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4 3/4 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 
BHAMALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 4 3/43/8-16x4 3/4 hex c/s 300 ser ss b18.2.16
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BHAMALHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10x4 3/4 hex c/s grade 8 yel zn b18.2.113
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BHAMALHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 4 3/47/8-9x4 3/4 hex c/s grade 8 yel zn b18.2.19
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/41/2-13 x 4 3/4 h/c gr 8 yel znc b18.2.15
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/45/8-11 x 4 3/4 h/c gr 8 yellow zinc b18.2.152
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/41/2-13x4-3/4 hhcs grade 5 stl zc b18.2.1 () () ()75
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 4 3/43/4-10x4-3/4 hhcs 18-8 s/s b18.2.1 () () ()2
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10x4-3/4 hhcs grade 8 stl zy b18.2.1 () () ()56
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/41/2-13x4-3/4 hhcs grade 8 stl zy b18.2.1 () () ()75
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GLFOHHex Head Cap ScrewGrade 8Plain1/2-13 x 4 3/41/2-13x4-3/4 hhcs grade 8 stl pln b18.2.1 () () ()19
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GLFOHHex Head Cap ScrewGrade 5Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)7/8-9 x 4 3/47/8-9x4-3/4 hhcs grade 5 stl geomet b18.2.1 () () ()16
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 3/43/8-16x4-3/4 hhcs grade 5 stl zc b18.2.1 () () ()276
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/45/8-11x4-3/4 hhcs grade 8 zy b18.2.1 () () ()1515
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/41/2-13x4-3/4 hhcs grade 8 stl zy domestic b18.2.1 () () ()97
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Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Clear1/2-13 x 4 3/41/2-13x4 3/4 unc grade 8 hhcs zinc dich b18.2.175
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/4(pt) coarse gr8 hex c/s -usa b18.2.123
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10 x 4 3/4 h/c gr 8 yellow zinc b18.2.15
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 3/4hex c/s SAE j429 zp asme b18.2.1280
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/4hex c/s SAE j429 zp asme b18.2.1150
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 4 3/4hex c/s SAE j429 zp asme b18.2.1100
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/4hex c/s SAE j429 zp asme b18.2.160
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear7/8-9 x 4 3/4hex c/s SAE j429 zp asme b18.2.145
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 4 3/4hex c/s SAE j429 zp asme b18.2.135
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 4 3/4hex c/s SAE j429 zp asme b18.2.115
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XL ScrewGAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/4hex c/s SAE j429 zyd asme b18.2.1150
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XL ScrewGAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 4 3/4hex c/s SAE j429 zyd asme b18.2.1280
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BIG BOLTILHex Head Cap ScrewGrade 5Plain7/8-14 x 4 3/4bolt & c/s hex str/b (a325 a490 )b18.2.11800
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 4 3/43/8-16x4 3/4 hex cap sc a2 (18-8) 400165 b18.2.1152
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StandardMAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 4 3/43/8-16x4-3/4 hex cap screw 18-8 stainless steel b18.2.11225
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QFCTXHex Head Cap ScrewSteelGalvanized3/4-10 x 4 3/43/4-10x4-3/4 a325 hvy hex bolt hdg domestic rocap b18.2.187
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 3/43/8-16x4 3/4 hex c/s gr5 zinc b18.2.1157
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 3/43/8-16x4 3/4 hex c/s gr5 zinc b18.2.110
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/41/2-13x4 3/4 hex c/s gr5 zinc b18.2.115
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CascadeORHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/4hex c/s grad 5 b18.2.12800
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B & K FASTPAHex Head Cap ScrewGrade 5Plain7/16-14 x 4 3/47/16-14 x 4 3/4 hex cap screws gr 5 plain b18.2.115
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 4 3/47/16-20 x 4 3/4 hex cap screws gr 8 z yellow b18.2.124
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B & K FASTPAHex Head Cap ScrewGrade 2Plain5/8-11 x 4 3/45/8-11 x 4 3/4 hex cap screws gr 2 plain b18.2.128
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 4 3/45/8-11 x 4 3/4 hex cap screws gr 5 zinc b18.2.1171
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B & K FASTPAHex Head Cap ScrewGrade 2Plain7/8-9 x 4 3/47/8-9 x 4 3/4 hex cap screws gr 2 plain b18.2.16
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear1-8 x 4 3/41-8 x 4 3/4 hex cap screws gr 8 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1 1/8-7 x 4 3/41 1/8-7 x 4 3/4 hex cap screws gr 5 plain b18.2.125
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear1 1/4-7 x 4 3/41 1/4-7 x 4 3/4 hex cap screws gr 2 zinc b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-7 x 4 3/41 1/4-7 x 4 3/4 hex cap screws gr 8 z yellow b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-13 x 4 3/41/2-13 x 4 3/4 hex cap screws gr 8 plain b18.2.13
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/41/2-13 x 4 3/4 hex cap screws gr 8 z yellow b18.2.115
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B & K FASTPAHex Head Cap ScrewGrade 8Plain5/8-18 x 4 3/45/8-18 x 4 3/4 hex cap screws gr 8 plain b18.2.140
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B & K FASTPAHex Head Cap ScrewGrade 8Plain3/4-10 x 4 3/43/4-10 x 4 3/4 hex cap screws gr 8 plain b18.2.146
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10 x 4 3/4 hex cap screws gr 8 z yellow b18.2.1123
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B & K FASTPAHex Head Cap ScrewGrade 5Plain7/8-14 x 4 3/47/8-14 x 4 3/4 hex cap screws gr 5 plain b18.2.147
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 4 3/41-8 x 4 3/4 hex cap screws gr 5 zinc b18.2.121
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 4 3/41-8x4-3/4 hex head cs ss f593d b18.2.1668
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 4 3/41/4-20x4 3/4 hex head cs ss f593c b18.2.13950
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 4 3/43/4-10x4-3/4 hex head cs ss f593d b18.2.1435
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 4 3/45/8-11x4 3/4 hex head cs ss f593c b18.2.1228
