FCH News

1/2 Flat Head Cap Screws (ASME B18. 3)

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.

Flat Head Socket Cap Screw (b18.3), showing 200, (click on any line for more information)

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AbabaCAFlat Head Socket Cap ScrewSteelZinc/Black1/2-13 x 3 3/41/2-13 x 3 3/4 flt soc cap alloy black zinc b18.2.1 b18.3102
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 flat soc cap screw s/s b18.2.1 b18.3110
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13 x 1 flat soc cap screw alloy b18.2.1 b18.3240
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.3275
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AbabaCAFlat 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 flat soc cap screw s/s b18.2.1 b18.3129
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3175
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AbabaCAFlat 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 flat soc cap screw s/s b18.2.1 b18.357
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.337
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 flat soc cap screw s/s b18.2.1 b18.345
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 flat soc cap screw alloy b18.2.1 b18.3250
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AbabaCAFlat 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 flat soc cap screw s/s b18.2.1 b18.35
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/41/2-13 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.313
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AbabaCAFlat 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 flat soc cap screw s/s b18.2.1 b18.320
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.3232
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 3/41/2-13 x 2 3/4 flat soc cap screw alloy b18.2.1 b18.315
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.3119
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13 x 3 flat soc cap screw alloy b18.2.1 b18.365
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13 x 3 1/2 flat soc cap screw s/s b18.2.1 b18.390
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 flat soc cap screw alloy b18.2.1 b18.335
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 41/2-13 x 4 flt soc cap s/s b18.2.1 b18.39
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 flat stl pln b18.2.1 b18.3 () () ()295
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13x1-1/4 flat stl pln b18.2.1 b18.3 () () ()386
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13x1-1/2 flat stl pln b18.2.1 b18.3 () () ()372
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/41/2-13x1-3/4 flat stl pln b18.2.1 b18.3 () () ()161
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13x2 flat stl pln b18.2.1 b18.3 () () ()216
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1-3/4 flat 18-8 s/s b18.2.1 b18.3 () () ()6
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13x2-1/2 flat stl pln b18.2.1 b18.3 () () ()3
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13x3 flat stl pln b18.2.1 b18.3 () () ()104
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13x3/4 flat stl pln b18.2.1 b18.3 () () ()35
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13x3-1/2 flat stl pln b18.2.1 b18.3 () () ()72
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20x1-1/2 flat stl pln b18.2.1 b18.3 () () ()59
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 31/2-13x3 flat stl zc b18.2.1 b18.3 () () ()147
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 2 1/21/2-13x2-1/2 flat stl zc b18.2.1 b18.3 () () ()89
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GLFOHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3/41/2-13x3/4 flat 316 s/s b18.2.1 b18.3 () () ()150
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GLFOHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/21/2-13x1-1/2 flat 316 s/s b18.2.1 b18.3 () () ()44
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/81/2-13x1-1/8 flat 18-8 s/s b18.2.1 b18.3 () () ()6
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3/41/2-13x3/4 flat head-socket cap screw-plain b18.2.1 b18.3 () () ()8
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20x1-1/2 flat head socket b18.2.1 b18.3 () () ()7
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20x1-1/4 flat head-socket cap screw-plain b18.2.1 b18.3 () () ()82
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BHAMALFlat 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 fl soc cap scr 300 ser ss b18.2.1 b18.348
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BHAMALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 flat soc cap 300 ser ss b18.2.1 b18.330
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BHAMALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1 3/4 flat soc cap scr 300 ser ss b18.2.1 b18.332
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BHAMALFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 31/2-13x3 flat hdsoc cap 316 s/s b18.2.1 b18.375
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BHAMALFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13 x 1 1/2 fl soc cap scr zn b18.2.1 b18.367
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BHAMALFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/41/2-13x3 1/4 flat soc cap scr b18.2.1 b18.314
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BHAMALFlat Head Socket Cap ScrewSteelGalvanized1/2-13 x 21/2-13x2 flat soc cap scr mechgalv b18.2.1 b18.325
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BHAMALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13x2 flat soc cap scr 300 ser ss b18.2.1 b18.316
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BHAMALFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 flat soc cap scr b18.2.1 b18.350
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 flat socket cap screw 18-8 stainless steel b18.2.1 b18.3100
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13x3 coarse socket flat hd cap screw ss18-8 b18.2.1 b18.3100
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ASMCILFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/21/2-13x5 1/2 (pt) coarse socket flat hd cap screw alloy pln b18.2.1 b18.320
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13 x 1 flat soc cap screw alloy b18.2.1 b18.3150
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.350
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AbabaCAFlat 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 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.345
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 flat soc cap screw s/s b18.2.1 b18.320
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 flat soc cap screw alloy b18.2.1 b18.330
