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1/2 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 5Zinc/Clear1/2-13 x 101/2-13 x 10 h/c dom gr 5 znc b18.2.12
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 101/2-13 x 10 h/c gr 8 pln b18.2.114
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AbabaCAHex Head Cap ScrewGrade 5Black Oxide1/2-13 x 11/2-13 x 1 h/c black luster gr 5 b18.2.160
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 11/2-13 x 1 h/c gr 5 znc b18.2.12889
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 11/2-13 x 1 h/c 316 s/s b18.2.1310
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 11/2-13 x 1 h/c dom gr 8 yel znc b18.2.1889
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-13 x 11/2-13 x 1 h/c gr.9 yel znc b18.2.150
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 h/c s/s b18.2.1200
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 111/2-13 x 11 inch h/c gr 8 pln b18.2.15
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/81/2-13 x 1 1/8 h/c s/s b18.2.111
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 121/2-13 x 12 h/c gr 8 pln b18.2.145
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 1/41/2-13 x 1 1/4 h/c gr 5 znc b18.2.1707
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/41/2-13 x 1 1/4 h/c 316 s/s b18.2.1226
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/41/2-13 x 1 1/4 h/c gr 8 pln b18.2.128
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/41/2-13 x 1 1/4 h/c gr 8 yel znc b18.2.116
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/41/2-13 x 1 1/4 h/c dom gr 8 yel znc b18.2.1459
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 h/c s/s b18.2.1115
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 141/2-13 x 14 h/c gr 8 pln b18.2.16
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/21/2-13 x 1 1/2 h/c 316 s/s b18.2.162
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/21/2-13 x 1 1/2 h/c armor coated gr 8 b18.2.15
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SIIINHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 2 1/21/2-13x2-1/2 grade 2 hex cap screw zinc cr+3 b18.2.11100
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 1/21/2-13 x 4-1/2 grd8 yellow zinc hex cap screw b18.2.145
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 51/2-13 x 5 18-8 stainless steel hex cap screw) b18.2.125
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 71/2-13x7 grd5 hex cap screw/zinc) b18.2.1165
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 71/2-13 x 7 grd8 yellow zinc hex cap screw) b18.2.185
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SIIINHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 21/2-13x2 grade 2 hex cap screw zinc cr+3 b18.2.12
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B & K FASTPAHex Head Cap ScrewAluminumPlain1/2-13 x 1 3/41/2-13 x 1 3/4 hex cap screws aluminum b18.2.1390
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B & K FASTPAHex Head Cap ScrewSilicon BronzePainted1/2-13 x 3/41/2-13 x 3/4 hex cap screws sil bronze b18.2.112
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B & K FASTPAHex Head Cap ScrewBrassPlain1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws brass b18.2.14
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B & K FASTPAHex Head Cap ScrewSilicon BronzePainted1/2-13 x 61/2-13 x 6 hex cap screws sil bronze b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Yellow1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws gr 2 z yellow b18.2.123
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws gr 8 airplane b18.2.121
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws gr 8 z yellow w/drilled head b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws gr 8 z yellow nylon pellet b18.2.138
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Clear1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screws gr 9 (mc12) zinc b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 2 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 5 plain nylon patch b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 1 3/41/2-13 x 1 3/4 hex cap screws gr 5 z yellow b18.2.110
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-13 x 1 3/41/2-13 x 1 3/4 hex cap screws gr 8 z green b18.2.18
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 2 1/41/2-13 x 2 1/4 hex cap screws gr 5 z yellow b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear1/2-13 x 2 1/41/2-13 x 2 1/4 hex cap screws gr 8 zinc b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Clear1/2-13 x 2 1/41/2-13 x 2 1/4 hex cap screws gr 9 (mc12) zinc b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Yellow1/2-13 x 2 1/21/2-13 x 2 1/2 hex cap screws gr 2 z yellow b18.2.111
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 2 1/21/2-13 x 2 1/2 hex cap screws gr 5 z yellow b18.2.16
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B & K FASTPAHex Head Cap ScrewGrade 9Plain1/2-13 x 2 1/21/2-13 x 2 1/2 hex cap screws gr 9 (mc12) plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 2 3/41/2-13 x 2 3/4 hex cap screws gr 5 z yellow b18.2.12
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