FCH News

3/8 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 
AbabaCAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 flat soc cap screw znc b18.2.1 b18.3100
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AbabaCAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 3/43/8-16 x 3/4 flat soc cap screw znc b18.2.1 b18.3285
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 flat soc cap screw s/s b18.2.1 b18.3384
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 13/8-16 x 1 flat soc cap screw alloy b18.2.1 b18.31023
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16 x 1 1/4 flat soc cap screw s/s b18.2.1 b18.348
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/43/8-16 x 1 1/4 flat soc cap screw alloy b18.2.1 b18.3378
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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.)Plain3/8-16 x 1 3/43/8-16 x 1 3/4 flat soc cap screw s/s b18.2.1 b18.32
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 flat soc cap screw alloy b18.2.1 b18.384
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 53/8-16 x 5 flt soc cap alloy b18.2.1 b18.340
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16 x 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 63/8-16 x 6 flt soc cap alloy b18.2.1 b18.332
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AbabaCAFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 3/43/8-16 x 3/4 flt soc cap 316 s/s b18.2.1 b18.3200
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16 x 3/4 flat soc cap screw s/s b18.2.1 b18.3517
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3/43/8-16 x 3/4 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.)Plain3/8-16 x 7/83/8-16 x 7/8 flt soc cap s/s b18.2.1 b18.3437
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 13/8-24 x 1 flat soc cap screw s/s b18.2.1 b18.3102
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 13/8-24 x 1 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.)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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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-16 x 13/8-16x1 flat stl pln b18.2.1 b18.3 () () ()377
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16x1 flat 18-8 s/s b18.2.1 b18.3 () () ()500
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 13/8-16x1 flat stl zc b18.2.1 b18.3 () () ()93
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1/23/8-16x1/2 flat stl pln b18.2.1 b18.3 () () ()40
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16x2-1/2 flat stl pln b18.2.1 b18.3 () () ()77
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3/43/8-16x3/4 flat stl pln b18.2.1 b18.3 () () ()72
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5/83/8-16x5/8 flat stl pln b18.2.1 b18.3 () () ()818
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5/83/8-16x5/8 flat 18-8 s/s b18.2.1 b18.3 () () ()349
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16x1/2 flat 18-8 s/s b18.2.1 b18.3 () () ()73
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-24 x 13/8-24x1 flat stl pln b18.2.1 b18.3 () () ()86
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GLFOHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 23/8-16x2 flat 316 s/s b18.2.1 b18.3 () () ()70
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GLFOHFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 1/43/8-16x1-1/4 flat 316 s/s b18.2.1 b18.3 () () ()290
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GLFOHFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 23/8-16x2 flat 18-8 s/s b18.2.1 b18.3 () () ()64
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GLFOHFlat Head Socket Cap ScrewSteelZinc/Yellow3/8-24 x 23/8-24x2 flat alloy zy b18.2.1 b18.3 () () ()798
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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 ScrewSteelPlain3/8-16 x 5/83/8-16x5/8 flat head-socket b18.2.1 b18.3 () () ()75
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GLFOHFlat Head Socket Cap ScrewSteelPlain3/8-24 x 3/43/8-24x3/4 flat head-socket cap screw-full thread-thermal black oxide b18.2.1 b18.3 () () ()42
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 13/8-16 x 1 flat hd socket cap screw in steel zinc b18.2.1 b18.32191
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black3/8-16 x 13/8-16 x 1 flat socket capscrew alloy steel black zinc triv 2 b18.2.1 b18.3200
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Irwin IndOntFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 3/43/8-16 x 3/4 flat hd soc cap steel black ox b18.2.1 b18.350
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 3/43/8-16 x 3/4 flat socket cap screw alloy steel ztb2 b18.2.1 b18.31322
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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 ScrewSteelZinc/Black3/8 x 1 3/43/8 x 1 3/4 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.31000
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Irwin IndOntFlat Head Socket Cap ScrewSteelZinc/Black3/8 x 23/8 x 2 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.3100
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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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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 13/8-16 x 1 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 1/43/8-16 x 1 1/4 flat soc cap screw s/s b18.2.1 b18.3125
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/43/8-16 x 1 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.)Plain3/8-16 x 1 1/23/8-16 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 ScrewSteelPlain3/8-16 x 53/8-16 x 5 flt soc cap alloy b18.2.1 b18.335
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16 x 1/2 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16 x 3/4 flat soc cap screw s/s b18.2.1 b18.350
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3/43/8-16 x 3/4 flat soc cap screw alloy b18.2.1 b18.3400
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 13/8-24 x 1 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.)Plain3/8-16 x 23/8-16 x 2 flat soc cap screw s/s b18.2.1 b18.3225