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.360
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.35
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13 x 3 flat soc cap screw alloy b18.2.1 b18.320
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13 x 3 1/2 flat soc cap screw s/s b18.2.1 b18.320
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 41/2-13 x 4 flat soc cap screw alloy b18.2.1 b18.310
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 61/2-13 x 6 flat soc cap screw alloy b18.2.1 b18.38
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.330
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 fhscs) b18.2.1 b18.3100
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13x1-1/4 fhscs) b18.2.1 b18.320
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1-1/2 fhscs) b18.2.1 b18.3275
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/41/2-13x1-3/4 fhscs) b18.2.1 b18.330
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13x3 fhscs) b18.2.1 b18.350
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SIIINFlat Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13x2 flat ) b18.2.1 b18.325
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/41/2-13x3/4 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.33233
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13x1-3/4 flat head socket cap screw 316 stainless steel b18.2.1 b18.31568
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/21/2-13x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.31318
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3783
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/41/2-13x1-1/4 flat head socket cap screw 316 stainless steel b18.2.1 b18.31042
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 7/81/2-13x1-7/8 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.32175
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 41/2-13x4 flat head socket cap screw 316 stainless steel b18.2.1 b18.3576
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13x3 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3426
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3/41/2-13x3/4 flat head socket cap screw 316 stainless steel b18.2.1 b18.32200
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13x2-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.3826
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3 1/21/2-13x3-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.3860
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1-1/4 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.31050
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 31/2-13x3 flat head socket cap screw 316 stainless steel b18.2.1 b18.31105
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 7/81/2-13x7/8 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.32375
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 flat soc c/s alloy plain b18.2.1 b18.37
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13x1 flat soc c/s alloy plain b18.2.1 b18.3100
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 1 1/41/2x1 1/4nc flat skt cap screw b18.2.1 b18.3150
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13x1 1/2 flat soc c/s alloy plain b18.2.1 b18.344
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13x1 1/2 flat soc c/s alloy plain b18.2.1 b18.3350
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/21/2-20x1 1/2 flat soc c/s alloy plain b18.2.1 b18.3100
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 1 3/41/2x1 3/4nc flat skt cap screw b18.2.1 b18.397
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 1 3/41/2x1 3/4nc flat skt cap screw b18.2.1 b18.390
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 21/2x2nc flat socket cap screw b18.2.1 b18.3210
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 21/2x2nc flat socket cap screw b18.2.1 b18.3150
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 2 1/41/2x2 1/4nc flat skt cap screw b18.2.1 b18.31
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 2 1/21/2x2 1/2nc flat hdskt hd cp scr b18.2.1 b18.35
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 2 1/21/2x2 1/2nc flat hdskt hd cp scr b18.2.1 b18.324
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 41/2x4nc flat socket cap screw b18.2.1 b18.35
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear1/2-20 x 1 1/21/2-20x1-1/2 flat soc c/s alloy mzinc b18.2.1 b18.36
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 flat sock hd c/s 18-8 b18.2.1 b18.342
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13x2 flat soc c/s 18-8 b18.2.1 b18.36
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2 1/2 flat soc c/s 18-8 b18.2.1 b18.33
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 31/2-13x3 flat soc c/s alloy zinc b18.2.1 b18.311
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CascadeORFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1flat socket socket c/s b18.32200
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 7/81/2-13 x 7/8 flat hd socket cap screws b18.2.1 b18.355
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 11/2-13 x 1 flat hd socket cap screws b18.2.1 b18.3165
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 11/2-13 x 1 flat hd socket cap screws zinc b18.2.1 b18.3400
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 flat hd socket cap screws b18.2.1 b18.360
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/41/2-13 x 1 1/4 flat hd socket cap screws zinc b18.2.1 b18.338
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3228
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13 x 1 1/2 flat hd socket cap screws zinc b18.2.1 b18.3135
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 flat hd socket cap screws b18.2.1 b18.3389
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 21/2-13 x 2 flat hd socket cap screws b18.2.1 b18.3235
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/41/2-13 x 2 1/4 flat hd socket cap screws b18.2.1 b18.3249
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 flat hd socket cap screws b18.2.1 b18.3200
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13 x 3 flat hd socket cap screws b18.2.1 b18.3150
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 flat hd socket cap screws b18.2.1 b18.3100
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 41/2-13 x 4 flat hd socket cap screws b18.2.1 b18.376
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/21/2-13 x 5 1/2 flat hd socket cap screw b18.2.1 b18.341
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 61/2-13 x 6 flat hd socket cap screws b18.2.1 b18.32
B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20 x 2 flat hd socket cap screws b18.2.1 b18.343
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 flat socket cap screws 18-8 ss b18.2.1 b18.3648
