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Hex Head Cap Screw (ASME 18.2.1)

FastenerHex 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.

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

Search Results Sponsored by Century Fasteners, your source for Hex Cap Screws. For more results, visit   centuryfasteners.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3 x 20m 3.0 x 20.0mm 18-8 hex cap screws full thread din 933233
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CenturyFLHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 2 3/45/8-11 x 2 3/4 hex hd cap screw grade 5 zinc plt50
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CenturyFLHex Head Cap ScrewClass 12.9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M20 x 160m20x160 hhcs 12.9 +geomet 321m geomet 321 + m topcoat. iso 4014 partial thread (thd length 52mm +/-.42) din 93110
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CenturyFLHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 13/8-16 x 1 hex hd cap screw steel zinc ylw2644
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Cal FastenrsCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 hex cap screw stainless steel plain hh c/s50
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Cal FastenrsCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/85/16-18 x 1-3/8 hex cap screw stainless steel plain hex cap screw90
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Cal FastenrsCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18 x 7/8 hex cap screw stainless steel plain hh c/s50
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Cal FastenrsCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 2 1/43/4-10 x 2-1/4 hex cap screw stainless steel plain hh c/s15
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Field FasILHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 1 1/2 hex cap screw gr 8 stl zc/yellow255
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Field FasILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 1/4 hex cap screw 18-8 ss251
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Field FasILHex Head Cap ScrewGrade 5Fluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11 x 5 1/2 hex cap screw gr 5 w/3/16 seal hole drilled 1/4 from center hole to end xylan blue18
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GUIDONNJHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 3 3/41/2-13 X 3 3/4 HEX HEAD CAP SCREW GRADE 5 ZINC, IMPORT1,370
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AspenPAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM2-0.40 x 14m2-0.4 x 14mm din 933 / iso 4017, metric, hex head cap screws bolts, full thread, a2 stainless steel1000
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MESAFASTCAHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 6hex c/s 316 stainless 316 stainless35.0
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MESAFASTCAHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 7hex c/s gr2 steel25.0
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MESAFASTCAHex Head Cap ScrewGrade 2Galvanized7/16-14 x 2hex c/s gr2 hot dipped hot dipped200.0
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MESAFASTCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 3 3/4hex c/s gr8 steel32.0
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MESAFASTCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 1 3/4hex c/s gr8 steel75.0
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MESAFASTCAHex Head Cap ScrewClass 8.8Zinc/ClearM4-0.70 x 10M4-0.7x10 hex cap screw 8.8 steel zinc85.0
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METRO BOLMIHex Head Cap ScrewGrade 9Plain1/4 x 1 3/41/4-20x1-3/4 gr9 hex cap screw plain5000
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METRO BOLMIHex Head Cap ScrewGrade 9Zinc/Yellow1/4 x 2 3/41/4-20x2-3/4 hex cap screw duralloy892
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METRO BOLMIHex Head Cap ScrewGrade 9Plain1/4-20 x 41/4-20x4 gr 9 hex cap screw plain9000
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METRO BOLMIHex Head Cap ScrewGrade 9Plain1/4-20 x 4 1/21/4-20x4-1/2 gr9 hex cap screw plain2700
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AETNAILHex Head Cap ScrewGrade 8Zinc/Clear1-14 x 6hex cap screw partial thread gr 8 zinc grade 8 clear zinc4,911
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AETNAILHex Head Cap ScrewClass 10.9Zinc/YellowM8-1.25 x 325hex cap screw partial thread cl10.9 zinc yellow (parts need to be replated) class 10.9 zinc/yellow3,255
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AETNAILHex Head Cap ScrewClass 8.8Zinc/ClearM16-2.00 x 85hex cap screw partial thread cl 8.8 clear zinc class 8.8652
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear1-14 x 5hex cap screw partial thread grde 5 clear zinc grade 5248
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AETNAILHex Head Cap ScrewClass 10.9Zinc/ClearM24-3.00 x 200hex cap screw class 10.9 partial thread zinc class10.9 clear zinc224
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AETNAILHex Head Cap ScrewClass 8.8Zinc/ClearM20-2.50 x 30hex cap screw full thread class 8.8 zinc epoxy clear zinc3,920
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 4hex cap screw grade 5 partial thread zinc clear zinc3,180
