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Hex Cap Screws, Superalloy (Inconel, Hastelloy, Alloy 20) (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 
GLFOHHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-13 x 2 1/41/2-13x2-1/4 hhcs 17-4 ph s/s b18.2.1 () () ()25
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-13 x 1hex c/s b18.2.177
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/4-20 x 3hex c/s b18.2.136
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/4-20 x 1hex c/s b18.2.143
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain7/8-9 x 3 3/4hex c/s b18.2.115
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain7/8-9 x 4hex c/s b18.2.18
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/16-18 x 1 1/2hex c/s b18.2.16
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain7/8-9 x 5hex c/s b18.2.19
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/8-16 x 1hex c/s b18.2.14
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THRDFASTFLHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/4-20 x 2 1/2hex c/s b18.2.11
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THRDFASTALHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/8-16 x 2 1/2hex c/s b18.2.1115
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THRDFASTALHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/4-10 x 2 1/2hastelloy c hex c/s b18.2.15
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