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11 1/2 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 
ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11 1/21/2-13x11 1/2 (pt) unc hex cap screw ss18-8 b18.2.120
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ASMCILHex Head Cap ScrewGrade 5Plain5/8-11 x 11 1/2coarse gr5 hex c/s med carb b18.2.13
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Wink FastVAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 11 1/2316 (a4) ss hex c/s 1/2-13x11-1/2 per asme b18.2.14
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11 1/218.8 (a2) 18-8 304 steel hex c/s 1/2-13x11-1/2 per asme b18.2.1 with 3 of thread362
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 11 1/25/8-11 x 11 1/2 hex cap screws gr 8 z yellow b18.2.116
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 11 1/25/8-11 x 11 1/2 hex cap screws gr 2 zinc b18.2.12
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THRDFASTOKHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 11 1/2gr2 hex c/s b18.2.167
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