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear1 1/2-12 x 8hex cap screw p&w partial thread clear zinc gr5 grade 581
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AETNAILHex Head Cap ScrewClass 10.9Zinc/ClearM24-3.00 x 50hex cap screw full thread class 10.9 clear zinc897
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3/4hex cap screw grade 5 full thread zinc clear zinc7,200
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 8 1/2hex cap screw partial thread grade 5 clear zinc102
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AETNAILHex Head Cap ScrewClass 8.8PlainM30-3.50 x 170hex cap screw class 8.8 partial thread plain513
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 3hex cap screw partial thread grade 5 clear zinc1,148
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AETNAILHex Head Cap ScrewClass 8.8Zinc/ClearM16-2.00 x 140hex cap screw class 8.8 partial thread clear zinc830
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 3 1/2hex cap screw grade 5 partial thread zinc clear zinc700
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AETNAILHex Head Cap ScrewClass 8.8Zinc/BlackM10-1.50 x 30hex cap screw class 8.8 full thread black zinc3,900
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AETNAILHex Head Cap ScrewGrade 8Zinc/Clear3/4-16 x 1 3/8hex cap screw full thread grade 8 clear zinc6,340
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear3/4-10 x 3 1/4hex cap screw grade 5 partial thread zinc clear zinc583
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AETNAILHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 3 1/2hex cap screw partial thread grade 5 clear zinc414
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AETNAILHex Head Cap ScrewGrade 8Phosphate1/2-20 x 1.470hex cap screw grade 8 partial thread phos phos & oil2,680
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Cal FastenrsCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 2 1/43/4-10 x 2-1/4 hex cap screw gr 8 steel yellow dc-zinc hex bolt50
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MESAFASTCAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 2hex c/s 316 stainless100.0
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IRFNJHex Head Cap ScrewClass 10.9PlainM10-1.50 x 130hex c/sw f/t stl din 93375
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50 x 16hex c/sw a2 ss din 93352
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50 x 25hex c/s a2 ss din 933495
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IRFNJHex Head Cap ScrewClass 8.8PlainM4-0.70 x 10hex c/sr stl din 93380,000
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IRFNJHex Head Cap ScrewClass 8.8PlainM8-1.25 x 80hex c/sr stl din 9311,108
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IRFNJHex Head Cap ScrewGrade 2Zinc/ClearM4-0.70 x 22hex c/sr90,000
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4-0.70 x 50hex c/s a2 ss f/t din 933200
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IRFNJHex Head Cap Screw316, 317, A4 StainlessPlainM6-1.00 x 16hex slotted c/sr per a4 ss din 933196
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PassivatedM6-1.00 x 20hex c/sr a2 ss & wax din 93310,874
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IRFNJHex Head Cap ScrewClass 8.8PlainM6-1.00 x 25hex c/sr stl din 9317,312
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 20hex c/sr a2 ss din 9331,010
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25 x 12hex c/sr 18-8 s/s din 933140
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PassivatedM8-1.25 x 25hex c/sr a2 ss & wax din 9333,460
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IRFNJHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1hex c/sr980
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IRFNJHex Head Cap Screw316, 317, A4 StainlessPlain1/4-20 x 1hex c/sr 316 stainless1,200
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear1/4-20 x 1 3/4hex c/s200
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IRFNJHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 1 3/4hex c/s800
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 3/4hex c/s 18-8 a2100
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IRFNJHex Head Cap ScrewGrade 2Plain1/4-20 x 2 1/4hex c/sr160,730
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear1/4-20 x 2 1/4hex c/sr4,930
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FTSOHHex Head Cap ScrewGrade 5Zinc/Clear3/8-25 x 2 1/4hx c/s gr 5 zn6920
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FTSOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2/14hx c/s 18-8 ss480
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SpencerOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/44000
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IRFNJHex Head Cap ScrewClass 8.8Zinc/ClearM4-0.70 x 10hex c/sr stl nickel Cr3+ din 9339800
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IRFNJHex Head Cap ScrewSteelZinc/Clear1/4-20 x 1 1/8 x 2 1/4(11168bzi) hhcs c-1018 800 hr nickel & sealer finish1746
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IRFNJHex Head Cap ScrewGrade 2Plain1/4-20 x 2 1/4hex c/sr clr cad mag2000
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IRFNJHex Head Cap ScrewGrade 2Plain1/4-20 x 2 1/4hex c/sr craft coat cad mag2346
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 4hex c/s nickel clear Cr3+9378
