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1 1/2 inch length 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCAFlat Head Socket Cap ScrewSteelPlain#10-24 x 1 1/210-24 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3750
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#10-24 x 1 1/210-24 x 1 1/2 flat soc cap screw dom alloy b18.2.1 b18.380
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/210-32 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3203
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#10-32 x 1 1/210-32 x 1 1/2 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.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3443
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/21/4-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.31440
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/21/4-28 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.375
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3150
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3682
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3115
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flt soc cap nyl pel alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1 1/25/16-24 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.311
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/25/16-24 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.378
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3425
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3650
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 1 1/23/8-24 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.310
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/23/8-24 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.351
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AbabaCAFlat Head Socket Cap ScrewSteelPlain7/16-14 x 1 1/27/16-14 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.390
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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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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 ScrewSteelPlain1/2-20 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 ScrewSteelPlain1/4-20 x 1 1/21/4-20x1-1/2 flat stl pln b18.2.1 b18.3 () () ()1464
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20x1-1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()765
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/2#10-32x1-1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()282
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/25/8-11x1-1/2 flat stl pln b18.2.1 b18.3 () () ()104
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 1 1/21/4-20x1-1/2 flat stl zc b18.2.1 b18.3 () () ()69
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/23/8-16x1-1/2 flat stl zc b18.2.1 b18.3 () () ()108
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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 ScrewSteelZinc/Clear5/8-11 x 1 1/25/8-11x1-1/2 flat stl zc b18.2.1 b18.3 () () ()1464
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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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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 1 1/27/16-14 x 1 1/2 flat socket head cap screw screw stainless steel b18.2.1 b18.39
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18x1-1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()200
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13x1-1/2 flat stl zc b18.2.1 b18.3 () () ()60
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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 ScrewSteelPlain5/16-18 x 1 1/25/16-18x1 1/2 flat hdsoc cap b18.2.1 b18.350
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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 ScrewSteelGalvanized3/8-16 x 1 1/23/8-16x1 1/2 flat soc cap scr mechgalv b18.2.1 b18.3548
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BHAMALFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16x1 1/2 flat soc cap scr 300 ser ss b18.2.1 b18.331
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32 x 1-1/2 steel flat hd socket cap screw plain b18.2.1 b18.3500
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black#10-24 x 1 1/210-24 x 1 1/2 flat stl soc cap .0002 min zinc trivalent black b18.2.1 b18.32500
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1-1/2 flat socket capscrew 18.8 stainless steel b18.2.1 b18.3110
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 1 1/21/4-20 x 1 1/2 flt soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.35400
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 flat socket zinc steel b18.2.1 b18.32400
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black3/8 x 1 1/23/8 x 1 1/2 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.31013
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1-1/2 flat socket cap screw stainless steel 18-8 b18.2.1 b18.350
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear#8 x 1 1/2#8 x 1 1/2 flt hd. soc w/s zinc trivalent clear 100/pack b18.2.1 b18.324500
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16x1 1/2 flat soc capscrew b18.2.1 b18.33000
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/2fine socket flat hd c/s ss18-8 b18.375
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AbabaCAFlat Head Socket Cap ScrewSteelPlain#10-24 x 1 1/210-24 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/210-32 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.3350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/21/4-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3150
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1 1/25/16-24 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.315
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AbabaCAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/25/16-24 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/2 3/8-16 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3200
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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 ScrewSteelPlain1/2-20 x 1 1/21/2-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.330
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1 1/28-32 x 1 1/2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain7/16-20 x 1 1/27/16-20 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.390
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Infasco DGAFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/25/8-11 x 1 1/2 hex flat skt cntk b18.3 (alloy) unc ft p875
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SIIINFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18x1-1/2 fhscs) b18.2.1 b18.3150
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/21/4-20x1-1/2 fhscs) b18.2.1 b18.3300
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SIIINFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16 x 1-1/2 fhscs) b18.2.1 b18.3400
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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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Infasco DILFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/25/8-11 x 1 1/2 hex flat skt cntk b18.3 (alloy) unc ft p1400
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/2#10-32x1 1/2 flat hdsock caps a2 (18-8 212063 b18.2.1 b18.3197
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#8-32 x 1 1/2#8-32x1 1/2 non-standard flat hdsock c 712105 b18.2.1 b18.3850
