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1 1/8 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 1 1/83/8-24 unf x 1 1/8 hhcs grade 8 zinc dichromate b18.2.1400
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/81/4-20x1-1/8 hhcs 18-8 s/s b18.2.1 () () ()238
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16x1-1/8 hhcs 18-8 s/s b18.2.1 () () ()77
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/85/16-18x1-1/8 hhcs 18-8 s/s b18.2.1 () () ()103
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GLFOHHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 1/83/8-16x1-1/8 hhcs 316 s/s b18.2.1 () () ()9
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GLFOHHex Head Cap ScrewGrade 5Cadmium/Yellow3/8-24 x 1 1/8ms90726-61 b18.2.1 () () ()171
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BIG BOLTILHex Head Cap ScrewGrade BPlain3/4-10 x 1 1/8bolt & c/s heavy h/b (b7 b8 a307b etc.)b18.2.14000
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AbabaCAHex Head Cap ScrewGrade 8Plain1/4-20 x 1 1/81/4-20 x 1 1/8 h/c dom gr 8 pln b18.2.11759
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20 x 1 1/87/16-20 x 1 1/8 hex cap s/s b18.2.110
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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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ASMCILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/8(ft) coarse hex c/s ss18-8 b18.2.1450
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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 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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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/8hex c/s SAE j429 zp asme b18.2.11,000
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 1 1/8hex c/s SAE j429 zp asme b18.2.1700
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EximS'poreHex Head Cap ScrewBrassNickel Plated#1/4-20 x 1 1/8screw hex c/s headbrass nickel unc 2a# 1/4-20 x 1-1/8 in b18.2.11045
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EximS'poreHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#5/16-18 x 1 1/8screw hex head capstainless steel 304 passivated#5/16-18 unc x 1 1/8 in asme b18.2.1 b18.2.15000
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Wink FastVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/818.8 (a2) 18-8 304 steel hex cap screw 1/4-20x1-1/8 per asme b18.2.12055
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IPCVAHex Head Cap ScrewGrade 5Plain1/2-13 x 1 1/81/2-13x1 1/8 hex cap screw grade 5 steel asme b18.2.1 saej4291,072
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StandardMAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/85/16-18x1-1/8 hex cap screw 18-8 stainless steel b18.2.11710
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StandardMAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/81/2-13x1-1/8 hex cap screw 18-8 stainless steel b18.2.12600
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StandardMAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/81/4-20x1-1/8 hex cap screw 18-8 stainless steel b18.2.1401
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 1/81/2-20 x 1 1/8 hex cap screws gr 5 zinc b18.2.142
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 1/81/2-20 x 1 1/8 hex cap screws gr 8 z yellow b18.2.1649
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General FMIHex Head Cap ScrewGrade 8Plain5/8-11 x 1 1/85/8-11x1.125 hhcs gr8 zidi .0002 b18.2.135
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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 ScrewGrade 5Plain3/8-16 x 1 1/83/8-16x1.125 hhcs gr5 b18.2.12,400
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General FMIHex Head Cap ScrewSteelZinc/Yellow1/2-13 x 1 1/81/2-13x1.125 hhcs 5 zn ylw b18.2.12000
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/81/2-13 x 1.125 hhcs gr8 patch q29 b18.2.12232
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/81/2-13 x 1.125 hhcs gr8 b18.2.16000
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General FMIHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 1 1/83/8-16 x 1.125 hhcs 5 zn ylw b18.2.12849
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General FMIHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/83/8-16 x 1.125 hhcs gr5 zn b18.2.11600
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear7/16-20 x 1 1/87/16-20 x 1 1/8 hex cap screw gr 5 zinc b18.2.11540
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 1/83/8-16x1 1/8 hex c/s gr8 y/zinc b18.2.170
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Bostwick INHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/81/2-13 x 1 1/8 hex cap screw gr 8 b18.2.1490
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Bostwick INHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/85/16-18 x 1 1/8 hex cap screw gr 5 zinc b18.2.1763
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Bostwick INHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 1 1/87/16-14 x 1 1/8 hex cap screw gr 5 zinc b18.2.153
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 1/81/2-13 x 1-1/8 hex cap screw grade 5 (sae j429) coarse zinc b18.2.150
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 1/81/4-20 x 1-1/8 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1206
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/83/8-16 x 1-1/8 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1200
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/85/16-18 x 1-1/8 hex cap screw grade 5 (sae j429) coarse zinc b18.2.11000
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 1 1/87/16-14 x 1-1/8 hex cap screw grade 5 (sae j429) coarse zinc b18.2.151
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/81/2-13 x 1-1/8 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 1 1/81/4-20 x 1-1/8 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.11888
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 1/83/8-16 x 1-1/8 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.1485
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/85/16-18 x 1-1/8 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 1 1/87/16-14 x 1-1/8 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.1inquire
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THRDFASTFLHex Head Cap ScrewGrade 8Plain1/2-13 x 1 1/8gr8 hex c/s b18.2.138
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THRDFASTTNHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 1/8gr5 hex c/s b18.2.1141
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KBSTNHex Head Cap ScrewGrade 5Plain3/8-16 x 1 1/83/8-16 x 1-1/8 hex c/s w/patch gr 5 b18.2.12,000
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KBSTNHex Head Cap ScrewGrade 5Plain7/16-14 x 1 1/87/16-14 x 1-1/8 hex c/s w/patch gr 5 b18.2.11,124
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THRDFASTALHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/8t-316 ss hex c/s b18.2.1111
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WSBKYHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/8screw hcs (316) (pl) 1/2-13x1 1/8 b18.2.1506
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