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3/4 Split Lock Washers (ASME B18. 21.1)

Split Lock Washers feature a helical-shaped split ring that has also been twisted. When fastened, the two sharp ends exert a spring force on the fastener to create increased friction and resistance to motion. Helical spring lock washers are the most common form of lock washer and are best suited to applications with smaller loads.

101 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALSplit Lock WasherSteelPlain3/43/4 split lock heavy pattern b18.21.1 b27.121
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BHAMALSplit Lock WasherGrade 8Plain3/43/4 split lock domestic gr 8 yel b18.21.1 b27.1102
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BHAMALSplit Lock WasherSteelGalvanized3/43/4 split lock hdg rsg b18.21.1 b27.14048
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain3/43/4 med split l/w 316 s/s b18.21.1 b27.1275
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AbabaCASplit Lock WasherSteelGalvanized3/43/4 med split l/w hrd stl hdg b18.21.1 b27.1250
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AbabaCASplit Lock WasherSteelZinc/Clear3/43/4 med split l/w hrd stl znc b18.21.1 b27.1495
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med split l/w s/s b18.21.1 b27.1507
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med split l/w 5/pkg s/s b18.21.1 b27.14
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AbabaCASplit Lock WasherSteelPlain3/43/4 split lock washer armor coated alloy b18.21.1 b27.110
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AbabaCASplit Lock WasherSteelZinc/Yellow3/43/4 med split l/w alloy yel znc b18.21.1 b27.1950
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AbabaCASplit Lock WasherSteelZinc/Yellow3/43/4 med split l/w 5/pkg alloy yel znc b18.21.1 b27.13
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AbabaCASplit Lock WasherSteelGalvanized3/43/4 split lock washer domestic hrd stl hdg b18.21.1 b27.175
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AbabaCASplit Lock WasherSteelPlain3/43/4 split lock washer alloy pln b18.21.1 b27.171
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain3/43/4 lock 316 s/s b18.21.1 b27.1 () () ()28
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow3/43/4 lock gr 8 stl zy b18.21.1 b27.1 () () ()3736
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GLFOHSplit Lock WasherSteelGalvanized3/43/4 lock stl hdg b18.21.1 b27.1 () () ()1666
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 lock 18-8 s/s b18.21.1 b27.1 () () ()380
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GLFOHSplit Lock WasherSteelZinc/Clear3/43/4 lock stl zc b18.21.1 b27.1 () () ()1224
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GLFOHSplit Lock WasherSteelZinc/Yellow3/43/4 lock stl zy b18.21.1 b27.1 () () ()691
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GLFOHSplit Lock WasherSteelPlain3/43/4 lock stl pln b18.21.1 b27.1 () () ()960
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GLFOHSplit Lock WasherGrade 8Plain3/43/4 lock gr 8 stl pln b18.21.1 b27.1 () () ()1122
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GLFOHSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)3/43/4 lock stl teflon b18.21.1 b27.1 () () ()830
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GLFOHSplit Lock WasherSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/43/4 lock stl geomet b18.21.1 b27.1 () () ()160
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GLFOHSplit Lock WasherGrade 8Plain3/43/4 lock gr 8 stl domestic b18.21.1 b27.1 () () ()48
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GLFOHSplit Lock WasherSteelPlain3/43/4 hvy lock stl pln b18.21.1 b27.1 () () ()87
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GLFOHSplit Lock WasherSteelZinc/Clear3/43/4 hvy lock stl zc b18.21.1 b27.1 () () ()510
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GLFOHSplit Lock WasherGrade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/43/4 lock gr 8 stl magni b18.21.1 b27.1 () () ()1208
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow3/43/4 lock gr 8 stl zy domestic b18.21.1 b27.1 () () ()28
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 ss/300 med/split lock 304ss MS35338-146 b18.21.1 b27.1 () () ()34
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GLFOHSplit Lock WasherSteelZinc/Yellow3/4split lock MS35338-51 b18.21.1 b27.1 () () ()300
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AbabaCASplit Lock WasherSteelGalvanized3/43/4 med split l/w hrd stl hdg b18.21.1 b27.1200
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AbabaCASplit Lock WasherSteelZinc/Clear3/43/4 med split l/w hrd stl znc b18.21.1 b27.150
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med split l/w s/s b18.21.1 b27.175
