FCH News

1/4 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 flat 18-8 s/s b18.2.1 b18.3 () () ()1003
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20x1 flat stl pln b18.2.1 b18.3 () () ()2095
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()1300
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1/21/4-20x1/2 flat stl pln b18.2.1 b18.3 () () ()1476
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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 () () ()275
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20x5/8 flat 18-8 s/s b18.2.1 b18.3 () () ()3936
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20x5/8 flat stl pln b18.2.1 b18.3 () () ()362
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GLFOHFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20x1-1/4 flat stl pln b18.2.1 b18.3 () () ()236
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GLFOHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1 1/41/4-20x1-1/4 flat 316 s/s b18.2.1 b18.3 () () ()192
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 5/81/4-20 x 5/8 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.33992
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 1/21/4-20 x 1/2 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.33540
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 3/41/4-20 x 3/4 flat socket cap alloy steel plated gm6174 b18.2.1 b18.31100
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Irwin IndOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 fhcs in 18.8 s/s b18.2.1 b18.3 300
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 7/81/4-20 x 7/8 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.34026
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 1 1/41/4-20 x 1 1/4 flt soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.3900
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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 b18.3409
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black1/4-20 x 1 3/41/4-20 x 1 3/4 flt soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.31000
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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 Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 7/81/4-28 x 7/8 flat socket capscrew ss b18.2.1 b18.354
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear1/4-28 x 5/81/4-28 x 5/8 flat head socket alloy steel plated gm 6174 b18.2.1 b18.3700
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20 x 3/4 flat socket capscrew b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 flat soc cap screw s/s b18.2.1 b18.3850
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20 x 1 flat soc cap screw alloy b18.2.1 b18.3285
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 flat soc cap screw s/s b18.2.1 b18.32487
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.31108
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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.)Plain1/4-20 x 1 3/41/4-20 x 1 3/4 flat soc cap screw s/s b18.2.1 b18.369
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 3/41/4-20 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.3350
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 flat soc cap screw s/s b18.2.1 b18.3172
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 21/4-20 x 2 flat soc cap screw alloy b18.2.1 b18.3651
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/41/4-20 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.3177
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/41/4-20 x 2 1/4 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.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 flat soc cap screw s/s b18.2.1 b18.31056
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/21/4-20 x 2 1/2 flat soc cap screw alloy b18.2.1 b18.384
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 3/41/4-20 x 2 3/4 flt soc cap s/s b18.2.1 b18.314
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 flt soc cap s/s b18.2.1 b18.3240
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 31/4-20 x 3 flat soc cap screw alloy b18.2.1 b18.3742
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3 3/81/4-20 x 3 3/8 flt soc cap full thread alloy b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20 x 3 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.)Plain1/4-20 x 3/81/4-20 x 3/8 flat soc cap screw s/s b18.2.1 b18.3120
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear1/4-20 x 5/81/4-20x5/8 flt hd soc cap zinc 3m scotch grip b18.2.1 b18.33500
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Irwin IndOntFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20 x 5/8 flt hd soc cap steel pain black b18.2.1 b18.3300
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ASMCILFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20x3/4 coarse socket flat hd cap screw-usa alloy pln b18.2.1 b18.336
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ASMCILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/4fine socket flat hd c/s ss18-8 b18.2.1 b18.375
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 flat soc cap screw s/s b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20 x 1 flat soc cap screw alloy b18.2.1 b18.3400
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 flat soc cap screw s/s b18.2.1 b18.3250
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.3300
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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 ScrewSteelPlain1/4-20 x 1 3/41/4-20 x 1 3/4 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.)Plain1/4-20 x 21/4-20 x 2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 21/4-20 x 2 flat soc cap screw alloy b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/41/4-20 x 2 1/4 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.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 flat soc cap screw s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 flt soc cap s/s b18.2.1 b18.325
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 31/4-20 x 3 flat soc cap screw alloy b18.2.1 b18.375
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20 x 3/8 flat soc cap screw s/s b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/81/4-20 x 3/8 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.)Plain1/4-20 x 41/4-20 x 4 flt soc cap s/s b18.2.1 b18.316
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 flat soc cap screw s/s b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20 x 5/8 flat soc cap screw s/s b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20 x 5/8 flat soc cap screw alloy b18.2.1 b18.3300
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AbabaCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 3/41/4-20 x 3/4 flt soc cap 316 s/s b18.2.1 b18.325
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20x1 (ft) flat nylon-patch thermal plain b18.2.1 b18.37500
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SIIINFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 fhscs s/s) b18.2.1 b18.3100
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide1/4-20 x 3/81/4-20 x 3/8 black oxide finish alloy steel flat socket cap screw b18.2.1 b18.31400
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1/21/4-20x1/2 fhscs) b18.2.1 b18.31050
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20x5/8 fhscs) b18.2.1 b18.32600
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20x3/4 fhscs) b18.2.1 b18.32154
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20 x 1 flat head socket cap screw b18.2.1 b18.32967
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20 x 1-1/4 fhscs) b18.2.1 b18.31200
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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 ScrewSteelPlain1/4-20 x 1 3/41/4-20x1-3/4 fhscs) b18.2.1 b18.31700
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 21/4-20 x 2 fhscs plain) b18.2.1 b18.3525
