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1 5/8 inch length 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 1 5/8nf hex c/s1000
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MAINSOURCNHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/8hex c/s 18-8 ss2113
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CIFILHex Head Cap ScrewGrade 8Zinc/Clear3/8-16 x 1 5/83/8-16x1 1/2 hex cap screw grade 8 with 5/8 useable thread plated per zn8f (11) (11) (5) ()5
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CIFILHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/81/2-13x1 5/8 hex cap screw grade 5 zinc plated (57) (57) (96) ()96
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YANKEENHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/8hex c/sr stain125
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 5/8(pt) coarse gr8 hex c/s -usa b18.2.125
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/83/8-16x1-5/8 hhcs grade 5 stl zc b18.2.1 () ()100
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GLFOHHex Head Cap ScrewGrade 5Zinc/Black1/4-20 x 1 5/81/4-20x1-5/8 hhcs grade 5 stl zinc black w/patch b18.2.1 () ()77320
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 5/81/2-13x1-5/8 hex cap-full thread-grade 8-zinc yellow-cr6 b18.2.1 () ()13
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CenturyFLHex Head Cap ScrewGrade 5Plain1/4-20 x 1 5/81/4-20 x 1-5/8 hex hd cap screw grade 5 98
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CenturyFLHex Head Cap ScrewSteelPlain1/4-20 x 1 5/81/4-20 x 1 5/8 hex hd cap screw (18-8) (18-8) 150
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CenturyFLHex Head Cap ScrewGrade 8Plain3/8-24 x 1 5/83/8-24 x 1 5/8 hex cap screw grd 8 plain (7/64 HOLE DRILLED ACROSS FLATS) (7/64 HOLE DRILLED ACROSS FLATS) 100
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CenturyFLHex Head Cap ScrewSteelPlain5/16-18 x 1 5/85/16-18 x 1 5/8 hex head cap screw (STAINLESS STEEL) (STAINLESS STEEL) 75
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CenturyFLHex Head Cap ScrewSteelPlain1/2-13 x 1 5/81/2-13 x 1-5/8 hex head capscrew (GR-8 ZINC YELLOW) (GR-8 ZINC YELLOW) 400
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CenturyFLHex Head Cap ScrewSteelPlain1/2-13 x 1 5/81/2-13 x 1 5/8 hex hd cap screw (GR-5 ZINC) (GR-5 ZINC) 200
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CenturyFLHex Head Cap ScrewGrade 5Galvanized1/2-13 x 1 5/81/2-13 x 1 5/8 hex hd cap screw gr 5 hdg 200
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CenturyFLHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 5/81/4-20x1 hex hd cap screw gr5 zinc w/5/8 dia.bonded neowashers/patchlok 100
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HayesCAHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 5/81/4-20 x 1 5/8 hex c/s gr 5 zinc150
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HayesCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/83/8-16 x 1 5/8 hex c/s gr 5 zinc220
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HayesCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 5/85/16-18 x 1 5/8 hex c/s gr 5 zinc50
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HayesCAHex Head Cap Screw316, 317, A4 StainlessPlain3/4-10 x 1 5/83/4-10 x 1 5/8 hex c/s 316ss8
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HayesCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 5/81/2-20 x 1 5/8 hex c/s gr 5 zinc13
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NAPPCOTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/8hex cap scr gr5 zp 3/8-16 x 1 5/8 rohs (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD) (1-CAP SCREW - HEX HD)50
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 5/85/8-11x1-5/8 18-8 s/s steel hex head cap screw6240
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EndriesWIHex Head Cap ScrewGrade 5Plain1/4-20 x 1 5/81/4-20x1 5/8 hex cap screw grade 5partially threaded10500
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 5/81/4-20x1 5/8 hex cap screw grade 5 zncfull threaded300
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/8coar hex c/sr gr5220
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ACCURATEILHex Head Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain1/2-13 x 1 5/8hex c/sr 410 s/s175
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ACCURATEILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/8hex c/sr 18-8 s/s100
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ACCURATEILHex Head Cap ScrewGrade 8Zinc/Clear7/16-20 x 1 5/8fine hex c/sr gr8367
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ACCURATEILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 5/8hex c/sr 18-8 s/s150
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CenturyNYHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1-5/8 hex head capscrew gr-8 zinc yellow400
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CenturyNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/8 hex head cap screw stainless steel75
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CenturyNYHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/8 hex hd cap screw gr-5 zinc200
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CenturyNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 5/8 hex hd cap screw 18-8150
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CenturyNYHex Head Cap ScrewGrade 5Plain1/4-20 x 1-5/8 hex hd cap screw grade 598
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CenturyNYHex Head Cap ScrewGrade 5Galvanized1/2-13 x 1 5/8 hex hd cap screw gr 5 hdg200