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B & K FASTPAFlat 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 flat socket cap screws 18-8 ss b18.2.1 b18.342
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B & K FASTPAFlat 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 flat socket cap screws 18-8 ss b18.2.1 b18.331
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 1/21/2-13x4-1/2 flat soc cs ss b18.2.1 b18.32585
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Marine FastenersFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 21/2-13x2 flat hdsoc c/s 316ss 316ss b18.2.1 b18.3850
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 flat socket cap screw 18-8 ss 5 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.31510
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1-1/2 flat socket cap screw 18-8 ss 5 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.3600
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13x2 flat socket cap screw 18-8 ss 5 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.3500
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13 x 5-1/2 flat soc cs ss b18.2.1 b18.3625
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/41/2-13 x 3/4 flat socket cs ss b18.2.1 b18.33785
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Marine FastenersFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/21/2-13 x 1-1/2 flat socket cap screw 316 ss b18.2.1 b18.36616
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Marine FastenersFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 7 1/21/2-13 x 7-1/2 flat socket cs 316 ss b18.2.1 b18.3112
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General FMIFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/41/2-13x1.25 flat soc b18.2.1 b18.3100
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20x1 1/4 flat soc c/s alloy plain b18.2.1 b18.3298
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2 x 21/2x2nf flat skt cap screw b18.2.1 b18.314
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 31/2-13x3 flat soc c/s plain b18.2.1 b18.358
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QFCTXFlat Head Socket Cap ScrewSteelGalvanized1/2 x 41/2x4nc fl hd skt cap screw m/g b18.2.1 b18.3100
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QFCTXFlat Head Socket Cap ScrewSteelGalvanized1/2 x 51/2x5 nc flat hd socket cap m/galv b18.2.1 b18.3129
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 flat soc c/s 18-8 b18.2.1 b18.3225
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QFCTXFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 3/41/2-13x3/4 flat hd socket 316 b18.2.1 b18.356
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Yellow1/2-13 x 11/2-13x1 torx plus flat soc c/s alloy y/zinc b18.2.1 b18.312
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13x1 1/2 flat soc c/s alloy zinc b18.2.1 b18.3126
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1cap screw flat socket 1/213x1 alloy steel # r b18.2.1 b18.3175
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2cap screw flat socket 1/213x2 alloy steel# r b18.2.1 b18.332
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3cap screw flat socket 1/213x3 alloy steel # r b18.2.1 b18.322
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 3/4cap screw flat socket 1/220x3/4 stainless steel b18.2.1 b18.340
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/4flat socket c/s b18.2.1 b18.3160
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2-13 x 3/4flat socket c/s b18.2.1 b18.387
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x1 flat socket c/s b18.2.1 b18.349
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x2 1/4 flat socket c/s b18.2.1 b18.334
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2-13 x 4flat socket c/s b18.2.1 b18.333
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x2 flat socket c/s b18.2.1 b18.327
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x1 1/4 flat socket c/s b18.2.1 b18.341
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2-13 x 2 1/4flat socket c/s b18.2.1 b18.36
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THRDFASTFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/2t-316 ss flat socket b18.2.1 b18.35
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x1 flat socket c/s b18.2.1 b18.34
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 318-8 ss flat socket c/s b18.2.1 b18.31
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THRDFASTFLFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1flat socket c/s b18.2.1 b18.343
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2nf-20x1 1/4 flat socket c/s b18.2.1 b18.32
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain1/2-13 x 4 1/2flat socket c/s b18.2.1 b18.31
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/4flat socket c/s b18.2.1 b18.350
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain1/2nf-20x2 flat socket c/s b18.2.1 b18.350
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1flat socket c/s b18.2.1 b18.325
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THRDFASTTNFlat Head Socket Cap ScrewSteelPlain1/2-20 x 3 1/2flat socket b18.2.1 b18.350
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THRDFASTTNFlat Head Socket Cap ScrewSteelPlain1/2nf-20x2 flat socket c/s b18.2.1 b18.3150
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THRDFASTTNFlat Head Socket Cap ScrewSteelPlain1/2nf-20x1 3/4 flat socket c/s b18.2.1 b18.335
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KBSTNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.334
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KBSTNFlat Head Socket Cap ScrewSteelPlain1/2 x 51/2 x 5 bolt anchor fl soc ctsk b18.2.1 b18.340
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 3/41/2-20 x 3/4 flat head socket cap b18.2.1 b18.3149
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All SizeTXFlat 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 flat head socket cap s/s b18.2.1 b18.325
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 21/2-20 x 2 flat head socket cap b18.2.1 b18.3177
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 61/2-13 x 6 flat head socket cap b18.2.1 b18.323
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-13 x 41/2-13 x 4 flat head socket cap b18.2.1 b18.334
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 1 1/41/2-20 x 1 1/4 flat head socket cap b18.2.1 b18.3657
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 11/2-20 x 1 flat head socket cap b18.2.1 b18.3293
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/2-20 x 5/81/2-20 x 5/8 flat head socket cap b18.2.1 b18.3175
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