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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 Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 5/8ms35308-305 screw776
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Cal FastenrsCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 1/4hex c/s cr355
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Cal FastenrsCAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 3 1/2hex c/s cr3175
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Cal FastenrsCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 2hex c/s cr3120
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Cal FastenrsCAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 4 1/27/16-14x4-1/2 hex c/s100
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Cal FastenrsCAHex Head Cap ScrewSteelBlack OxideM8-1.25 x 20tapbolt din 9331,000
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Irwin IndOntHex Head Cap ScrewClass 8.8Zinc/ClearM10 x 50m10 x 50 din 931 cl 8.8 hhcs zinc nickle + topcoat100
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Irwin IndOntHex Head Cap ScrewClass 10.9Zinc/ClearM30 x 90m30 x 90 din 931 hhcs/bolt 10.9 zinc phos gm 603535
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Irwin IndOntHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 25/16-18 x 2 unc grade 5 steel hhcs zinc trivalent clear b18.2.11100
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Irwin IndOntHex Head Cap ScrewGrade 5Zinc/Yellow3/8-16 x 2 3/43/8-16 x 2-3/4 unc gr5 hex caps zinc dichromate b18.2.1208
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Irwin IndOntHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 5 1/43/8-16 x 5-1/4 steel grade 5 hhcs zinc trivalent clear b18.2.1150
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Irwin IndOntHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 2 1/41/2-13 x 2-1/4 steel grade 5 hhcs zinc trivalent clear b18.2.125
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Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 15/16-18 x 1 unc gr8 hhcs zinc dichromate b18.2.1 50
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Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/41/2-20 x 2-1/4 hex capscrew grade 8 steel zinc dichromate b18.2.125
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Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 4 1/25/8-18 x 4-1/2 unf gr 8 hhcs zinc dichromate b18.2.140
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Irwin IndOntHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 7/83/8-16 x 7/8 unc hhcs 18.8 stainless steel b18.2.1108
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Irwin IndOntHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 hex head cap screw full thread 18.8 stainless steel b18.2.115
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Irwin IndOntHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 7/8cap screw hex. head 10-32 x 7/8 stainless steel b18.2.13700
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Irwin IndOntHex Head Cap Screw316, 317, A4 StainlessPlainM4-0.70 x 14m4 x 0.7 x 14mm captive hex washer screw a4 stainless steel with phillips drive76950
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AIHAZHex Head Cap ScrewGrade 8Plain#10-32 x 3/8hex c/s9514
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AIHAZHex Head Cap ScrewGrade 5Plain1/4-20 x 3/8hex c/s5638
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AIHAZHex Head Cap ScrewGrade BZinc/Yellow3/8-16 x 13/8-16 x 1 gr. 8 B1821BH038C100N3
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AIHAZHex Head Cap ScrewGrade 8Zinc/Clear1/2-13 x 1 1/41/2-13 x 1-1/4 drilled hex c/s B1821BH050C125D790
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/8hex c/s s/s300
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AIHAZHex Head Cap ScrewBrassPlainM6-1.00 x 10hex c/s996
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AIHAZHex Head Cap Screw316, 317, A4 StainlessPlainM8-1.25 x 40hex c/s a4-70 f/t s/s347
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R&S IndusORHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 2 3/49/16-12 x 2 3/4 hex cap screw gr 5 zinc hcs5z1,205
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R&S IndusORHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 7 1/25/16-18 x 7 1/2 hex cap screw gr 5 zinc hcs5z21
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R&S IndusORHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 1 3/49/16-12 x 1 3/4 hex cap screw gr 5 zinc hcs5z1,675
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R&S IndusORHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/25/8-11 x 1 1/2 hex cap screw 18-8 sst hcs s519
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R&S IndusORHex Head Cap ScrewGrade 5Plain7/8-14 x 97/8-14 x 9 hex cap screw gr 5 plain hcs5p99
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MESAFASTCAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 2hex c/s gr55.0
