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1 5/8 inch length Hex Cap Screws (ASME B18. 2.1)

Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHHex Head Cap ScrewGrade 5Zinc/Black1/4-20 x 1 5/81/4-20x1-5/8 hhcs grade 5 stl zinc black w/patch b18.2.1 () () ()72710,000
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 5/81/2-13x1-5/8 hex cap-full thread-grade 8-zinc yellow-cr6 b18.2.1 () () ()5,000
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 5/8(pt) coarse gr8 hex c/s -usa b18.2.125
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/8hex c/s SAE j429 zp asme b18.2.1700
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StandardMAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/81/2-13x1-5/8 hex head cap screw 316 stainless steel b18.2.11425
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StandardMAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 5/83/8-16x1-5/8 hex head cap screw 316 stainless steel b18.2.12250
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QFCTXHex Head Cap ScrewGrade 8Phosphate3/8-16 x 1 5/83/8-16x1 5/8 hex cap screw g8 phos b18.2.11527
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B & K FASTPAHex Head Cap ScrewGrade 8Plain7/16-14 x 1 5/87/16-14 x 1 5/8 hex cap screws gr 8 plain b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 2 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 5 plain nylon patch b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 5/81/2-20 x 1 5/8 hex cap screws gr 8 z yellow b18.2.136
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B & K FASTPAHex Head Cap ScrewGrade 5Plain5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 5 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 8 z yellow b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 5/81/2-20 x 1 5/8 hex cap screws gr 5 zinc b18.2.1280
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 8 zinc b18.2.1103
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 1 5/81/2-13 x 1.625 hhcs gr 8 dorrl b18.2.18300
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KBSTNHex Head Cap ScrewGrade 8Plain3/8-16 x 1 5/83/8-16 x 1 5/8 hex cap/s alloy gr-8 b18.2.13,447
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KBSTNHex Head Cap ScrewGrade 5Plain1/2-13 x 1 5/81/2-13 x 1 5/8 hex c/s w/patch gr 5 b18.2.13,600
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WSBKYHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/8screw hcs 316 1/2-13x1 5/8 b18.2.1389
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