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OSSCORIHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/43/4-10x4 3/4 hex cap screw grade 5 plated b18.2.14
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OSSCORIHex Head Cap ScrewGrade B7Plain7/8-9 x 4 3/47/8-9x4 3/4 hex cap screw b-7 b18.2.113
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OSSCORIHex Head Cap ScrewGrade 8Plain5/8-11 x 4 3/45/8-11x4 3/4 hex cap screw grade 8 b18.2.16
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QFCTXHex Head Cap ScrewGrade 5Plain1/4-20 x 4 3/41/4-20 x 4 3/4 hex cap screw gr 5 b18.2.11828
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QFCTXHex Head Cap ScrewGrade 5Plain1/2-13 x 4 3/41/2-13 x 4 3/4 hex cap screw gr 5 copper b18.2.112
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QFCTXHex Head Cap ScrewSteelGalvanized1-8 x 4 3/41-8 x 4-3/4 hvy hex bolt a325 hdg domestic rocap b18.2.134
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 4 3/43/8-16x4 3/4 hex c/s gr8 y/zinc b18.2.110
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 4 3/45/8-11x4 3/4 hex c/s gr5 zinc b18.2.155
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/45/8-11x4 3/4 hex c/s gr8 y/zinc b18.2.124
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10x4 3/4 hex c/s gr8 y/zinc b18.2.119
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Bostwick INHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/43/4-10 x 4 3/4 hex cap screw gr 5 zinc b18.2.1113
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Bostwick INHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 4 3/41-8 x 4 3/4 hex cap screw gr 5 zinc b18.2.120
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Bostwick INHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 4 3/47/8-9 x 4 3/4 hex cap screw gr 8 zinc/yellow b18.2.126
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Bostwick INHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/41/2-13 x 4 3/4 hex cap screw gr 5 zinc b18.2.144
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Mid-ValleyCAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 4 3/4hex head cap screw b18.2.1inquire
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APIIAHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/4screw hhc p/t gr5 zncl ansi b18.2.1483
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 4 3/41/2-13 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1116
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/43/4-10 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 3/43/8-16 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.194
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 4 3/45/8-11 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear7/8-9 x 4 3/47/8-9 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-7 x 4 3/41-1/4-7 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.11
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/41/2-13 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.125
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/43/4-10 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.151
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 4 3/43/8-16 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.176
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/45/8-11 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow usa /canada b18.2.170
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/45/8-11 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow (import) b18.2.1202
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 4 3/47/16-14 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 4 3/47/8-9 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow usa /canada b18.2.132
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 4 3/47/8-9 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow (import) b18.2.147
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Pac FasTXHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 4 3/41-8 x 4-3/4 hex cap screw grade 5 (sae j429) coarse zinc b18.2.1inquire
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Pac FasTXHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 4 3/41-8 x 4-3/4 hex cap screw grade 8 (sae j429) coarse zinc yellow b18.2.115
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THRDFASTFLHex Head Cap ScrewGrade 5Plain5/8-11 x 4 3/4gr5 hex c/s b18.2.12
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THRDFASTOKHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 4 3/4gr8 hex c/s z&y b18.2.160
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THRDFASTOKHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 4 3/4gr8 hex c/s z&y b18.2.128
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THRDFASTALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 4 3/418-8 ss hex c/s b18.2.1600
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THRDFASTMSHex Head Cap Screw316, 317, A4 StainlessPlain3/4-10 x 4 3/4t-316 ss hex c/s b18.2.124
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KBSTNHex Head Cap ScrewGrade 8Plain3/8-16 x 4 3/43/8-16 x 4 3/4 hex cap/s alloy gr-8 b18.2.11,170
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KBSTNHex Head Cap ScrewGrade 8Plain1/4-20 x 4 3/41/4-20 x 4 3/4 hex cap/s alloy gr-8 b18.2.1225
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THRDFASTALHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 4 3/4gr8 hex c/s z&y b18.2.180
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THRDFASTMSHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 4 3/418-8 ss hex c/s b18.2.124
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THRDFASTALHex Head Cap ScrewGrade 8Zinc/Yellow1 1/8-8 x 4 3/4gr8 hex c/s z&y b18.2.144
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THRDFASTOKHex Head Cap ScrewGrade 5Plain1/2-13 x 4 3/4gr5 hex c/s b18.2.1250
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THRDFASTALHex Head Cap ScrewGrade 8Plain3/4-10 x 4 3/4gr8 hex c/s b18.2.14
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THRDFASTMSHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 4 3/4t-316 ss hex c/s b18.2.11
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THRDFASTALHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 4 3/4gr5 hex c/s b18.2.112
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THRDFASTALHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 4 3/418-8 ss hex c/s b18.2.16
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THRDFASTOKHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 4 3/4gr8 hex c/s z&y b18.2.15
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THRDFASTOKHex Head Cap ScrewGrade 8Plain1/2-13 x 4 3/4gr8 hex c/s b18.2.170
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