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5/16 Hex Cap Screws

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.

180,917 Hex Head Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
MAINSOURCNHHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 3/85/16-18x1 3/8 hex cap screw 316 ss60
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MAINSOURCNHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 hex cap screw 18-8 ss12
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Future FastenerTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/45/16-18x1/4 hex cap screw ss80
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 4 1/45/16-18x4 1/4 hex c/s 18-8 ss6
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YANKEENHHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 2 1/25/16-24 x 2-1/2 hex head cap screw grade 8 alloy steel zinc yellow100
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8hex cap 18-8 304460
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AmericanNYHex Head Cap ScrewSteelZinc/Clear5/16-18 x 1/25/16-18x1/2 hex cap zp1650
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AmericanNYHex Head Cap ScrewSteelZinc/Clear5/16-18 x 1 1/2hex cap pl500
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/2hex cap 18-8 304775
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3hex 18-8 304 c/s296
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 4hex c/s 18-8 30450
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AmericanNYHex Head Cap ScrewSteelZinc/Clear5/16-18 x 65/16-18x6 hex cap screw zinc pl350
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Set ScrewILHex Head Cap ScrewGrade 5Zinc/Yellow5/16-18 x 5/8c/s & plateinquire
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Set ScrewILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 7/8304 18-8 304 hex c/sinquire
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Set ScrewILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 1 1/4hex c/s 18-8 304inquire
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AbabaCAHex Head Cap ScrewGrade 5Plain5/16-18 x 15/16-18 x 1 h/c al-2000 (black) gr 5 b18.2.11728
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Black5/16-18 x 15/16-18 x 1 h/c black zinc super-seal & wax gr 5 b18.2.161
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 15/16-18 x 1 h/c gr 5 znc b18.2.11556
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 15/16-18 x 1 h/c dom gr 8 yel znc b18.2.12084
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 h/c s/s b18.2.11400
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AbabaCAHex Head Cap ScrewGrade 5Plain5/16-18 x 1 1/45/16-18 x 1 1/4 h/c al-2000 (black) gr 5 b18.2.13344
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AbabaCAHex Head Cap ScrewGrade 5Plain5/16-18 x 1 1/45/16-18 x 1-1/4 hex cap screw gr.5 al-2000 silver b18.2.110
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AbabaCAHex Head Cap ScrewSteelZinc/Black5/16-18 x 1 1/45/16-18 x 1 1/4 h/c black zinc super-seal & wax g b18.2.1199
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/45/16-18 x 1 1/4 h/c gr 5 znc b18.2.13386
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/45/16-18 x 1 1/4 h/c 316 s/s b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/45/16-18 x 1 1/4 h/c dom gr 8 yel znc b18.2.1728
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow5/16-18 x 1 1/45/16-18 x 1 1/4 h/c gr.9 yel znc b18.2.1180
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 h/c s/s b18.2.12693
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 h/c gr 5 znc b18.2.1520
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/25/16-18 x 1 1/2 h/c dom gr 8 yel znc b18.2.1628
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow5/16-18 x 1 1/25/16-18 x 1 1/2 h/c f911 yel znc b18.2.185
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 h/c s/s b18.2.11483
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 h/c gr 5 znc b18.2.1985
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 h/c nyl patch gr 5 znc b18.2.1790
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 3/45/16-18 x 1 3/4 h/c dom gr 8 yel znc b18.2.1420
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Jay-CeeMIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1/25/16-18x1/2 unc thread hex cap screw grade 5 zinc11000
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Jay-CeeMIHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 3/45/16-18x3/4 hex cap screw grade 2 zinc650
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Jay-CeeMIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3/45/16-18x3/4 unc thread hex cap screw grade 5 zinc13250
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Jay-CeeMIHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/45/16-18x1 1/4 hex cap screw 316 stainless steel1500
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Jay-CeeMIHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/25/16-18x1 1/2 hex cap screw 316 stainless steel339
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Jay-CeeMIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/25/16-18x1 1/2 unc thread hex cap screw grade 5 zinc790
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Jay-CeeMIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 25/16-18x2 unc thread hex cap screw grade 5 zinc200
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Jay-CeeMIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 65/16-18x6 hex cap screw 18-8 s/s steel50
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 15/16-18 x 1 h/c gr 5 znc b18.2.1200
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 15/16-18 x 1 h/c dom gr 8 yel znc b18.2.1200
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow5/16-18 x 15/16-18 x 1 h/c gr.9 yel znc b18.2.160
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 h/c s/s b18.2.150
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/45/16-18 x 1 1/4 h/c gr 5 znc b18.2.1200
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/45/16-18 x 1 1/4 h/c dom gr 8 yel znc b18.2.150
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 h/c s/s b18.2.1300
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 1/25/16-18 x 1 1/2 h/c 316 s/s b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/25/16-18 x 1 1/2 h/c dom gr 8 yel znc b18.2.1100
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 h/c s/s b18.2.1200
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 h/c gr 5 znc b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 3/45/16-18 x 1 3/4 h/c dom gr 8 yel znc b18.2.1150
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 25/16-18 x 2 h/c gr 5 znc b18.2.1200
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 h/c s/s b18.2.1250
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 1/45/16-18 x 2 1/4 h/c dom gr 8 yel znc b18.2.1150
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/45/16-18 x 2 1/4 h/c s/s b18.2.150
