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1 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.

Hex Head Cap Screw (b18.2.1), showing 200, (click on any line for more information)
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AbabaCAHex Head Cap ScrewGrade 8Plain1-8 x 121-8 x 12 h/c gr 8 pln b18.2.16
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 141-8 x 14 h/c s/s b18.2.13
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 1 1/21-8 x 1 1/2 h/c dom gr 8 yel znc b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 21-8 x 2 h/c dom gr 8 yel znc b18.2.157
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 2 1/41-8 x 2 1/4 h/c dom gr 8 yel znc b18.2.111
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 2 1/21-8 x 2 1/2 h/c gr 5 znc b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 2 1/21-8 x 2 1/2 h/c dom gr 8 yel znc b18.2.133
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2 1/21-8 x 2 1/2 h/c s/s b18.2.19
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 2 3/41-8 x 2 3/4 h/c dom gr 8 yel znc b18.2.127
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 31-8 x 3 h/c gr 5 znc b18.2.142
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 31-8 x 3 h/c dom gr 8 yel znc b18.2.162
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 3 1/41-8 x 3 1/4 h/c dom gr 8 yel znc b18.2.12
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 3 1/41-8 x 3 1/4 h/c s/s b18.2.12
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain1-8 x 3 1/21-8 x 3 1/2 h/c 316 s/s b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 3 1/21-8 x 3 1/2 h/c dom gr 8 yel znc b18.2.141
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 41-8 x 4 h/c gr 5 znc b18.2.149
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain1-8 x 41-8 x 4 h/c 316 s/s b18.2.11
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 41-8 x 4 h/c dom gr 8 yel znc b18.2.122
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 4 1/21-8 x 4 1/2 h/c dom gr 8 yel znc b18.2.115
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 4 1/21-8 x 4 1/2 h/c s/s b18.2.113
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 7 1/21-8 x 7-1/2 yellow zinc finish sae j429 grade 8 hex cap screw ) b18.2.12
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 21-8x2 yellow zinc finish sae j429 grade 8 hex cap screw) b18.2.144
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 1 1/41-8 x 1 1/4 hex cap screws gr 5 plain b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 1 1/21-8 x 1 1/2 hex cap screws gr 5 plain b18.2.136
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 1 1/21-8 x 1 1/2 hex cap screws gr 5 zinc b18.2.1152
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1-8 x 1 1/21-8 x 1 1/2 hex cap screws gr 8 plain b18.2.1145
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 1 1/21-8 x 1 1/2 hex cap screws gr 8 z yellow b18.2.13
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 1 3/41-8 x 1 3/4 hex cap screws gr 5 plain b18.2.1238
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 1 3/41-8 x 1 3/4 hex cap screws gr 5 zinc b18.2.110
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 1 3/41-8 x 1 3/4 hex cap screws gr 8 z yellow b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1-8 x 21-8 x 2 hex cap screws gr 2 plain b18.2.192
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 21-8 x 2 hex cap screws gr 5 plain b18.2.111
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 21-8 x 2 hex cap screws gr 5 zinc b18.2.1243
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1-8 x 21-8 x 2 hex cap screws gr 8 plain b18.2.1154
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1-8 x 2 1/41-8 x 2 1/4 hex cap screws gr 2 plain b18.2.116
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 2 1/41-8 x 2 1/4 hex cap screws gr 5 plain b18.2.133
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1-8 x 2 1/21-8 x 2 1/2 hex cap screws gr 2 plain b18.2.1229
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 2 1/21-8 x 2 1/2 hex cap screws gr 5 plain b18.2.18
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 2 1/21-8 x 2 1/2 hex cap screws gr 5 zinc domestic b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1-8 x 2 1/21-8 x 2 1/2 hex cap screws gr 8 plain b18.2.13
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1-8 x 2 3/41-8 x 2 3/4 hex cap screws gr 2 plain b18.2.1133
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1-8 x 2 3/41-8 x 2 3/4 hex cap screws gr 5 plain b18.2.188
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