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3 inch length 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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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/Yellow1-14 x 31-14 x 3 h/c dom gr 8 yel znc b18.2.11
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1 1/8-7 x 31 1/8-7 x 3 h/c gr 5 znc b18.2.14
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1 1/8-7 x 31 1/8-7 x 3 h/c dom gr 8 yel znc b18.2.14
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AbabaCAHex Head Cap ScrewGrade 8Plain1 1/4-12 x 31 1/4-12 x 3 h/c gr 8 pln b18.2.11
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AbabaCAHex Head Cap ScrewGrade 5Plain1 1/2-6 x 31 1/2-6 x 3 h/c gr 5 pln b18.2.17
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AbabaCAHex Head Cap ScrewGrade 8Plain1 1/2-6 x 31 1/2-6 x 3 h/c gr 8 pln b18.2.15
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 31/4-20 x 3 h/c gr 5 znc b18.2.1777
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 31/4-20 x 3 h/c dom gr 8 yel znc b18.2.1755
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 h/c s/s b18.2.1475
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 31/4-28 x 3 h/c dom gr 8 yel znc b18.2.188
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 35/16-18 x 3 h/c gr 5 znc b18.2.1231
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 35/16-18 x 3 h/c 316 s/s b18.2.175
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 35/16-18 x 3 h/c dom gr 8 yel znc b18.2.1425
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AbabaCAHex Head Cap ScrewBrassPlain5/16-18 x 35/16-18 x 3 h/c brass b18.2.134
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 35/16-18 x 3 h/c s/s b18.2.1175
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 35/16-24 x 3 h/c dom gr 8 yel znc b18.2.164
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 33/8-16 x 3 h/c gr 5 znc b18.2.1254
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 33/8-16 x 3 h/c 316 s/s b18.2.1127
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 18-8 stainless steel hex cap screw) b18.2.1250
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 35/8-11 x 3 18-8 stainless steel hex cap screw) b18.2.120
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 33/4-10 x 3 18-8 stainless steel hex cap screw) b18.2.125
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B & K FASTPAHex Head Cap ScrewAluminumPlain3/8-16 x 33/8-16 x 3 hex cap screws aluminum b18.2.16
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B & K FASTPAHex Head Cap ScrewGrade 2Plain7/16-20 x 37/16-20 x 3 hex cap screws gr 2 plain b18.2.135
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B & K FASTPAHex Head Cap ScrewGrade 8Plain7/16-20 x 37/16-20 x 3 hex cap screws gr 8 plain b18.2.125
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Yellow1/2-13 x 31/2-13 x 3 hex cap screws gr 2 z yellow b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-13 x 31/2-13 x 3 hex cap screws gr 5 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-20 x 31/2-20 x 3 hex cap screws gr 5 z yellow b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-20 x 31/2-20 x 3 hex cap screws gr 8 plain b18.2.1517
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Clear1/2-20 x 31/2-20 x 3 hex cap screws gr 9 (mc12) zinc b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 5Plain9/16-12 x 39/16-12 x 3 hex cap screws gr 5 plain b18.2.11611
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 39/16-12 x 3 hex cap screws gr 5 zinc b18.2.1340
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B & K FASTPAHex Head Cap ScrewGrade 8Plain9/16-12 x 39/16-12 x 3 hex cap screws gr 8 plain b18.2.1556
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 39/16-12 x 3 hex cap screws gr 8 z yellow b18.2.1654
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear9/16-18 x 39/16-18 x 3 hex cap screws gr 5 zinc b18.2.137
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B & K FASTPAHex Head Cap ScrewGrade 8Plain9/16-18 x 39/16-18 x 3 hex cap screws gr 8 plain b18.2.1161
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Yellow9/16-18 x 39/16-18 x 3 hex cap screws gr 9 (mc12) z yellow b18.2.136
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B & K FASTPAHex Head Cap ScrewGrade 9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)5/8-11 x 35/8-11 x 3 hex cap screws gr 9 dacro b18.2.126
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Yellow5/8-11 x 35/8-11 x 3 hex cap screws gr 9 (mc12) z yellow b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 2Plain5/8-18 x 35/8-18 x 3 hex cap screws gr 2 plain b18.2.190
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B & K FASTPAHex Head Cap ScrewGrade 5Plain5/8-18 x 35/8-18 x 3 hex cap screws gr 5 plain b18.2.1119
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 35/8-18 x 3 hex cap screws gr 5 zinc b18.2.195
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