s flat69
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ACFCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 s/s flat181
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ACFCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#6-32 x 5/166-32x5/16 s/s flat black oxide patch89
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ACFCAFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32x5/16 flat thermal black1500
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 flat socket cap screw 18-8 ss b18.2.1 b18.345000
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NAPPCOTXFlat Head Socket Cap ScrewSteelZinc/Clear#6-32 x 5/166-32 x 5/16 alloy flat soc cap z/p1300
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OSSCORIFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32x5/16 flat soc cap screw b18.2.1 b18.3297
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OSSCORIFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40x5/16 flat soc cap screw b18.2.1 b18.31,900
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OSSCORIFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/166-32x5/16 flat soc cap screw b18.2.1 b18.3100
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OSSCORIFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 flat soc cap screw 18-8 304 b18.2.1 b18.312,992
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IRFNJFlat Head Socket Cap ScrewSteelZinc/Clear#2-56 x 5/16t8 torx or equivalent flat c1022 unhard .0003 min.cr3 + wax375050
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Mid-ValleyCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat head socket cap screw b18.2.1 b18.3inquire
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LibertyILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat socket c/s 18-8 s/s c/s 18-8 s/s4,000
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BCSBCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32x 5/16 flat head socket stainless steel b18.2.1 b18.314,000
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ZAL INDUSCAFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/166-32 x 5/16 flat soc cap screw alloy3,000
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ZAL INDUSCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32 x 5/16 flat soc cap screw 18-8stn.900
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ZAL INDUSCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 flat soc cap screw stainless1,695
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16cap screw flat socket 632x5/16 alloy steel b18.2.1 b18.395
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16cap screw flat socket 632x5/16 stainless steel b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16cap screw flat socket 832x5/16 stainless steel b18.2.1 b18.3100
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SRFALFlat Head Socket Cap ScrewBrassPlain#10-24 x 5/16flat soc c/s-
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SRFALFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16flat soc c/s-
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SRFALFlat Head Socket Cap ScrewSteelPlain#10-24 x 5/16flat soc c/s undercut11,611
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Wurth AdaMNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16scr flat soc (18 8) 6-32x5/16194
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Wurth AdaMNFlat Head Socket Cap ScrewSteelPlain#6-32 x 5/16scr flat soc alloy 6-32x5/167,500
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AIHAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/16flat soc c/s s/s200
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AIHAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat soc c/s s/s360
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AIHAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/16flat soc c/s s/s305
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AIHAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16flat soc c/s s/s2535
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AIHAZFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#6-32 x 5/16flat soc c/s 316 s/s501
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AIHAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat soc c/s s/s450
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ASFCORPMIFlat Head Socket Cap ScrewSteelBlack Oxide#8-32 x 5/168-32 x 5/16 flt hd soc cap blk ox pkg400
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16cap screw flat socket 1032x5/16 alloy steel b18.2.1 b18.3550
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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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OBRIENOHFlat Head Socket Cap ScrewSteelPlain#10-32 x 5/16flat92
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OBRIENOHFlat Head Socket Cap ScrewSteelPlain#4-40 x 5/16flat skt cap70
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OBRIENOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16flat socket cap 18-8 304200
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All SizeTXFlat Head Socket Cap ScrewSteelPlain#8-32 x 5/16193
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FMPMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 5/16flat socket760
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#0-80 x 5/16flat socket1900
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#10-32 x 5/16flat socket1500
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FMPMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat socket900
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#2-56 x 5/16flat socket4000
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#2-64 x 5/16flat socket1100
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FMPMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 5/16flat socket1100
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#3-48 x 5/16flat socket1100
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FMPMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 5/16flat socket350
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#5-40 x 5/16flat socket700
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#6-32 x 5/16flat socket1000
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FMPMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16flat socket1400
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FMPMAFlat Head Socket Cap ScrewSteelBlack Oxide#8-32 x 5/16flat socket700
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