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5/16 inch length Button Head Cap Screws (ASME B18. 3)

Button Head Socket Cap Screws are commonly used in machine parts, die fixturing, and clamping. The socket head enables driving where there is not sufficient space for wrenches or sockets. The button shaped head offer a wider bearing surface. Button head socket cap screws have a high tensile strength but are still low profile. They are covered by ASME B18.3

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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Irwin IndOntButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 button socket capscrew stainless steel b18.34489
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Irwin IndOntButton Head Socket Cap ScrewSteelZinc/Black#6-32 x 5/166-32 x 5/16 button skt cs stl .0002 min zinc trivalent black b18.313975
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Irwin IndOntButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 unc button hd socket cap screw in 18.8 s/s b18.330
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Irwin IndOntButton Head Socket Cap ScrewSteelZinc/Black#8-32 x 5/168-32 x 5/16 but skt c/s steel .0002 min zinc trivalent black b18.34630
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Irwin IndOntButton Head Socket Cap ScrewSteelZinc/Black#10-24 x 5/1610-24 x 5/16 butt soc cap stl .0002 min zinc trivalent black b18.33000
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Irwin IndOntButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 button sckt cap screw 18.8 s/s b18.37043
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GLFOHButton Head Socket Cap ScrewSteelPlain#8-32 x 5/16#8-32x5/16 bhcs stl pln b18.3 () () ()5597
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GLFOHButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16#8-32x5/16 bhcs 18-8 s/s b18.3 () () ()2404
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GLFOHButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16#4-40x5/16 bhcs 18-8 s/s b18.3 () () ()123
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GLFOHButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16#10-32x5/16 bhcs 18-8 s/s b18.3 () () ()41
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32 x 5/16 btn soc cap screw s/s b18.35055
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/161/4-20 x 5/16 btn soc cap screw s/s b18.3100
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56 x 5/16 btn soc cap screw s/s b18.3286
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 btn soc cap screw s/s b18.35300
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AbabaCAButton Head Socket Cap ScrewSteelPlain#6-32 x 5/166-32 x 5/16 btn soc cap screw alloy b18.31850
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AbabaCAButton Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32 x 5/16 btn soc cap screw alloy b18.3400
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 btn soc cap screw s/s b18.3600
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 btn soc cap screw s/s b18.32271
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AbabaCAButton Head Socket Cap Screw316, 317, A4 StainlessPlain#10-32 x 5/1610-32 x 5/16 btn soc cap screw w/patch 316 s/s b18.350
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AbabaCAButton Head Socket Cap ScrewSteelPlain#2-56 x 5/162-56 x 5/16 btn soc cap screw alloy b18.3100
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Irwin IndOntButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 button socket capscrew ss + nylon patch b18.33000
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ASMCILButton Head Socket Cap ScrewSteelPlain#3-48 x 5/16(ft) coarse socket button hd c/s b18.3505
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32 x 5/16 btn soc cap screw s/s b18.3100
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 btn soc cap screw s/s b18.3500
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AbabaCAButton Head Socket Cap ScrewSteelPlain#8-32 x 5/168-32 x 5/16 btn soc cap screw alloy b18.3200
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EximS'poreButton Head Socket Cap ScrewSteelBlack Oxide#6-32 x 5/16screw button head hexsteel black oxide unc 3a# 6-32 x 5/16 in b18.37146
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EximS'poreButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6-32 x 5/16screw button head hexs/s passivated unc 2a# 6-32 x 5/16 in b18.376491
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EximS'poreButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 5/16screw button head hexs/s passivated#4-40 x 5/16 in b18.33851
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EximS'poreButton Head Socket Cap ScrewSteelBlack Oxide#4-40 x 5/16screw button head hexsteel black oxide#4-40 x 5/16 in b18.358
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SIIINButton Head Socket Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 bhscs b18.3600
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 bhcs 18-8 702027 b18.31095
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32x5/16 bhcs a2 (18-8) 1-BS-10F-31 b18.31814
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16#6-32x5/16 bhcs a2 ss 1-BS-6C-31 b18.36600
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JET FITTINGCAButton Head Socket Cap ScrewSteelBlack Oxide#6-32 x 5/166-32x5/16 bhcs alloy stl blk 701047 b18.32112
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JET FITTINGCAButton Head Socket Cap ScrewSteelBlack Oxide#8-32 x 5/16#8-32x5/16 bhcs stl blk ox 701073 b18.31790
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16#8-32x5/16 bhcs a2 (18 702102 b18.34843
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16#4-40x5/16 bhcs a2 (18-8) 702057 b18.3640
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ParkerAZButton Head Socket Cap ScrewSteelPlain#2-56 x 5/162-56 x 5/16 button head cap screw 6 lobe b18.3 made in u.s.a.10,300
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 hex button cap screw 18-8 stainless steel b18.361754
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32x5/16 hex button cap screw 18-8 stainless steel b18.342850
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/1610-32x5/16 hex button cap screw 18-8 stainless steel b18.3-2500
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 hex button cap screw 18-8 stainless steel b18.332135
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StandardMAButton Head Socket Cap Screw316, 317, A4 StainlessPlain#10-32 x 5/1610-32x5/16 button cap screw 316 stainless steel b18.336700
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40x5/16 hex button cap screw 18-8 stainless steel b18.330060
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164/40x5/16 buttn hd sockt st/st b18.3400
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OSSCORIButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-36 x 5/168-36x5/16 button soc cap screw 18-8 304 b18.34,731
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 button soc cap 18-8 ss b18.35000
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Bostwick INButton Head Socket Cap ScrewSteelPlain5/16-18 x 5/165/16-18 x 5/16 button soc cap screw alloy b18.3100
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Bostwick INButton Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32 x 5/16 button soc cap screw alloy b18.3795
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16cap screw button socket 632x5/16 stainless steel b18.32400
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JET FITTINGCAButton Head Socket Cap ScrewSteelPlain#8-32 x 5/16cap screw button socket 832x5/16 alloy steel b18.32000
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/16cap screw button socket 832x5/16 stainless steel b18.3198
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16cap screw button socket 440x5/16 stainless steel b18.3950
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JET FITTINGCAButton Head Socket Cap ScrewSteelPlain#10-24 x 5/16cap screw button socket 1024x5/16 alloy steel b18.31230
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THRDFASTTNButton Head Socket Cap ScrewSteelPlain#8-32 x 5/16button soc c/s b18.350
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THRDFASTALButton Head Socket Cap ScrewSteelPlain#8-32 x 5/16button soc c/s b18.376
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All SizeTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/161/4-20 x 5/16 button head socket cap s/s b18.3970
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All SizeTXButton Head Socket Cap ScrewSteelPlain#10-32 x 5/1610-32 x 5/16 button head socket cap b18.399
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