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MESAFASTCAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 2hex c/s gr550.0
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MESAFASTCAHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 3 1/4hex c/s gr550.0
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MESAFASTCAHex Head Cap ScrewClass 10.9Zinc/ClearM24-3.00 x 220M24-3.00x220 hex cap screw 10.9 steel zinc din 9315.0
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MESAFASTCAHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 4 1/25/8-11 x 4-1/2 hex cap screw gr2 steel zinc steel zinc22.0
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MESAFASTCAHex Head Cap ScrewClass 10.9Zinc/ClearM24-3.00 x 100m24-3.00 x 100mm hex cap screw 10.9 din931 (pt) steel zinc steel zinc7.0
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R&S IndusORHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 25m6-1.0 x 25 hex cap screw w/nylok strip a2 sst hcs m s1,700
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R&S IndusORHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 20m6-1.0 x 20 hex cap screw w/nylok strip a2 sst hcs m s1,676
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R&S IndusORHex Head Cap ScrewNylon (Polyamide)Plain1/2-13 x 3/41/2-13 x 3/4 hex cap screw nylon hhcs n1,650
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R&S IndusORHex Head Cap ScrewBrassPlain1/2-13 x 1 1/21/2-13 x 1 1/2 hex cap screw brass hcs b595
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R&S IndusORHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5-0.80 x 16m5-.8 x 16 hex cap screw w/nylok strip a2 sst hcs m s1,300
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 2 1/2hex c/s s/s pass astm a96750
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AIHAZHex Head Cap ScrewGrade 5Plain3/8-16 x 3 3/4hex c/s51
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AIHAZHex Head Cap ScrewSteelPlain1/2-13 x 2hex c/s248
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AIHAZHex Head Cap ScrewGrade 5Plain1/2-13 x 2hex c/s350
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/41/4-20 x 2-1/4 hex c/s s/s pass 304ss MS35307-31519
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16 x 3/4 hex c/s s/s pass 304ss MS35307-35810
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/83/8-16 x 1-3/8 hex c/s s/s pass 304ss MS35307-363195
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/43/8-16 x 2-1/4 hex c/s s/s pass 304ss MS35307-36741
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AIHAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 33/8-16 x 3 hex c/s s/s pass 304ss MS35307-37070
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AIHAZHex Head Cap Screwwoodruff key chamfered cres MS9841-01446
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NutsBoltsNEHex Head Cap ScrewSteelZinc/ClearM10-1.50 x 220m10-1.5 x 220 hcs 8.8 zp123
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NutsBoltsNEHex Head Cap ScrewGrade APlain3/4-10 x 11 1/23/4-10 x 11 1/2 a307 hcs plain69
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Cal FastenrsCAHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 7/83/8-16 x 7/8 hex c/s 316 stainless hex cap260
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Irwin IndOntHex Head Cap ScrewClass 12.9PlainM42 x 260din 931 m42 x 260 class 12.9 alloy steel bare5
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Irwin IndOntHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 4 1/21-8 x 4-1/2 unc gr 8 hex caps zinc dichromate b18.2.157
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Lubker DiPAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 31/4-20 x 3 hhcs gr 8 (full thread) zinc yellow650
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ManscoMIHex Head Cap ScrewSteelZinc/Clear1/2-13 x 3 3/41/2-13 x 3-3/4 hex cap gr2 znc4115
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ManscoMIHex Head Cap ScrewSteelZinc/ClearM10-1.25 x 80m10-1.25 x 80mm hex cap cl8.8 triv znc p/t din9603940
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ManscoMIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-6 x 31-1/2-6 x 3 hex cap 18-8 s.s. f/t104
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ManscoMIHex Head Cap ScrewSteelZinc/Clear5/16-18 x 2 3/ 45/16-18 x 2-3/4 hex cap gr2 znc 25/bag121
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ManscoMIHex Head Cap ScrewGrade 5Black Oxide3/8-16 x 13/8-16 x 1 hex cap gr5 blk ox & wax7200
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ManscoMIHex Head Cap ScrewSteelZinc/Clear3/8-16 x 2 1/43/8-16 x 2-1/4 hex cap gr2 triv znc4200
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ManscoMIHex Head Cap ScrewSteelZinc/Clear1/4-20 x 2 1/21/4-20 x 2-1/2 hex cap gr2 triv znc800
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ManscoMIHex Head Cap ScrewGrade 2Plain1/2-13 x 21/2-13 x 2 hex cap gr2 pln1700