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 4 1/2hex c/sr nickel clear2525
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 2hex c/s nickel clear Cr3+11102
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 1 3/4hex c/sr nickel clear finish964
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IRFNJHex Head Cap ScrewGrade 2Plain1/2-13 x 2hex c/sr clr cad mag1189
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 4 1/2(pt) hex c/s a2 18-8 s/s15
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50 x 160hex c/sw f/t 18-8 s/s140
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 5.00c/s 18-85
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2.00hex c/s 18-8 s/s23
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM1-8.00 x 7.001-8 uncx7.00 hex c/s 18-8 a215
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IRFNJHex Head Cap ScrewGrade 2Zinc/Yellow1/4-20 x 1hex c/sr elw330
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IRFNJHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 2 1/4hex c/sr5
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 12hex c/s 18-8 a2 ss38
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IRFNJHex Head Cap Screw316, 317, A4 StainlessPlain1/2-13 x 1 1/2(ft) hex c/sr 316 stainless125
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 6hex c/s a2 18-8 s/s3
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SteelfastTXHex Head Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain3/8-16 x 2hex head cap screw1200
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AssociatePAHex Head Cap ScrewClass 10.9Zinc/ClearM8-1.25-45 x 931M8-1.25x45 hhcs 931 10.97
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AssociatePAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/8hhcs ss889
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AssociatePAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/4hhcs ss100
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AssociatePAHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 2 1/23/4-10x2 1/2 hhcs g290
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AssociatePAHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 13/8-16x1 hhcs g2895
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AssociatePAHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 2 1/23/4-10x2 1/2 hhcs g290
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AssociatePAHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 2 1/23/4-10x2 1/2 hhcs g21
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IRFNJHex Head Cap ScrewClass 10.9Zinc/BlackM10-1.50 x 1M20m (pt) hex c/s nickel black Cr3+ bake with sealer din 9311406
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/ClearM6-1.00 x 14slotted hex c/s per sz a2 18-8 304 din 9334880
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IRFNJHex Head Cap ScrewClass 8.8PlainM6-1.00 x 45hex c/sr stl din 9311000
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25 x 120c/s 18-8 a2 din 93346
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IRFNJHex Head Cap ScrewClass 8.8PlainM8-1.25 x 160hex c/sw f/t din 9337360
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IRFNJHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PassivatedM8-1.25 x 25hex c/sr 18-8 s/s pass din 931120
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IRFNJHex Head Cap ScrewClass 8.8Zinc/YellowM8-1.25 x 25hex c/sr stl chromate din 933800
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IRFNJHex Head Cap ScrewClass 8.8Zinc/YellowM8-1.25 x 30hex c/sr ylw stl cad mag357
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IRFNJHex Head Cap ScrewClass 8.8Zinc/YellowM8-1.25 x 40hex c/sr ylw stl & magnaga10000
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IRFNJHex Head Cap ScrewSteelPlainc/s31
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IRFNJHex Head Cap ScrewSteelPlainc/s8
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IRFNJHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 3hex c/sr 800 hr nickel clear Cr3+ bake plus sealer382
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear#10-24 x 1 1/2hex c/sr55500
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IRFNJHex Head Cap ScrewGrade 8Zinc/Clear2-4 1/2 x 5hex c/s nickel clear 800 hr sst triv with sealer40
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IRFNJHex Head Cap ScrewGrade 5Zinc/Clear2-4 1/2 x 82-4.5x8 hex c/s 800 hr nickel clear5
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IRFNJHex Head Cap ScrewGrade 2Plain1/4-20 x 2 1/2hex c/sr stl55080
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IRFNJHex Head Cap ScrewGrade 2Zinc/Clear1/4-20 x 3hex c/sr stl nickel clear Cr3+ with sealer (800 hr sst)18952
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IRFNJHex Head Cap ScrewGrade 2Zinc/Black1/4-20 x 3/4hex c/sr9200
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IRFNJHex Head Cap ScrewGrade 2Plain5/16-18 x 1 1/4hex c/sr cad/clear1325
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IRFNJHex Head Cap ScrewGrade 5Nickel Plated5/16-18 x 25/16-18x2 hex c/s 800 hr nkl clr4327
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TSFINCTNHex Head Cap ScrewGrade 5Zinc/Black1/2-13 x 7 1/21/2-13 x 7 1/2 GRADE 5 HEX HEAD CAP SCREWZINC/BLACK2000
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