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med split l/w 5/pkg s/s b18.21.1 b27.18
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AbabaCASplit Lock WasherSteelZinc/Yellow3/43/4 med split l/w alloy yel znc b18.21.1 b27.1175
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AbabaCASplit Lock WasherSteelZinc/Yellow3/43/4 med split l/w 5/pkg alloy yel znc b18.21.1 b27.15
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JET FITTINGCASplit Lock WasherSteelZinc/Clear3/43/4 split l/w stl zinc 349013 b18.21.1 b27.11646
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med split lock 18-8 ss WMSR750WS/R188SS b18.21.1 b27.1450
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StandardMASplit Lock WasherSilicon BronzePlain3/43/4 lock washer silicon bronze b18.21.1 b27.11483
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StandardMASplit Lock Washer316, 317, A4 StainlessPlain3/43/4 lock washer 316 stainless steel b18.21.1 b27.12650
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StandardMASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 lock washer 18-8 stainless steel b18.21.1 b27.12552
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QFCTXSplit Lock WasherSteelPlain3/43/4 hi-alloy lock plain b18.21.1 b27.150
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 split lock 18-8 304 b18.21.1 b27.12
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 split lock 18-8 304 b18.21.1 b27.1137
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lock mech galv domestic b18.21.1 b27.176
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lock mech galv domestic b18.21.1 b27.1689
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lock mech galv domestic b18.21.1 b27.115684
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lock mech galv domestic b18.21.1 b27.168
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lock mech galv domestic b18.21.1 b27.122000
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 split lock regular hdg b18.21.1 b27.11599
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 split lock regular hdg b18.21.1 b27.1315
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 split lock regular hdg b18.21.1 b27.11190
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 split lock regular hdg b18.21.1 b27.1537
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 split lock 18-8 b18.21.1 b27.15
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QFCTXSplit Lock WasherSteelZinc/Clear3/43/4 med split lock zinc b18.21.1 b27.11201
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QFCTXSplit Lock WasherSteelZinc/Clear3/43/4 med split lock zinc b18.21.1 b27.12633
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QFCTXSplit Lock WasherSteelZinc/Clear3/43/4 med split lock zinc b18.21.1 b27.1426
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QFCTXSplit Lock WasherSteelZinc/Yellow3/43/4 yzp hi-alloy split lock b18.21.1 b27.11023
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QFCTXSplit Lock WasherSteelZinc/Yellow3/43/4 yzp hi-alloy split lock b18.21.1 b27.1663
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B & K FASTPASplit Lock WasherSteelGalvanized3/43/4 lockwashers hd galv b18.21.1 b27.1684
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B & K FASTPASplit Lock WasherGrade 8Zinc/Yellow3/43/4 lockwashers gr 8 z yellow b18.21.1 b27.11710
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B & K FASTPASplit Lock WasherSteelPlain3/43/4 heavy lockwashers plain b18.21.1 b27.113
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B & K FASTPASplit Lock WasherSteelZinc/Clear3/43/4 heavy lockwashers zinc b18.21.1 b27.11917
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B & K FASTPASplit Lock WasherSteelPlain3/43/4 medium lockwashers plain b18.21.1 b27.11817
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B & K FASTPASplit Lock WasherSteelZinc/Clear3/43/4 medium lockwashers zinc b18.21.1 b27.12177
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B & K FASTPASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 med lockwashers 18-8 stainless b18.21.1 b27.1363
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BHAMGASplit Lock WasherSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/43/4 hastelloy c276 split lock s b18.21.1 b27.1100
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Marine FastenersFLSplit Lock Washer316, 317, A4 StainlessPlain3/43/4 med split lock 316ss.188 min thk 25 per box 316ss b18.21.1 b27.1308
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Marine FastenersFLSplit Lock Washer316, 317, A4 StainlessPlain3/43/4 lock 316 ss 25 per small bag 5 small bags per master pack-generic brand 316ss b18.21.1 b27.16150