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ManscoMIHex Head Cap ScrewSteelZinc/Clear1/4-28 x 41/4-28 x 4 hex cap gr2 znc per print82
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ManscoMIHex Head Cap ScrewClass 10.9Zinc/ClearM6-1.00 x 30m6-1.0 x 30mm hex cap cl10.9 triv znc high corr & sealcoat .0004 f/t din9332385
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ManscoMIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7 x 41-1/4-7 x 4 hex cap scr 18-8 s.s.16
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ManscoMIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 35m6-1.0 x 35mm hex cap 18-8 s.s. a2 f/t din933-a22150
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ManscoMIHex Head Cap ScrewGrade 2Zinc/Black1/4-20 x 3/41/4-20 x 3/4 hex cap gr2 blk znc996
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ManscoMIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7 x 41-1/8-7 x 4 hex hd cap scr 18-8 s.s. 100/box18
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ManscoMIHex Head Cap ScrewSteelZinc/Clear1/4-20 x 6 1/21/4-20 x 6-1/2 hex cap gr2 triv znc310
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ManscoMIHex Head Cap ScrewBrassPlain5/16-18 x 4 1/45/16-18 x 4-1/4 hex cap brass10
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ManscoMIHex Head Cap ScrewSteelZinc/Clear1/2-13 x 1 3/41/2-13 x 1-3/4 hex cap gr5 znc 50/box125
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ManscoMIHex Head Cap ScrewSteelZinc/Clear7/16-14 x 17/16-14 x 1 hex cap gr5 znc 50/box650
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ManscoMIHex Head Cap ScrewClass 10.9PlainM18-2.50 x 150m18-2.5 x 150mm hex cam bolt cl10.9 pln partial thread22
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ManscoMIHex Head Cap ScrewGrade 8Plain1/4-20 x 1 1/41/4-20 x 1-1/4 hex cap gr8 pln1900
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NutsBoltsNEHex Head Cap ScrewSteelZinc/Clear1 1/4-7 x 41 1/4-7 x 4 hcs z516
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ManscoMIHex Head Cap ScrewSteelZinc/Clear3/4-10 x 3 1/23/4-10 x 3-1/2 hex cap gr5 triv znc56
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ManscoMIHex Head Cap ScrewGrade 5Plain7/16-20 x 3hex cap gr5250
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ManscoMIHex Head Cap ScrewSteelZinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex cap gr2 triv znc2284
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 3 3/41/4-28 nf x 3 3/4 hex hd cap screw 304ss b18.2.14,204
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 65/16-24 nf x 6 hex hd cap screw 304ss b18.2.11,184
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 4 3/81/4-20 x 4 3/8 hex hd cap screw 304ss b18.2.18,090
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 9/165/16-18 x 9/16 hex hd cap screw 304ss b18.2.116,243
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20 x 1 1/87/16-20 nf x 1 1/8 hex hd cap screw 304ss b18.2.12,216
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-14 x 1 3/47/8-14 nf x 1 3/4 hex hd cap screw 304ss b18.2.1259
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 83/4-16 nf x 8 hex hd cap screw 304ss b18.2.1294
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 81/2-20 nf x 8 hex hd cap screw 304ss b18.2.15,198
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 7 1/23/4-16 nf x 7 1/2 hex hd cap screw 304ss b18.2.1133
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-18 x 2 3/49/16-18 x 2 3/4 hex hd cap screw 304ss b18.2.1170
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18 x 5 1/25/8-18 nf x 5 1/2 hex hd cap screw 304ss b18.2.11,265
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 6 1/23/4-16 nf x 6 1/2 hex hd cap screw 304ss b18.2.1379
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 73/4-16 nf x 7 hex hd cap screw 304ss b18.2.1138
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18 x 6 1/25/8-18 nf x 6 1/2 hex hd cap screw 304ss b18.2.1204
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-14 x 1 1/27/8-14 nf x 1 1/2 hex hd cap screw 304ss b18.2.151
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20 x 3 3/47/16-20 nf x 3 3/4 hex hd cap screw 304ss b18.2.11,680
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-18 x 1 1/49/16-18 nf x 1 1/4 hex hd cap screw 304ss b18.2.1947
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 4 1/23/4-16 nf x 4 1/2 hex hd cap screw 304ss b18.2.1623
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18 x 7 1/25/8-18 nf x 7 1/2 hex hd cap screw 304ss b18.2.1240
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Star ILHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20 x 67/16-20 nf x 6 hex hd cap screw 304ss b18.2.11,203
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General FMIHex Head Cap ScrewGrade 5Zinc/Black5/16-18 x 7.505/16-18 x 7.50 hhcs gr5 blk zn w/super seal5625
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