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2 3/4 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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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 20bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.140
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 18bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.150
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 12bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.175
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 20bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.175
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 18bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.1100
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 14bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.1150
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 12bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.1100
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BIG BOLTILHex Head Cap ScrewGrade BPlain2 3/4-4 x 14bolt & c/s heavy h/b (b7 b8 a307b etc.)hvyhex b18.2.150
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.180
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.110
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.120
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