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Hex Cap Screws (ANSI 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.

10426 Hex Head Cap Screw (ansi b18.2.1), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ASMCILHex Head Cap ScrewGrade 5Plain1/4-28 x 5/81/4-28x5/8 (ft) fine gr5 hex cap screw-usa med carb pln b18.2.150
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ASMCILHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 7/81/4-20x7/8 (ft) coarse hex cap screw ss316 b18.2.175
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ASMCILHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1/23/8-16x1/2 (ft) coarse hex cap screw ss316 b18.2.175
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ASMCILHex Head Cap ScrewGrade 8Plain5/16-18 x 3/45/16-18x3/4 (ft) coarse gr8 hex cap screw-usa alloy pln b18.2.1325
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ASMCILHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 7/85/16-24x7/8 (ft) fine gr5 hex cap screw-usa med carb zp b18.2.150
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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 5/83/8-24x5/8 (ft) fine hex cap screw ss18-8 b18.2.1125
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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 21/4-28x2 (pt) fine hex cap screw ss18-8 b18.2.150
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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 2 1/21/4-28x2 1/2 (pt) fine hex cap screw ss18-8 b18.2.175
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ASMCILHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/85/16-18x1 1/8 (ft) coarse hex cap screw ss316 b18.2.125
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ASMCILHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 3/85/16-18x1 3/8 (pt) coarse hex cap screw ss316 b18.2.175
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ASMCILHex Head Cap ScrewGrade 8Plain1/4-28 x 31/4-28x3 (pt) fine gr8 hex cap screw-usa alloy pln b18.2.150
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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20x3 (ft) coarse hex cap screw ss18-8 b18.2.124
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ASMCILHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 2 3/41/4-20x2 3/4 (pt) coarse hex cap screw ss316 b18.2.175
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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/41/4-20x3 1/4 (pt) coarse hex cap screw ss18-8 b18.2.135
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ASMCILHex Head Cap ScrewGrade 8Plain1/4-20 x 31/4-20x3 (pt) coarse gr8 hex cap screw-usa alloy pln b18.2.1600
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ASMCILHex Head Cap ScrewGrade 8Plain1/4-28 x 2 1/21/4-28x2 1/2 (pt) fine gr8 hex cap screw-usa alloy pln b18.2.149
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 1 1/87/16-14x1 1/8 (ft) coarse gr8 hex cap screw-usa alloy yz b18.2.147
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ASMCILHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 2 1/45/16-18x2 1/4 (pt) coarse gr2 hex cap screw low carb zp b18.2.1100
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ASMCILHex Head Cap ScrewGrade 8Plain7/16-20 x 17/16-20x1 (ft) fine gr8 hex cap screw-usa alloy pln b18.2.1350
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ASMCILHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 1 1/23/8-16x1 1/2 (pt) coarse gr2 hex cap screw low carb zp b18.2.1150
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SWACOOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 9 1/21/2-13x9-1/2 hhcs ansi b18.2.1 sae j429 gr8 stl zy usa538
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SWACOOHHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 133/8-16x13 hhcs ansi b18.2.1 sae j429 gr8 stl zy usa2257
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SWACOOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 131/2-13x13 hhcs ansi b18.2.1 sae j429 gr8 stl zy usa461
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SWACOOHHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 141-8x14 hhcs ansi b18.2.1 sae j429 gr8 stl zy usa304
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SWACOOHHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 131-8x13 hhcs ansi b18.2.1 sae j429 gr8 stl zy usa13
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General FMIHex Head Cap ScrewGrade 5Plain3/8-16 x 3 1/203/8-16 x 3.50 hhcs sems con gr 5.1 b18.2.17250
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General FMIHex Head Cap ScrewGrade 8Zinc/Clear5/8-11 x 2 3/45/8-11 x 2.75 hhcs gr8 full thread zn c b18.2.12000
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General FMIHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 29/16-12 x 2 hhcs gr5 zn b18.2.14725
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General FMIHex Head Cap ScrewGrade 8Plain3/4-10 x 8 1/23/4-10 x 8.5 hhcs gr8 alloy b18.2.1510