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 23/8-16 x 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.)Plain3/8-16 x 2 1/23/8-16 x 2 1/2 flat soc cap screw s/s b18.2.1 b18.360
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16 x 2 1/2 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.)Plain3/8-16 x 33/8-16 x 3 flat soc cap screw s/s b18.2.1 b18.340
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AbabaCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16 x 3 1/2 flat soc cap screw s/s b18.2.1 b18.315
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16 x 3 1/2 flat soc cap screw alloy b18.2.1 b18.330
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AbabaCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 3/43/8-24 x 3/4 flat soc cap screw alloy b18.2.1 b18.375
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Alma BoltMIFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3/43/8-16 x 3/4 flat hd socket cap screw alloy b18.2.1 b18.31240
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 1/23/8-16 x 1/2 black oxide finish flat socket cap screw) b18.2.1 b18.3550
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 5/83/8-16 x 5/8 black oxide finish flat socket cap screw) b18.2.1 b18.3705
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 7/83/8-16 x 7/8 black oxide finish flat socket cap screw) b18.2.1 b18.3250
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SIIINFlat Head Socket Cap ScrewSteelPlain3/8-16 x 13/8-16 x 1 fhscs) b18.2.1 b18.3767
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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 ScrewSteelPlain3/8-16 x 1 3/43/8-16 x 1-3/4 fhscs b18.2.1 b18.3250
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 2 1/43/8-16 x 2-1/4 black oxide finish flat socket cap screw) b18.2.1 b18.3163
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 2 1/23/8-16 x 2-1/2 black oxide finish flat socket cap screw ) b18.2.1 b18.3100
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 43/8-16 x 4 black oxide finish flat socket cap screw ) b18.2.1 b18.3173
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-16 x 53/8-16 x 5 black oxide finish flat socket cap screw) b18.2.1 b18.388
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SIIINFlat Head Socket Cap ScrewSteelBlack Oxide3/8-24 x 13/8-24 x 1 astm f835 hex drive black oxide finish alloy steel flat socket cap screw b18.2.1 b18.350
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SIIINFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/43/8-16 x 1-1/4 fhscs b18.2.1 b18.350
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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 ScrewSteelPlain3/8-16 x 23/8-16x2 flat soc c/s alloy plain b18.2.1 b18.3404
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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 Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 33/8-16x3 flat head soc cap screw 18-8 s/s b18.2.1 b18.36
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16x1/2 flat soc c/s 18-8 b18.2.1 b18.350
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16x3/4 flat soc c/s 18-8 b18.2.1 b18.371
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16x1 flat soc c/s 18-8 b18.2.1 b18.373
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16x1 flat soc c/s 18-8 b18.2.1 b18.3125
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16x1 1/4 flat soc c/s 18-8 b18.2.1 b18.324
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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.)Plain3/8-16 x 1 3/43/8-16x1 3/4 flat soc c/s 18-8 b18.2.1 b18.3384
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 23/8-16x2 flat soc c/s 18-8 b18.2.1 b18.3289
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/43/8-16x2 1/4 flat soc cap screw 18-8 b18.2.1 b18.3430
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QFCTXFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 3/43/8-16x2 3/4 flat soc c/s 18-8 b18.2.1 b18.390
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 3/43/8-16x3/4 flat s/c alloy bright zinc b18.2.1 b18.372
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 13/8-16x1 flat soc c/s alloy bright zinc b18.2.1 b18.3485
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 flat s/c alloy bright zinc b18.2.1 b18.3135
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 23/8-16x2 flat s/c alloy zinc b18.2.1 b18.3256
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QFCTXFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 2 3/43/8-16x2 3/4 flat soc c/s alloy zinc b18.2.1 b18.350
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3/43/8-16 x 3/4 flat hd socket cap screws b18.2.1 b18.3890
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 3/43/8-16 x 3/4 flat hd socket cap screw zinc b18.2.1 b18.326
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 13/8-16 x 1 flat hd socket cap screws b18.2.1 b18.3437
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B & K FASTPAFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 flat hd socket cap screws zinc b18.2.1 b18.37
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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 ScrewSteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 flat hd socket cap screws b18.2.1 b18.3190
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 23/8-16 x 2 flat hd socket cap screws b18.2.1 b18.3150
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/43/8-16 x 2 1/4 flat hd socket cap screws b18.2.1 b18.398
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/23/8-16 x 2 1/2 flat hd socket cap screws b18.2.1 b18.338
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 33/8-16 x 3 flat hd socket cap screws b18.2.1 b18.3352
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16 x 3 1/2 flat hd socket cap screws b18.2.1 b18.3160
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 43/8-16 x 4 flat hd socket cap screws b18.2.1 b18.3160
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 43/8-16 x 4 flat hd socket cap screws domestic b18.2.1 b18.35
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 4 1/23/8-16 x 4 1/2 flat hd socket cap screws b18.2.1 b18.346
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 53/8-16 x 5 flat hd socket cap screws b18.2.1 b18.350