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/41/4-20 x 2-1/4 flat head socket cap screw b18.2.1 b18.3100
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/21/4-20 x 2-1/2 fhscs) b18.2.1 b18.3900
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 7/81/4-20x7/8 fhscs) b18.2.1 b18.31300
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SIIINFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20 x 1 6-lobe flat head flooring screw) b18.2.1 b18.32000
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4 x 1/21/4x1/2nc flat skt cap screw (s) b18.2.1 b18.3127
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1/21/4-28x1/2 flat soc c/s alloy plain b18.2.1 b18.368
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20x3/4 flat soc c/s plain alloy b18.2.1 b18.31128
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20x3/4 flat soc c/s plain alloy b18.2.1 b18.350
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4 x 11/4x1nc flat soc c/s plain b18.2.1 b18.325
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QFCTXFlat Head Socket Cap ScrewSteelPlain1/4-20 x 2 1/21/4-20x2 1/2 flat soc c/s plain b18.2.1 b18.32
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 flat head socket cap screw ss b18.2.1 b18.315
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20x2 flat soc cap screw 18-8 s/s b18.2.1 b18.351
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 flat soc cap screw 18-8 s/s b18.2.1 b18.3400
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 flat head socket cap screw 18-8 s/s steel domestic b18.2.1 b18.3840
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 flat hdhd hex skt sec pin w/1787134 antiseize 18-8 b18.2.1 b18.3450
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20x3 flat head hex socket cap 18-8 ss domestic b18.2.1 b18.360
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 socket tamper res flat head cap screw 18-8 s/s steel b18.2.1 b18.3225
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20x2 1/2 flat head hex socket machine screw 18-8 s/s steel b18.2.1 b18.3525
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20x2 1/2 flat head hex socket machine screw 18-8 s/s steel b18.2.1 b18.342
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 flat soc c/s 18-8 b18.2.1 b18.3193
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 flat soc c/s 18-8 b18.2.1 b18.3200
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 flat soc c/s 18-8 b18.2.1 b18.3364
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 flat soc c/s 18-8 b18.2.1 b18.3200
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 flat soc c/s 18-8 b18.2.1 b18.370
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/81/4-20 x 3/8 flat hd socket cap screws b18.2.1 b18.33824
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20 x 3/4 flat hd socket cap screws b18.2.1 b18.35219
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 11/4-20 x 1 flat hd socket cap screws b18.2.1 b18.3961
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20 x 1 1/4 flat hd socket cap screws b18.2.1 b18.31343
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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 ScrewSteelPlain1/4-20 x 1 3/41/4-20 x 1 3/4 flat hd socket cap screws b18.2.1 b18.3815
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3 1/21/4-20 x 3 1/2 flat hd socket cap screw b18.2.1 b18.3178
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 41/4-20 x 4 flat hd socket cap screws b18.2.1 b18.350
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 3/81/4-28 x 3/8 flat hd socket cap screws b18.2.1 b18.3327
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 5/81/4-28 x 5/8 flat hd socket cap screws b18.2.1 b18.3277
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1 3/41/4-28 x 1 3/4 flat hd socket cap screws full thread b18.2.1 b18.31
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20 x 3/8 flat socket cap screws 18-8 ss b18.2.1 b18.328
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 flat socket cap screws 18-8 ss b18.2.1 b18.3383
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20 x 5/8 flat socket cap screws 18-8 ss b18.2.1 b18.392
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20 x 3/4 flat socket cap screws 18-8 ss b18.2.1 b18.3158
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 7/81/4-20 x 7/8 flat socket cap screws 18-8 ss b18.2.1 b18.3474
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 flat socket cap screws 18-8 ss b18.2.1 b18.3313
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 flat socket cap screw 18-8 ss b18.2.1 b18.3100
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 3/41/4-20 x 1 3/4 flat socket cap screws 18-8 ss b18.2.1 b18.327
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 flat socket cap screws 18-8 ss b18.2.1 b18.38
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JET FITTINGCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 2cap screw flat hex socket 1/4-20x2 stainless steel 316 b18.2.1 b18.350
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JET FITTINGCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain1/4-20 x 3cap screw flat hex socket 1/4-20x3 stainless steel 316 b18.2.1 b18.375
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/81/4-20x3/8 flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.358
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1/21/4-20x1/2 flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.310800
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 5/81/4-20x5/8 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.31500
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 3/41/4-20x3/4 flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.3300
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1cap screw flat socket 1/4-20x1 stainless steel b18.2.1 b18.3157
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/41/4-20x1-1/4 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.3900
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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 ScrewSteelPlain1/4-20 x 1 3/4cap screw flat socket 1/420x1-3/4 alloy steel b18.2.1 b18.354
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 1/21/4-28x1/2 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.32000
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-28 x 5/81/4-28x5/8 (ft) flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.32500
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 5/8cap screw flat socket 1/428x5/8 stainless steel b18.2.1 b18.31061
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow1/4-28 x 3/4cap screw flat socket 1/428x3/4 cadmium plated yellow b18.2.1 b18.3800
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Clear1/4-28 x 3/4cap screw flat socket 1/428x3/4 alloy steelsteel zinc plated b18.2.1 b18.31500
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 3/4cap screw flat socket 1/428x3/4 stainless steel b18.2.1 b18.3450
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow1/4-28 x 1cap screw flat socket 1/428x1 cadmium plated yellow b18.2.1 b18.3643
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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 ScrewSteelPlain1/4-20 x 1scr flt soc alloy 1/4-20x1 b18.2.1 b18.3654
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain1/4-20 x 1 1/4cap screw flat socket 1/420x1-1/4 alloy steel patch lock b18.2.1 b18.3300
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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/Yellow1/4-28 x 7/8cap screw flat socket 1/428x7/8 cadmium plated yellow b18.2.1 b18.3950
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1cap screw flat socket 1/428x1 stainless steel b18.2.1 b18.367
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1 1/4cap screw flat socket 1/428x1-1/4 stainless steel b18.2.1 b18.354
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow1/4-28 x 1 3/4cap screw flat socket 1/428x1-3/4 cadmium plated yellow b18.2.1 b18.3100
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