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2 1/2 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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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 2 1/210-32 x 2 1/2 btn soc cap screw s/s b18.380
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AbabaCAButton Head Socket Cap ScrewSteelPlain#10-32 x 2 1/210-32 x 2 1/2 btn soc cap screw alloy b18.3112
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 btn soc cap screw s/s b18.34843
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/21/4-20 x 2 1/2 btn soc cap screw alloy b18.3396
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2 1/2 btn soc cap screw s/s b18.3232
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AbabaCAButton Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 btn soc cap screw alloy b18.3396
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2 1/2 btn soc cap screw s/s b18.382
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AbabaCAButton Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16 x 2 1/2 btn soc cap screw alloy b18.3359
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13 x 2 1/2 btn soc cap screw s/s b18.350
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 btn soc cap screw alloy b18.366
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 btn soc cap screw alloy b18.367
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AbabaCAButton Head Socket Cap ScrewSteelPlain5/8-11 x 2 1/25/8-11 x 2 1/2 btn soc cap screw alloy b18.315
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GLFOHButton Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18x2-1/2 bhcs stl pln b18.3 () () ()268
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GLFOHButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20x2-1/2 bhcs 18-8 s/s b18.3 () () ()200
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Irwin IndOntButton Head Socket Cap ScrewSteelZinc/Black1/4-20 x 2 1/21/4-20 x 2 1/2 unc but skt c/s stl .0002 min zinc triv black b18.3970
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Irwin IndOntButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2-1/2 button soccap 18-8 ss b18.3200
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ASMCILButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 2 1/2coarse socket button hd c/s ss18-8 b18.35
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ASMCILButton Head Socket Cap ScrewSteelPlain#6-32 x 2 1/2(ft) coarse socket button hd c/s b18.3625
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 2 1/210-24 x 2 1/2 btn soc cap screw s/s b18.35
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2 1/2 btn soc cap screw s/s b18.350
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AbabaCAButton Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 btn soc cap screw alloy b18.3200
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2 1/2 btn soc cap screw s/s b18.360
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AbabaCAButton Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16 x 2 1/2 btn soc cap screw alloy b18.31
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13 x 2 1/2 btn soc cap screw s/s b18.320
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 btn soc cap screw alloy b18.325
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SIIINButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13x2 1/2 (ft) button socket caps unc alloy thermal black oxide b18.350
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16x2 1/2 non-standard bhcs a2 ( 702233 b18.3100
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18x2-1/2 hex button cap screw 18-8 stainless steel b18.32400
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 2 1/23/8-24x2-1/2 hex button cap screw 18-8 stainless steel b18.32995
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QFCTXButton Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 2 1/21/4-20x2-1/2 button soc c/s alloy zinc b18.33
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain1/4-28 x 2 1/21/4-28 x 2 1/2 button hd socket cap screws b18.378
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 button hd socket cap screws plain b18.350
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain5/8-11 x 2 1/25/8-11 x 2 1/2 button hd socket cap screws-alloy b18.385
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Marine FastenersFLButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13x2-1/2 button socket cs 316ss 316ss b18.3960
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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2-1/2 button socket cap screw 18-8 ss 5 per small bag 5 small bags per master pack-generic brand b18.3500
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QFCTXButton Head Socket Cap ScrewSteelPlain3/8 x 2 1/23/8x2 1/2nc button hd skt cap b18.316
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JET FITTINGCAButton Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/2cap screw button socket 3/816x2-1/2 alloy steel b18.3420
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JET FITTINGCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/2cap screw button socket 3/816x2-1/2 stainless steel b18.3100
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/2button soc c/s b18.340
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 2 1/218-8 ss button soc c/s b18.376
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THRDFASTALButton Head Socket Cap ScrewSteelPlain5/16-18 x 2 1/2button soc c/s b18.312
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/218-8 ss button soc c/s b18.326
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/218-8 ss button soc c/s b18.3151
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/218-8 ss button soc c/s b18.3175
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THRDFASTMSButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/2button soc c/s b18.360
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THRDFASTALButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/2button soc c/s b18.325
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/218-8 ss button soc c/s b18.325
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THRDFASTALButton Head Socket Cap ScrewSteelPlain5/8-11 x 2 1/2button soc c/s b18.35
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All SizeTXButton Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16 x 2 1/2 button head socket cap b18.350
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All SizeTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2 1/2 button head socket cap s/s b18.326
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FACCAOntButton Head Socket Cap ScrewSteelZinc/Clear1 x 2 1/2spacer buttite rolled for 1 bolt 2 1/2 lg .094 wall th low carbon (1010) steel zinc pl. b18.326738
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