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 2 1/25/16-18 x 2 1/2 h/c gr 5 znc b18.2.1100
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AbabaCAHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 2 1/25/16-18 x 2 1/2 h/c 316 s/s b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 1/25/16-18 x 2 1/2 h/c dom gr 8 yel znc b18.2.1100
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2 1/2 h/c s/s b18.2.1225
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 2fine hex c/sr gr51771
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 3fine hex c/sr gr5870
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ACCURATEILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3hex c/sr 18-8 s/s2
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ACCURATEILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 2 1/45/16-24x2 1/4 hex cap scr 18-8 stainless80
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 1 3/45/16-24x1 3/4 fine hex cap scr gr5 zinc176
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JHP FastenersCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/8hex cap screw 5/16-18x1 1/8 s/s275
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JHP FastenersTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/4hex head cap screw 5/16-18x1-1/4 grade 5 zinc90
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JHP FastenersTXHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 1/4screw hex hea c/s 5/16-18x2.250 steel grade 8 yellow zinc100
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JHP FastenersCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8screw hex cap 5/16-18x5/8 s/s600
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1/25/16-18 x 1/2 grd8 yellow zinc hex cap screw)1952
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3/45/16-18 x 3/4 grd8 yellow zinc hex cap screw)1731
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 15/16-18 x 1 grd8 yellow zinc hex cap screw)915
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/45/16-18 x 1-1/4 grd8 yz hex cap screw)1325
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 1/25/16-18 x 1-1/2 grd8 yellow zinc hex cap screw)349
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 3/45/16-18 x 1-3/4 grd8 yz hex cap screw)523
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 25/16-18 x 2 grd8 yellow zinc hex cap screw)874
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 1/45/16 -18 x 2-1/4 yellow zinc finish sae j429 grade 8 hex cap screw)505
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 1/25/16-18 x 2-1/2 grd8 yellow zinc hex cap screw)990
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 2 3/45/16-18 x 2-3/4 grd8 yellow zinc hex cap screw)215
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 1/25/16-18 x 3-1/2 grd8 yellow zinc hex cap screw)395
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 4 1/25/16-18 x 4-1/2 grd8 yellow zinc hex cap screw)290
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 55/16-18 x 5 grd8 yellow zinc hex cap screw)25
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 5 1/25/16 -18 x 5-1/2 yellow zinc finish sae j429 grade 8 hex cap screw)150
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 65/16-18 x 6 grd8 yz hex cap screw)150
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1/25/16-18x1/2 grd5 hex cap screw/zinc)1449
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3/45/16-18x3/4 grd5 hex cap screw/zinc)2543
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 7/85/16-18x7/8 grd5 hex cap screw/zinc)50
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 15/16-18x1 grd5 hex cap screw/zinc)2308
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 1/45/16-18x1-1/4 grd5 hex cap screw/zinc)1560
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JHP FastenersTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8screw hex cap 5/16-18x5/8 s/s170
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JHP FastenersTXHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 3/4hex head cap screw 5/16-18x3/4 grd2 zinc30
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JHP FastenersTXHex Head Cap ScrewGrade 2Galvanized5/16-18 x 1hex head cap screw 5/16-18x1grade 2 galvanized960
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JHP FastenersTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1hex cap screw 5/16-18x1 inch s/s74
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JHP FastenersTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 3/8screw hex head cap 5/16-18x1.375 grade5 steel zinc799
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JHP FastenersTXHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 1/2screw hex head cap 5/16-18x3.50 grade 8 steel zinc yellow450
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JHP FastenersTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 1/2screw hex cap 5/16-24x 1/2 steel zinc grade 5850
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JHP FastenersTXHex Head Cap ScrewSteelZinc/Clear5/16-18 x 5/8screw hex cap 5/16-18x5/8 st/zinc100
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JHP FastenersTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/8hex cap screw 5/16-18x1 1/8 s/s344
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JHP FastenersTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/8screw hex head cap 5/16-18x7/8 s/s4
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RePneu ToMIHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 1 1/25/16-24x1 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake cr+3 (usa)700
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B & K FASTPAHex Head Cap ScrewAluminumPlain5/16-18 x 25/16-18 x 2 hex cap screws aluminum b18.2.1169
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 15/16-18 x 1 hex cap screws gr 5 zinc b18.2.11512
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CNBILHex Head Cap ScrewGrade 2Plain5/16-24 x 3/4hex c/s gr.21850
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CNBILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 35/16-18 x 1 3/4 hex c/s 18.8 ss250
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CNBILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 18.85/16-18 x 2 hex c/s 18.8 ss350
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CNBILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 15/16-18 x 1 1/2 hex c/s 18.8 ss500
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CNBILHex Head Cap ScrewGrade 5Plain5/16-18 x 1 1/4hex c/s gr.5403
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CNBILHex Head Cap ScrewGrade 5Plain5/16-18 x 1/2hex c/s gr.52130
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CNBILHex Head Cap ScrewGrade 5Plain5/16-24 x 2 1/4c/s f/t287
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1hex c/s950
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