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LibertyILHex Head Cap ScrewGrade 2Plain5/16-18 x 1 5/8c/s1,200
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LibertyILHex Head Cap ScrewGrade 2Zinc/Yellow1/4-20 x 1 5/8c/s & screw &170
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LibertyILHex Head Cap ScrewGrade 5Nickel1/4-20 x 1 5/8c/s rohs619
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LibertyILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plainx 1 5/81/4-20 unc-2ax1-5/8 c/s f593-13a grp. 1 cond. a supplementary requirement s82
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LibertyILHex Head Cap ScrewGrade 8Black Oxide3/8-24 x 1 5/83/8-24x1-3/16 c/s 5/8 thread length per print per print10
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AmericanNYHex Head Cap ScrewSteelPlain1/2-13 x 1 5/8hex cap300
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AmericanNYHex Head Cap ScrewSteelPlain1/2-13 x 1 5/8hex cap80
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 1 5/8hex cap zp47
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1 5/8hex cap 18-8 30423
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Alma BoltMIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 5/8hcs zp1200
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METRO INDOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 5/8hex c/s /y300
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METRO INDOHHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 5/8hex c/s /y450
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Fastener OHHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/8hex head cap screw 1/2-13x1-5/8 316 ss 7
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Fastener OHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 5/8hex head cap screw 3/8-16x1-5/8 f593 304 ss domestic 16
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XL ScrewGAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/8hex c/s SAE j429 zp asme b18.2.1700
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SWACOOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/81/2-13x1 5/8 hex cap sc grade 5 stl zn258
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SWACOOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/85/16-18x1 5/8 hex cap sc a2 (18-8)12
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SWACOOHHex Head Cap ScrewGrade 5Black Oxide3/8-24 x 1 5/83/8-24x1-5/8 hex hd cap gr5 blk oxide800
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NutsBoltsNEHex Head Cap ScrewGrade 5Zinc/Yellow3/4-10 x 1 5/83/4-10 x 1 5/8 hcs zy5408
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 5/8(pt) hex c/s 18-8 s/s1,400
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 5/8f/ts hex c/s 18-8 s/s500
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HodellOHHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 1 5/81/2-13x1 5/8 gr.5 hex cap scr zy200
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WDMBIAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/8screw hcs 316 1/2-13x1 5/8 (W020) (W020) (W020)395
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WDMBIAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 5/8screw hcs (18 8) 1/4-20x1 5/8 (W000) (W000) (W000)1,390
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WDMBIAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 5/8hex cap screw grade 8 (zy) 1/2-13x1 5/8 (W020)5,800
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WDMBIAHex Head Cap ScrewGrade 5Zinc/Black5/16-18 x 1 5/8scr hcs gr5 (bz) 5/16-18x1 5/8 (W010) (W010) (W010)17,912
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Infasco DOHHex Head Cap ScrewGrade 5Plain5/16-18 x 1 5/85/16-18 x 1 5/8 hex hd cap screw j429-5 fna unc n p11700
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IPCVAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/85/16-18x1 5/8 hex cap screw 18-8 s/s steel4,210
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IPCVAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 1 5/85/8-11x1 5/8 hex cap screw grade 5 steel cr3 zinc rohs218
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CIFILHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 1 5/83/4-10x1 3/4 hex cap screw grade 5 zinc plated with 5/8 useable thread (51) (51)51
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DeltaTXHex Head Cap ScrewGrade 8Zinc/Clear1/4-20 x 1 5/8hx hd c/s gr 8 zinc 1/4-20 x 1 5/8100
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WDMBIAHex Head Cap ScrewGrade 5Plain3/8-16 x 1 5/8hex cap screw grade 5 (zt120) 3/8-16x1 5/8 (W0M0)367
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WDMBIAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/8screw hcs gr5 (zt) 1/2-13x1 5/850
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StandardMAHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1 5/81/4-20x1-5/8 hex head cap screw 316 stainless steel10390
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StandardMAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/81/2-13x1-5/8 hex head cap screw 316 stainless steel b18.2.11425
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StandardMAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 1 5/83/8-16x1-5/8 hex head cap screw 316 stainless steel b18.2.12250
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AFIFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/85/16-18x1-5/8 hex hd cs ss400
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AFIFLHex Head Cap ScrewSteelZinc/Clear5/16-18 x 1 5/85/16-18x1-5/8 hex hd cs g5 st zn rohs100