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 63/8-16 x 6 flat hd socket cap screws b18.2.1 b18.36
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 13/8-24 x 1 flat hd socket cap screws b18.2.1 b18.339
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16 x 3/4 flat socket cap screws 18-8 ss b18.2.1 b18.311
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B & K FASTPAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 7/83/8-16 x 7/8 flat socket cap screws 18-8 ss b18.2.1 b18.3100
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Marine FastenersFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 13/8-16x1 flat soc cs 316ss 316ss b18.2.1 b18.36800
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 5/83/8-16x1-5/8 flat socket cs ss b18.2.1 b18.34280
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 13/8-24x1 flat soc cs ss b18.2.1 b18.34350
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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.)Plain3/8-16 x 53/8-16x5 flat soc cs ss b18.2.1 b18.3933
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 33/8-16x3 flat socket cap screw 18-8 ss 10 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.3570
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/43/8-16 x 1 3/4 sckt flat cap scr 18-8 ss 25 per small bag 5 small bags per master pack-generic brand b18.2.1 b18.31825
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16 x 1-1/8 flat socket cs ss b18.2.1 b18.34400
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1cap screw flat socket 3/816x1 alloy steel b18.2.1 b18.380
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow3/8-16 x 1cap screw flat socket 3/816x1 cadmium plated yellow # b18.2.1 b18.333
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 1/4cap screw flat socket 3/816x1-1/4 alloy steelal2m-blr b18.2.1 b18.31875
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/4cap screw flat socket 3/816x1-1/4 stainless steel b18.2.1 b18.3120
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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 ScrewSteelPlain3/8-16 x 1 3/4cap screw flat socket 3/816x1-3/4 alloy steel b18.2.1 b18.325
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 1 3/4cs flat soc 3/816x1-3/4 stainless steel passivated ams qq-p-35 b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 23/8-16x2 flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.3146
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow3/8-16 x 2cap screw flat socket 3/816x2 cadmium plated yellow b18.2.1 b18.393
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2cap screw flat socket 3/816x2 stainless steel b18.2.1 b18.3270
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JET FITTINGCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-16 x 2cap screw flat socket 3/816x2 stainless steel passivated ams qq-p-35 b18.2.1 b18.3100
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 1/2cap screw flat socket 3/816x2-1/2 alloy steel b18.2.1 b18.3190
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2 3/43/8-16x2-3/4 flat hex socket cap screw alloy steel thermal black oxide b18.2.1 b18.3655
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JET FITTINGCAFlat Head Socket Cap ScrewSteelPlain3/8-24 x 1 1/4cap screw flat socket 3/824x1-1/4 alloy steel b18.2.1 b18.3500
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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 ScrewSteelPlain3/8-24 x 2 1/2cap screw flat socket 3/824x2-1/2 alloy steel b18.2.1 b18.322
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WurthOntFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3scr flt soc alloy 3/8-16x3 b18.2.1 b18.325
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WurthOntFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1scr flt soc (18-8) 3/8-16x1 b18.2.1 b18.3300
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JET FITTINGCAFlat Head Socket Cap ScrewSteelZinc/Yellow3/8-24 x 1 3/4cap screw flat socket 3/824x1-3/4 cadmium plated yellow b18.2.1 b18.332
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1/2flat socket c/s b18.2.1 b18.3304
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x1 1/4 flat socket c/s b18.2.1 b18.3148
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x1 flat socket c/s b18.2.1 b18.384
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x1/2 flat socket c/s b18.2.1 b18.367
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/218-8 ss flat socket c/sr b18.2.1 b18.352
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THRDFASTFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain3/8-16 x 3/4t-316 ss flat socket cap b18.2.1 b18.350
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x3/4 flat socket c/s b18.2.1 b18.332
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/418-8 ss flat socket cap b18.2.1 b18.328
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 4flat socket c/s b18.2.1 b18.314
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THRDFASTFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8nf-24x1 18-8 ss flat socket c/s b18.2.1 b18.312
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3flat socket c/s b18.2.1 b18.3 domestic11
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 2flat socket c/s b18.2.1 b18.367
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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 ScrewSteelPlain3/8-16 x 2 1/2flat socket c/s b18.2.1 b18.310
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x2 1/2 flat socket c/s b18.2.1 b18.35
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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1 3/4flat socket c/s b18.2.1 b18.31
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain3/8-16 x 1flat socket c/s b18.2.1 b18.3250
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THRDFASTOKFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3 3/4flat socket c/s b18.2.1 b18.33
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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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THRDFASTFLFlat Head Socket Cap ScrewSteelPlain3/8nf-24x1 1/2 flat socket c/s b18.2.1 b18.357
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