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Hex Cap Screws, Steel or Grade 2 (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 
General FMIHex Head Cap ScrewSteelPhosphate7/8-9 x 8 1/27/8-9x8.5 hhcs 8 phos & oil b18.2.18,197
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General FMIHex Head Cap ScrewSteelPhosphate7/8-9 x 17 1/27/8-9x17.5 hhcs 8 phos b18.2.1108
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General FMIHex Head Cap ScrewSteelZinc/Clear3/8-16 x 13/8-16x1 hhcs 8 tn zn per 12469218 b18.2.133,876
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General FMIHex Head Cap ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 1/83/8-16x1.125 hhcs 8 magni driloc 204 b18.2.110,181
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General FMIHex Head Cap ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/4-20 x .51/4-20x.5 hhcs 8 magni 565 b18.2.19,770
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General FMIHex Head Cap ScrewGrade 2Zinc/Clear1/4-20 x 1 1/41/4-20x1.25 hhcs gr2 zn b18.2.13,600
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General FMIHex Head Cap ScrewSteelZinc/Clear3/8-16 x 83/8-16x8 hhcs 5 zn clr triv b18.2.11,795
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General FMIHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 4 3/43/8-16x4.75 hhcs 5 zn ylw b18.2.115,195
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General FMIHex Head Cap ScrewSteelZinc/Clear1/4-20 x 2 1/21/4-20x2.5 hhcs organic/zinc b18.2.132,550
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General FMIHex Head Cap ScrewSteelZinc/Yellow1/2-13 x 3 1/41/2-13x3.25 hhcs 5 zn ylw b18.2.15,705
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General FMIHex Head Cap ScrewSteelZinc/Yellow1/2-13 x 3 3/41/2-13x3.75 hhcs 5 zn ylw b18.2.11,069
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General FMIHex Head Cap ScrewSteelZinc/Yellow1/2-13 x 5 1/21/2-13x5.5 hhcs 5 zn ylw b18.2.1125
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General FMIHex Head Cap ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1.253/8-16x1.25 hhcs 8 f/t magni 565 b18.2.17,060
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General FMIHex Head Cap ScrewSteelZinc/Clearhf 1/2-13x3.25 hhcs 5 f/t zn clr b18.2.115,825
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General FMIHex Head Cap ScrewGrade 2Plain7/16-20 x 3 1/27/16-20 x 3.5 hhcs gr2 gm6174m b18.2.11030
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General FMIHex Head Cap ScrewSteelZinc/Clear3/8-16 x 4 1/43/8-16 x 4.25 hhcs 5.1 sems trivlnt b18.2.143271
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General FMIHex Head Cap ScrewSteelZinc/Clear5/16-24 x 5/85/16-24 x .625 hhcs 5 zn b18.2.11350
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QFCTXHex Head Cap ScrewGrade 2Plain1/4-20 x 1 1/41/4-20x1 1/4 gr2 hex cap plain b18.2.12200
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QFCTXHex Head Cap ScrewGrade 2Plain5/16-18 x 15/16-18x1 hex c/s gr2 plain b18.2.12200
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QFCTXHex Head Cap ScrewGrade 2Plain3/8-16 x 13/8-16x1 hex c/s gr2 plain b18.2.11200
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QFCTXHex Head Cap ScrewGrade 2Plain5/8-11 x 7 1/25/8-11x7 1/2 hex c/s gr2 plain b18.2.137
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QFCTXHex Head Cap ScrewGrade 2Plain5/8-11 x 105/8-11x10 hex c/s gr2 plain b18.2.1210
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QFCTXHex Head Cap ScrewGrade 2Plain5/8-11 x 165/8-11x16 hex c/s gr2 plain b18.2.119
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 1 3/43/4-10x1 3/4 hex c/s gr2 plain b18.2.12160
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 1 1/23/4-10x1 1/2 hex c/s gr2 plain b18.2.1400
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 33/4-10x3 hex c/s gr2 plain b18.2.1100
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 53/4-10x5 hex c/s gr2 plain b18.2.147
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 63/4-10x6 hex c/s gr2 plain b18.2.116
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 43/4-10x4 hex c/s gr2 plain b18.2.150
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 113/4-10x11 hex c/s gr2 plain b18.2.15
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 7 1/23/4-10x7 1/2 hex c/s gr2 plain b18.2.1180
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 83/4-10x8 hex c/s gr2 plain b18.2.134
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 153/4-10x15 hex c/s gr2 plain b18.2.1925
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QFCTXHex Head Cap ScrewGrade 2Plain1/2-13 x 1 3/41/2-13x1 3/4 hex c/s gr2 plain b18.2.12800
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QFCTXHex Head Cap ScrewGrade 2Plain7/8-9 x 6 1/27/8-9x6 1/2 hex c/s gr2 plain b18.2.133
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QFCTXHex Head Cap ScrewGrade 2Plain7/8-9 x 57/8-9x5 hex c/s gr2 plain b18.2.114
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QFCTXHex Head Cap ScrewGrade 2Plain1/2-13 x 41/2-13x4 hex c/s gr2 plain b18.2.1177
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 1gr2 hex c/s b18.2.14,695
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear7/8-9 x 3gr2 hex c/s b18.2.1586
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 4gr2 hex c/s b18.2.1600
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 3 1/4gr2 hex c/s b18.2.1437
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 1gr2 hex c/s b18.2.1350
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THRDFASTALHex Head Cap ScrewGrade 2Plain3/4-10 x 4 1/2gr2 hex c/s b18.2.1264
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THRDFASTALHex Head Cap ScrewGrade 2Plain1/2-13 x 1 1/4gr2 hex c/s b18.2.1 domestic236
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THRDFASTALHex Head Cap ScrewGrade 2Plain3/8-16 x 2 3/4gr2 hex c/s b18.2.1180
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THRDFASTALHex Head Cap ScrewGrade 2Plain7/16-14 x 2gr2 hex c/s b18.2.1170
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THRDFASTALHex Head Cap ScrewGrade 2Plain5/8-11 x 7gr2 hex c/s b18.2.1106
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THRDFASTALHex Head Cap ScrewGrade 2Plain1/2-13 x 12gr2 hex c/s b18.2.1101
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 6gr2 hex c/s b18.2.144
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THRDFASTALHex Head Cap ScrewGrade 2Plain5/8-11 x 1 3/4gr2 hex c/s b18.2.136
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THRDFASTALHex Head Cap ScrewGrade 2Plain5/8-11 x 1 1/4gr2 hex c/s b18.2.1 domestic25
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THRDFASTALHex Head Cap ScrewGrade 2Cadmium1/2-13 x 3gr2 hex c/s b18.2.124
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THRDFASTALHex Head Cap ScrewGrade 2Plain5/8-11 x 2gr2 hex c/s domestic b18.2.124
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THRDFASTALHex Head Cap ScrewGrade 2Plain3/4-10 x 2gr2 hex c/s domestic b18.2.120
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THRDFASTALHex Head Cap ScrewGrade 2Plain3/4-10 x 2 1/4gr2 hex c/s b18.2.114
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THRDFASTALHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 2 3/4gr2 hex c/s b18.2.170
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THRDFASTALHex Head Cap ScrewGrade 2Plain3/8-16 x 1 1/2gr2 hex c/s b18.2.112
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