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1/2 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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Search Results Sponsored by Hewes Fastener, your source for Button Head Cap Screws. For more results, visit   www.hewesfastener.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13 x 1 btn soc cap screw alloy b18.3114
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 btn soc cap screw s/s b18.3130
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1 1/2 btn soc cap screw s/s b18.3139
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 btn soc cap screw alloy b18.3321
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13 x 1 3/4 btn soc cap screw s/s b18.350
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 btn soc cap screw s/s b18.3143
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 btn soc cap screw alloy b18.357
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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 Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 btn soc cap screw s/s b18.397
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13 x 3 btn soc cap screw alloy b18.3106
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/41/2-13 x 3/4 btn soc cap screw s/s b18.395
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13 x 3/4 btn soc cap screw alloy b18.3425
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 11/2-20 x 1 btn soc cap screw s/s b18.395
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1 1/21/2-20 x 1 1/2 btn soc cap screw s/s b18.32
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1 3/41/2-20 x 1 3/4 btn soc cap screw s/s b18.370
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20 x 2 btn soc cap screw alloy b18.3180
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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 ScrewSteelPlain1/2-20 x 31/2-20 x 3 btn soc cap screw alloy b18.331
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 btn soc cap screw alloy b18.3169
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GLFOHButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1-1/4 bhcs 18-8 s/s b18.3 () () ()30
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GLFOHButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 3/41/2-13x1-3/4 bhcs stl zc b18.3 () () ()205
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GLFOHButton Head Socket Cap ScrewSteelZinc/Black1/2-13 x 1 1/21/2-13x1-1/2 bhcs stl bzn b18.3 () () ()3274
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GLFOHButton Head Socket Cap ScrewSteelZinc/Black1/2-13 x 1 1/41/2-13x1-1/4 bhcs stl bzn b18.3 () () ()9188
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GLFOHButton Head Socket Cap ScrewSteelZinc/Black1/2-13 x 21/2-13x2 bhcs stl bzn b18.3 () () ()2768
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GLFOHButton Head Socket Cap ScrewSteelZinc/Black1/2-13 x 31/2-13x3 bhcs stl bzn b18.3 () () ()8910
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BHAMALButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 3/41/2-13x1-3/4 button soc c/s zinc b18.3152
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BHAMALButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13x3 button soc c/s 304 s/s b18.325
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BHAMALButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 41/2-13x4 button soc c/s zinc b18.342
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ASMCILButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13x2 coarse socket button hd cap screw ss18-8 b18.350
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ASMCILButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/4coarse socket button hd c/s ss18-8 b18.3155
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 btn soc cap screw s/s b18.3140
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 btn soc cap screw s/s b18.320
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13 x 1 btn soc cap screw alloy b18.3100
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 btn soc cap screw s/s b18.330
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1 1/2 btn soc cap screw s/s b18.330
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 btn soc cap screw alloy b18.350
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 btn soc cap screw s/s b18.330
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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13 x 2-1/4 btn soc cap screw s/s b18.310
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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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AbabaCAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 btn soc cap screw s/s b18.310
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 btn soc cap screw alloy b18.310
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13 x 3/4 btn soc cap screw alloy b18.375
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20 x 2 btn soc cap screw alloy b18.330
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AbabaCAButton Head Socket Cap ScrewSteelPlain1/2-20 x 31/2-20 x 3 btn soc cap screw alloy b18.320
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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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ParkerAZButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/81/2-13x1.125 button head cap screw-asme b18.3 1.125 thread 4037 aly stl 39-43 hrc astm b633 sc 1 ty ii bake made in u.s.a.215
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ParkerAZButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 button head socker cap screw dfar 302 s/s 6 lobe b18.3 made in u.s.a.2,684
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ParkerAZButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/81/2-13x1.125 button head cap screw-asme b18.3 1.125 thread 4037 aly stl 39-43 hrc astm b633 sc 1 ty ii bake made in u.s.a.215
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1-1/4 hex button cap screw 18-8 stainless steel b18.31410
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StandardMAButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-20 x 1 1/21/2-20x1-1/2 button cap screw 316 stainless steel b18.3480
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 41/2-13x4 hex button cap screw 18-8 stainless steel b18.3600
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StandardMAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 7/81/2-13x7/8 hex button cap screw 18-8 stainless steel b18.34785
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General FMIButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 bhcs 18-8 w/nylon patch b18.319210
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General FMIButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 21/2-13x2 bhcs soc zn/nickel/bake b18.31350
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QFCTXButton Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 button soc c/s alloy plain b18.350
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QFCTXButton Head Socket Cap ScrewSteelPlain1/2 x 1 1/21/2x1 1/2nc button hd skt cap b18.350
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1-1/2 hex socket button head cap screw 18-8 s/s steel b18.380
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 button soc c/s 18-8 b18.313
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 button soc c/s 18-8 b18.389
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 button soc c/s 18-8 b18.350
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1 3/4 button soc c/s 18-8 b18.37