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General FMIHex Head Cap ScrewGrade 8Plain1-8 x 2 1/41-8 x 2.25 hhcs gr8 alloy b18.2.150
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General FMIHex Head Cap ScrewGrade 8Plain1/4-20 x 21/4-20 x 2 hhcs gr8 zidi bake b18.2.11100
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General FMIHex Head Cap ScrewGrade 8Plain1 1/4-7 x 81-1/4-7 x 8 hhcs gr8 zidi bake b18.2.1150
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General FMIHex Head Cap ScrewGrade 8Zinc/Clear7/8-9 x 77/8-9 x 7 hhcs gr8 zn phos per arm b18.2.1850
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General FMIHex Head Cap ScrewGrade 8Plain3/4-10 x 2 1/203/4-10 x 2.50 hhcs gr 8 zidi w/.172 b18.2.190
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General FMIHex Head Cap ScrewGrade 8Plain5/8-11 x 2 3/45/8-11 x 2.75 hhcs gr8 patch driloc b18.2.15144
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General FMIHex Head Cap ScrewGrade 8Plain5/8-18 x 1 1/25/8-18 x 1.5 hhcs gr8 patch q29 b18.2.1800
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General FMIHex Head Cap ScrewGrade 8Plain7/16-14 x 3 3/47/16-14 x 3.75 hhcs gr8 zidi b18.2.125
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General FMIHex Head Cap ScrewGrade 5Zinc/Clearhf 3/8-16 x 1.375 hhcs gr5 trivalnt b18.2.113783
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 1 3/41/2-13 x 1.75 hhcs gr8 zidi bake b18.2.1180
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 31/2-13 x 3 hhcs gr8 zidi .0002 b18.2.1651
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General FMIHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 1/23/8-16 x 1.5 hhcs gr8 zinc yellow patch b18.2.1220
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General FMIHex Head Cap ScrewGrade 8Plain9/16-18 x 1 3/49/16-18 x 1.75 hhcs gr8 alloy b18.2.1750
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 3 3/41/2-13 x 3.75 hhcs gr8 zidi bake b18.2.150
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General FMIHex Head Cap ScrewGrade 5Zinc/Clear-13 x 4.25 hhcs gr5 zn clr tri b18.2.1245
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General FMIHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 0 3/4hf 5/16-18 x 0.75 hhcs gr2 trivalent b18.2.1258794
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OSSCORIHex Head Cap ScrewSteelPlain1010mx1.0x20 hex cap screw b18.2.110
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OSSCORIHex Head Cap ScrewSteelPlain1010mx1.0x35 hex cap screw b18.2.12
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OSSCORIHex Head Cap ScrewSteelPlain1010mx1.0x25 hex cap screw b18.2.141
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OSSCORIHex Head Cap ScrewSteelPlain1010mx1.0x50 hex cap screw b18.2.198
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OSSCORIHex Head Cap ScrewSteelPlain1212mx1.5x25 hex cap screw b18.2.125
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OSSCORIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 5 1/45/16-18x5-1/4 hex cap screw grade 5 plated b18.2.123
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OSSCORIHex Head Cap ScrewSteelPlainsae cap screw labels (6pg-yellow) b18.2.14
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OSSCORIHex Head Cap ScrewSteelPlainuss cap screw labels (6pg-yellow) b18.2.11
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OSSCORIHex Head Cap ScrewSteelGalvanized1-8 x 121-8x12 hex cap screw h.d.g. b18.2.11
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OSSCORIHex Head Cap ScrewSteelGalvanized1-8 x 161-8x16 hex cap screw h.d.g. b18.2.12
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OSSCORIHex Head Cap ScrewGrade 8Zinc/Clear1-8 x 1 3/41-8x1 3/4 hex cap screw grade 8 plated b18.2.127
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OSSCORIHex Head Cap ScrewGrade 8Zinc/Clear1-8 x 21-8x2 hex cap screw grade 8 plated b18.2.11
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OSSCORIHex Head Cap ScrewSteelGalvanized1-8 x 2 1/21-8x2 1/2 hex cap screw h.d.g. b18.2.179
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OSSCORIHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 2 1/21-8x2 1/2 hex cap screw grade 5 plated b18.2.115
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OSSCORIHex Head Cap ScrewGrade 8Zinc/Clear1-8 x 2 3/41-8x2 3/4 hex cap screw grade 8 plated b18.2.140
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OSSCORIHex Head Cap ScrewGrade 8Zinc/Clear1-8 x 31-8x3 hex cap screw grade 8 plated b18.2.133
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OSSCORIHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 31-8x3 hex cap screw grade 5 plated b18.2.118
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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 2Zinc/Clear1-8 x 41-8x4 hex cap screw grade 2 plated b18.2.116
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OSSCORIHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 41-8x4 hex cap screw grade 5 plated b18.2.120
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