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Hex Cap Screws, Grade B7 (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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GLFOHHex Head Cap ScrewGrade B7Fluoropolymer-Based (Xylan, Fluorokote, Teflon)3/8-16 x 1 1/43/8-16x1-1/4 hhcs b-7 stl teflon b18.2.1 () () ()23,000
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GLFOHHex Head Cap ScrewGrade B7Fluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11 x 3 1/25/8-11x3-1/2 hhcs b-7 stl teflon b18.2.1 () () ()107,000
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AbabaCAHex Head Cap ScrewGrade B7Nickel Plated1/2-13 x 2 1/21/2-13 x 2 1/2 hvy h/c a193-b7 nkl b18.2.11000
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General FMIHex Head Cap ScrewGrade B7Plain1/4-20 x 11/4-20 x 1 hhcs b7 astm a193 b18.2.1310
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OSSCORIHex Head Cap ScrewGrade B7Plain1-8 x 3 1/21-8x3 1/2 hex cap screw b-7 b18.2.13
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OSSCORIHex Head Cap ScrewGrade B7Plain1-8 x 5 1/21-8x5 1/2 hex cap screw b-7 b18.2.110
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OSSCORIHex Head Cap ScrewGrade B7Plain1 1/8-8 x 61 1/8-8x6 hex cap screw b-7 b18.2.110
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OSSCORIHex Head Cap ScrewGrade B7Plain1 1/8-8 x 71 1/8-8x7 hex cap screw b-7 b18.2.116
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OSSCORIHex Head Cap ScrewGrade B7Plain1 1/8-7 x 4 7/81 1/8-7x4 7/8 hex cap screw b-7 b18.2.11
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 193/4-10x19 hex cap screw b-7 b18.2.15
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 33/4-10x3 hex cap screw b-7 b18.2.140
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 3 3/43/4-10x3 3/4 hex cap screw b-7 b18.2.115
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 4 1/43/4-10x4 1/4 hex cap screw b-7 b18.2.170
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 4 1/23/4-10x4 1/2 hex cap screw b-7 b18.2.188
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 83/4-10x8 hex cap screw b-7 b18.2.126
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OSSCORIHex Head Cap ScrewGrade B7Plain3/4-10 x 2 1/23/4-10x2 1/2 hex cap screw b-7 b18.2.164
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OSSCORIHex Head Cap ScrewGrade B7Plain7/8-9 x 4 3/47/8-9x4 3/4 hex cap screw b-7 b18.2.113
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OSSCORIHex Head Cap ScrewGrade B7Plain7/8-9 x 5 1/47/8-9x5-1/4 hex cap screw b-7 b18.2.13
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OSSCORIHex Head Cap ScrewGrade B7Plain7/16-14 x 47/16-14x4 hex cap screw b-7 b18.2.146
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OSSCORIHex Head Cap ScrewGrade B7Plain1/2-13 x 31/2-13x3 hex cap screw b-7 b18.2.11
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OSSCORIHex Head Cap ScrewGrade B7Plain1/2-13 x 21/2-13x2 hex cap screw b-7 b18.2.12
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OSSCORIHex Head Cap ScrewGrade B7Plain1/2-13 x 2 1/21/2-13x2 1/2 hex cap screw b-7 b18.2.11
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OSSCORIHex Head Cap ScrewGrade B7Plain5/8-11 x 1 1/25/8-11x1 1/2 hex cap screw b-7 b18.2.110
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OSSCORIHex Head Cap ScrewGrade B7Plain5/8-11 x 25/8-11x2 hex cap screw b-7 b18.2.134
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