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JET FITTINGCAFlat Head Socket Cap ScrewSteelBlack Oxide#6-32 x 1 1/2#6-32x1 1/2 flat hdsock caps stl blk o 721072 b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/21/4-20x1-1/2 flat stl black 211115 b18.2.1 b18.34238
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JET FITTINGCAFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 1 1/23/8-16x1 1/2 flat hdsock caps stl blk 211215 b18.2.1 b18.31011
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 1 1/23/8-16x1-1/2 flat hex socket stainless steel 18-8 passivated 616C24FSCS SSP b18.2.1 b18.399
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CresMfgCTFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1.500 hex socket flat 82 marked head cl3a ss pass ams2700 method 1 class 4 (sp) dfars (rev 2) ms24671-54 b18.2.1 b18.31,200
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ParkerAZFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32x1 1/2 flat head socket cap screw-asme b18.3 1.403 thread 4037 aly stl 39-43 hrc thermal blacken made in u.s.a.8400
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ParkerAZFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32x1 1/2 flat head socket cap screw-asme b18.3 1.403 thread 4037 aly stl 39-43 hrc thermal blacken made in u.s.a.875
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 1 1/23/8-16 x 1 1/2 flat head socket cap screw dfar 302 s/s passivate per ms24671-54 b18.2.1 b18.3 made in u.s.a.5,250
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ParkerAZFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32x1 1/2 flat head socket cap screw-asme b18.3 1.403 thread 4037 aly stl 39-43 hrc thermal blacken made in u.s.a.875
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ParkerAZFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 1 1/23/8-16 x 1.50 flat head soc cap screw asme-b18.3 1.22 thread ff-s-86e w/am#4 302hq 18-8 304 passivate per ms24671-54 304ss made in u.s.a.5250
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ParkerAZFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32x1 1/2 flat head socket cap screw-asme b18.3 1.403 thread 4037 aly stl 39-43 hrc thermal blacken made in u.s.a.8400
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#10-24 x 1 1/210-24x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.312858
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.34250
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/8-11 x 1 1/25/8-11x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.3788
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1 1/21/4-20x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.36215
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/25/16-18x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.311237
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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.)Plain5/8-11 x 1 1/25/8-11x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3502
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 1 1/23/4-10x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.380
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 1/23/8-16x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.35427
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.39643
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StandardMAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#4-40 x 1 1/24-40x1-1/2 flat head socket cap screw 316 stainless steel b18.2.1 b18.35525
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StandardMAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/210-32x1-1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3inquire
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QFCTXFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16x1 1/2 flat soc c/s plain b18.2.1 b18.3436
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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 ScrewSteelPlain3/8-16 x 1 1/23/8-16x1 1/2 flat soc cap screw b18.2.1 b18.350
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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.)Plain5/16-18 x 1 1/25/16-18x1 1/2 flat soc c/s 18-8 b18.2.1 b18.32
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16x1 1/2 flat soc c/s 18-8 b18.2.1 b18.383
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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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CascadeORFlat Head Socket Cap ScrewSteelPlain#8-32 x 1 1/2flat socket socket c/s b18.34600
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/21/4-20 x 1 1/2 flat hd socket cap screws b18.2.1 b18.33223
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3686
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/25/16-24 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3922
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/23/8-16 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3351
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/23/8-16 x 1 1/2 flat hd socket cap screws zinc b18.2.1 b18.32
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain7/16-14 x 1 1/27/16-14 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3137
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain7/16-20 x 1 1/27/16-20 x 1 1/2 flat hd socket cap screws b18.2.1 b18.390
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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 ScrewSteelPlain5/8-11 x 1 1/25/8-11 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3498
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/4-10 x 1 1/23/4-10 x 1 1/2 flat hd socket cap screws b18.2.1 b18.3210
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/210/32 x 1 1/2 flat socket cap screws 18-8 stainless b18.2.1 b18.357
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flat socket cap screws 18-8 ss b18.2.1 b18.3145
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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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B & K FASTPAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/4-10 x 1 1/23/4-10 x 1 1/2 flat socket cap screw t316 ss b18.2.1 b18.331
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20x1-1/2 flat soc cs ss b18.2.1 b18.357771
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/210-32x1-1/2 flat socket cap screw 18-8 ss 100 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.310100
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Fluoropolymer-Based (Xylan, Fluorokote, Teflon)3/8-16 x 1 1/23/8-16x1-1/2 flat soc cs ss/black xylan b18.2.1 b18.32486
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/21/4-28x1-1/2 flat socket cs ss b18.2.1 b18.37000
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1 1/26-32x1-1/2 flat soc cap screw 18-8 b18.2.1 b18.318100
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 1 1/27/16-14x1-1/2 flat hdsoc cap ss b18.2.1 b18.31675
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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 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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BHAMALFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/23/8-24x1 1/2 flat hdsoc cap dom b18.2.1 b18.3174
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OSSCORIFlat Head Socket Cap ScrewSteelPlain3/4-10 x 1 1/23/4-10x1 1/2 flat soc cap screw b18.2.1 b18.39
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OSSCORIFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/25/8-11x1 1/2 flat soc cap screw b18.2.1 b18.325
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QFCTXFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18x1 1/2 flat soc c/s plain b18.2.1 b18.3410