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Marine FastenersFLSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 heavy duty lockwasher ss .226 min thk b18.21.1 b27.14132
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Marine FastenersFLSplit Lock WasherSilicon BronzePlain3/43/4 med lock washer sil brz .188 min thk b18.21.1 b27.11500
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General FMISplit Lock WasherSteelZinc/Clear3/43/4 hvy lw zn b18.21.1 b27.1300
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QFCTXSplit Lock WasherSteelPlain3/43/4 med split lockwasher plain b18.21.1 b27.1413
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QFCTXSplit Lock WasherSteelZinc/Yellow3/43/4 regular split lock washers alloy thru-hardened zinc-yellow ( pkg qty 50pcs) (case qty 400pcs) b18.21.1 b27.1220
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QFCTXSplit Lock WasherGrade 8Zinc/Yellow3/4 x 83/4 lock washer gr 8 zinc yellow b18.21.1 b27.15300
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QFCTXSplit Lock WasherSteelZinc/Clear3/43/4 split lockwasher zinc b18.21.1 b27.1200
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QFCTXSplit Lock WasherSteelElectrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)3/43/4 med split lockwasher dacromet and seal b18.21.1 b27.13
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss lockwasher domestic b18.21.1 b27.174
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QFCTXSplit Lock WasherSteelGalvanized3/43/4 med split lockwasher mech galv b18.21.1 b27.111
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QFCTXSplit Lock Washer316, 317, A4 StainlessPlain3/43/4 316ss lockwasher b18.21.1 b27.11
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Bostwick INSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 split lockwasher 18-8 s/s (usa mfg) b18.21.1 b27.1502
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WurthOntSplit Lock WasherSteelPlain3/4wsh hvy splt lw st (pl) 3/4 b18.21.1 b27.1838
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JET FITTINGCASplit Lock WasherSteelZinc/Clear3/4washer lock split 3/4 steel zinc plated b18.21.1 b27.1688
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THRDFASTFLSplit Lock WasherSilicon BronzePlain3/4sili brnz split lock b18.21.1 b27.120
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THRDFASTFLSplit Lock WasherGrade 8Plain3/4gr8 split lock b18.21.1 b27.1155
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THRDFASTOKSplit Lock WasherSteelCadmium3/4split lock b18.21.1 b27.174
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THRDFASTOKSplit Lock WasherSteelPlain3/4split lock b18.21.1 b27.156
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THRDFASTOKSplit Lock WasherGrade 8Plain3/4gr8 split lock b18.21.1 b27.19
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THRDFASTOKSplit Lock WasherSteelPlain3/4split lock domestic b18.21.1 b27.13
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THRDFASTOKSplit Lock Washer316, 317, A4 StainlessPlain3/4t-316 ss split lock b18.21.1 b27.12
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THRDFASTFLSplit Lock WasherSteelPlain3/4split lock b18.21.1 b27.1221
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THRDFASTALSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)3/4split lock teflon blue b18.21.1 b27.1500
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THRDFASTALSplit Lock WasherSteelGalvanized3/4hvy patterened lock hdg b18.21.1 b27.113
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THRDFASTALSplit Lock WasherSteelCadmium3/4split lock b18.21.1 b27.112
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THRDFASTMSSplit Lock WasherSteelPlain3/4split lock domestic b18.21.1 b27.110
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KBSTNSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 split lock/w s/s b18.21.1 b27.11,047
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THRDFASTOKSplit Lock WasherSteelZinc/Yellow3/4split lock z&y domestic b18.21.1 b27.1140
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THRDFASTMSSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)3/4split lock teflon blue b18.21.1 b27.112
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MMFMISplit Lock WasherSteelZinc/Yellow3/4 lock washer mech zinc yellow usa ms35338-51 b18.21.1 b27.1118
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MMFMISplit Lock WasherSteelZinc/Yellow3/4 lock washer mech zinc yellow usa ms35338-51 b18.21.1 b27.1118
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FACCAOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4helical split lockwasher regular bolt size 3/4 (.234 wide x .188 th) 18-8 stainless steel ansi b18.21.1-1972(r1983) b18.21.1 b27.12,500
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