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13x2-1/4 button soc c/s 18-8ss b18.351
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QFCTXButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13x3 button soc c/s 18-8 b18.350
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QFCTXButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13x1 1/2 button soc c/s alloy zinc b18.350
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13 x 3/4 button hd socket cap screws b18.329
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 button hd socket cap screws b18.3255
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 button hd socket cap screws plain b18.3124
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B & K FASTPAButton Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20 x 1 1/4 button hd socket cap screws b18.3100
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B & K FASTPAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 button skt cap screw stainless b18.394
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B & K FASTPAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1 1/2 button socket cap screw 18-8 ss b18.394
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B & K FASTPAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13 x 1 3/4 button socket cap screws 18-8 ss b18.343
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B & K FASTPAButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 button socket cap screws 18-8 ss b18.392
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Marine FastenersFLButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 2 3/41/2-13x2-3/4 button socket cs 316ss 316ss b18.39050
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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1-1/4 button soc cs ss b18.321690
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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1-3/4 button soc cs ss b18.36938
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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 51/2-13x5 button socket cs ss b18.31700
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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 3/41/2-13x2-3/4 button soc cs ss b18.33900
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Marine FastenersFLButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13x1-3/4 button socket cap screw 316ss 316ss b18.31910
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Marine FastenersFLButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 41/2-13x4 button socket cs 316ss 316ss b18.3500
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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 Screw316, 317, A4 StainlessPlain1/2-13 x 3/41/2-13x3/4 button socket cs 316ss 316ss b18.31300
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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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Marine FastenersFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 61/2-13 x 6 button soc c/s s.s. b18.3532
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BHAMALButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 31/2-13x3 butn soc c/s zn b18.350
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OSSCORIButton Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13x2 button soc cap screw b18.384
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QFCTXButton Head Socket Cap ScrewSteelPlain1/2 x 1 1/41/2x1 1/4nc button hd skt cap b18.338
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QFCTXButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/41/2-13 x 1-1/4 button head cap screw zinc b18.390
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QFCTXButton Head Socket Cap ScrewSteelGalvanized1/2-13 x 1 1/21/2-13x1 1/2 button soc c/s alloy mech galv b18.3500
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QFCTXButton Head Socket Cap ScrewSteelZinc/Clear1/2-131/2-13x2 button s/c alloy zinc b18.3111
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Bostwick INButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 11/2-20 x 1 button soc cap screw 18-8 stainless b18.380
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JET FITTINGCAButton Head Socket Cap ScrewSteelPlain1/2-20 x 3/41/2-20x3/4 button hex socket cap screw alloy steel thermal black oxide b18.320
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THRDFASTFLButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 ss button soc cap b18.356
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 3/4button soc c/s b18.350
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 3button soc c/s b18.346
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/2button soc c/s b18.340
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/4button soc c/s b18.36
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THRDFASTFLButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 2button soc c/s b18.3200
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 2button soc c/s b18.319
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THRDFASTFLButton Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/2button soc c/s b18.31
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THRDFASTTNButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/2button soc c/s b18.3174
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THRDFASTTNButton Head Socket Cap ScrewSteelPlain1/2-13 x 2button soc c/s b18.39
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THRDFASTTNButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 318-8 ss button soc c/s b18.31
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THRDFASTALButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/4button soc c/s b18.3100
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THRDFASTMSButton Head Socket Cap ScrewSteelPlain1/2-13 x 1button soc c/s b18.323
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THRDFASTALButton Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1button soc c/s b18.31
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THRDFASTALButton Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/4button soc c/s b18.350
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THRDFASTMSButton Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 118-8 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.)Plain1/2-13 x 218-8 ss button soc c/s b18.375
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THRDFASTOKButton Head Socket Cap ScrewSteelGalvanized1/2-13 x 1 1/2button soc c/s mech b18.310
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THRDFASTFLButton Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/4t-316 ss button soc c/s b18.36
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All SizeTXButton Head Socket Cap ScrewSteelPlain1/2-20 x 11/2-20 x 1 button head socket cap b18.3217
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All SizeTXButton Head Socket Cap ScrewSteelPlain1/2-13 x 41/2-13 x 4 button head socket cap b18.37
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All SizeTXButton Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 button head socket cap b18.33
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All SizeTXButton Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13 x 3/4 button soc cap b18.3216
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All SizeTXButton Head Socket Cap ScrewSteelPlain1/2-13 x 1/21/2-13 x 1/2 button head socket cap b18.315
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