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QFCTXHex Head Cap ScrewGrade 8Phosphate3/8-16 x 1 5/83/8-16x1 5/8 hex cap screw g8 phos b18.2.11527
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FasSpcMfgFLHex Head Cap ScrewGrade 5Plain1/4-20 x 1 5/8hex cap80
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FasSpcMfgFLHex Head Cap ScrewBrassPlain5/16-18 x 1 5/8low cap5
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FasSpcMfgFLHex Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 1 5/8hex cap 316 stainless42
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FasSpcMfgFLHex Head Cap ScrewGrade 8Plain1/2-13 x 1 5/8hex cap9
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System 22PAHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/8-16 x 1 5/8inconel 71819
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Delta SecondaryILHex Head Cap ScrewGrade 8Plain7/8-14 x 1 5/8277
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B & K FASTPAHex Head Cap ScrewGrade 8Plain7/16-14 x 1 5/87/16-14 x 1 5/8 hex cap screws gr 8 plain b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 2 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-13 x 1 5/81/2-13 x 1 5/8 hex cap screws gr 5 plain nylon patch b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 5/81/2-20 x 1 5/8 hex cap screws gr 8 z yellow b18.2.136
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B & K FASTPAHex Head Cap ScrewGrade 5Plain5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 5 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 8 z yellow b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 5/81/2-20 x 1 5/8 hex cap screws gr 5 zinc b18.2.1280
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear5/8-18 x 1 5/85/8-18 x 1 5/8 hex cap screws gr 8 zinc b18.2.1103
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ArdenWIHex Head Cap ScrewGrade 5Plain3824 x 1 5/83824x1 5/8 hcs gr5 plninquire
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ArdenWIHex Head Cap ScrewGrade 8Black Oxide1213 x 1 5/81213x1 5/8 hcs gr8 blkinquire
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ArdenWIHex Head Cap ScrewGrade 8Plain3824 x 1 5/83824x1 5/8 hcs grade 8 pp258061c1inquire
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ArdenWIHex Head Cap ScrewGrade 5Zinc/Clear3824 x 1 5/83824x1 5/8 hcs gr5 zcinquire
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ACFCAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 1 5/85/8-11x1-5/8 gr5 hex head cap screw z/p rohs compliant130
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Kanebridge ILHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 5/85/16-18x1 5/8 coarse thread hex cap screw grade 5 zinc22.500
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Kanebridge ILHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 5/83/8-16x1 5/8 coarse thread hex cap screw grade 5 zinc16.250
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Kanebridge ILHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/81/2-13x1 5/8 coarse thread hex cap screw grade 5 zinc7.500
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Kanebridge ILHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 5/81/4-20x1 5/8 coarse thread hex cap screw grade 5 zinc35,000
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Kanebridge ILHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 5/83/8-16x1 5/8 coarse thread hex cap screw grade 8 zinc yellow16.250
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BDS FASTEWIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 5/85/16-18 x 1 5/8 hex cap scr gr5 zf rohs comply3,600
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General FMIHex Head Cap ScrewGrade 8Plain1/2-13 x 1 5/81/2-13 x 1.625 hhcs gr 8 dorrl b18.2.18300
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FastWareSaskHex Head Cap ScrewGrade 5Zinc/Yellow5/8-11 x 1 5/8nc c/s f/t200
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FastWareSaskHex Head Cap ScrewGrade 5Zinc/Yellow5/16-18 x 1 5/8nc c/s 1/2 thread length80
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Wurth AdaMNHex Head Cap ScrewGrade 5Zinc/Yellow3/8-16 x 1 5/8scr hhcs grade 5 (zy) 3/8-16x1 5/87,282
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ASFCORPMIHex Head Cap ScrewGrade 8Zinc/Clear1/2-13 x 1 5/81/2-13 x 1 5/8 hex hd cap scw gr 8 zn dich cr6200
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ASFCORPMIHex Head Cap ScrewGrade 8Zinc/Clear3/8-16 x 1 5/83/8-16 x 1 5/8 hex hd cap scw gr 8 tri zn dich fe/zn 5cn pkg75
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OBRIENOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 5/8c/s gr52
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KBSTNHex Head Cap ScrewGrade 8Plain3/8-16 x 1 5/83/8-16 x 1 5/8 hex cap/s alloy gr-8 b18.2.13,447
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KBSTNHex Head Cap ScrewGrade 5Plain1/2-13 x 1 5/81/2-13 x 1 5/8 hex c/s w/patch gr 5 b18.2.13,600
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WSBKYHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 5/8screw hcs 316 1/2-13x1 5/8 b18.2.1389
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FMPMAHex Head Cap ScrewGrade 5Zinc/Clear7/8-9 x 1 5/8hex cap/s113
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear7/16-20 x 1 5/8hex c/s grad 51,100
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ACCURATEILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 5/8hex c/s 18-8ss5,000
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ACCURATEILHex Head Cap ScrewGrade 8Zinc/Clear7/16-20 x 1 5/8hex c/s grad 81,000
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