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20x1 1/2 flat soc 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.)Plain3/8-24 x 1 1/23/8-24x 1 1/2 flat socket cap screw 18-8 b18.2.1 b18.325
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/25/8-11x1 1/2 flat soc c/s 18-8 b18.2.1 b18.319
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 1 1/25/16-18x1 1/2 flat soc c/s alloy bright zinc b18.2.1 b18.3700
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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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Bostwick INFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/26-32 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3308
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Bostwick INFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 flat soc cap screw (usa mfg) alloy b18.2.1 b18.3100
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Bostwick INFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 flat soc cap screw alloy nylon patc b18.2.1 b18.347
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Bostwick INFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 flat soc cap screw alloy b18.2.1 b18.3126
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Bostwick INFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/23/8-24 x 1 1/2 flat soc cap screw (usa mfg) alloy b18.2.1 b18.350
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/2cap screw flat socket 5/1618x1-1/2 alloy steel b18.2.1 b18.380
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/2cap screw flat socket 3/816x1-1/2 alloy steel b18.2.1 b18.3235
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/2cap screw flat socket 3/816x1-1/2 alloy steel zinc plated b18.2.1 b18.3200
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 1 1/2cs flat soc 3/816x1-1/2 stainless steel passiveted ams qq-p-35 b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/23/8-24x1-1/2 (ft) flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.3400
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow3/8-24 x 1 1/2cap screw flat socket 3/824x1-1/2 cadmium plated yellow b18.2.1 b18.350
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain7/16-14 x 1 1/2cap screw flat socket 7/1614x1-1/2 alloy steel# r b18.2.1 b18.375
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/2cap screw flat socket 1/420x1-1/2 alloy steel b18.2.1 b18.3215
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow1/4-28 x 1 1/2cap screw flat socket 1/428x1-1/2 cadmium plated yellow b18.2.1 b18.3300
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WurthOntFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/2scr flt soc alloy 5/16-18x1 1/2 b18.2.1 b18.3257
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NWFASTTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1 1/2 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.33917
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/2cap screw flat socket 1032x1-1/2 stainless steel b18.2.1 b18.3200
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JET FITTINGCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1 1/2cs flat soc 1/420x1-1/2 316 stainless b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow5/16-18 x 1 1/2cap screw flat socket 5/1618x1-1/2 cadmium plated yellow b18.2.1 b18.362
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1 1/2cap screw flat socket 832x1-1/2 stainless steel b18.2.1 b18.31000
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain#6-32 x 1 1/2#6-32x1 1/2 (pt) socket screws flat socket cap flat socket cap screw thermal black oxide alloy (inch) b18.2.1 b18.3100
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain#10-24 x 1 1/2flat socket c/s b18.2.1 b18.3102
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain#8-32 x 1 1/2flat socket c/s b18.2.1 b18.365
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/4-10 x 1 1/2flat socket c/s b18.2.1 b18.340
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain7/16-14 x 1 1/2flat socket c/s b18.2.1 b18.37
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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 ScrewSteelPlain#10-24 x 1 1/2flat socket c/s b18.2.1 b18.3100
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THRDFASTFLFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/2flat socket c/s zin b18.2.1 b18.330
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THRDFASTFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 1/2t-316 ss flat socket b18.2.1 b18.376
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THRDFASTTNFlat Head Socket Cap ScrewSteelPlain5/16-18 x 1 1/2flat socket c/s b18.2.1 b18.3100
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THRDFASTTNFlat Head Socket Cap ScrewSteelPlain7/16-14 x 1 1/2flat socket c/s b18.2.1 b18.375
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THRDFASTTNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/218-8 ss flat socket cap b18.2.1 b18.35
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THRDFASTMSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/218-8 ss flat socket cap b18.2.1 b18.332
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THRDFASTMSFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 1 1/2flat socket c/s zin b18.2.1 b18.31,000
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THRDFASTMSFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/218-8 ss flat socket cap b18.2.1 b18.3100
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THRDFASTALFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/2flat socket c/s b18.2.1 b18.3150
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THRDFASTALFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/2flat socket c/s b18.2.1 b18.3167
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THRDFASTALFlat Head Socket Cap ScrewSteelPlain1/2-13 x 1 1/2flat socket c/s b18.2.1 b18.375
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THRDFASTMSFlat Head Socket Cap ScrewSteelPlain3/4-10 x 1 1/2flat socket c/s b18.2.1 b18.325
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THRDFASTMSFlat Head Socket Cap ScrewSteelPlain5/8-11 x 1 1/2flat socket c/s b18.2.1 b18.352
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THRDFASTALFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 1 1/2flat socket c/s zin b18.2.1 b18.32035
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All SizeTXFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/23/8-24 x 1 1/2 flat head socket cap b18.2.1 b18.3854
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All SizeTXFlat Head Socket Cap ScrewSteelPlain5/16-24 x 1 1/25/16-24 x 1 1/2 flat head socket cap b18.2.1 b18.339
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All SizeTXFlat Head Socket Cap ScrewSteelPlain5/8-18 x 1 1/25/8-18 x 1 1/2 flat head socket cap b18.2.1 b18.3150
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All SizeTXFlat Head Socket Cap ScrewSteelPlain#10-24 x 1 1/210-24 x 1 1/2 flat head socket cap b18.2.1 b18.3441
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All SizeTXFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 flat head socket cap b18.2.1 b18.328
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All SizeTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/25/8-11 x 1 1/2 flat head socket cap s/s b18.2.1 b18.313
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FACCAOntFlat Head Socket Cap ScrewSteelPlain3/4-10 x 1 1/2hex socket flat head cap screw 3/4-10 unc x 1 1/2 alloy steel quenched & tempered plain finish ansi b18.3-1986 b18.2.1 b18.314,098
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