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5/16 Split Lock Washers (b27.1)

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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 lockwasher stainless steel b18.21.1 b27.146
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Irwin IndOntSplit Lock WasherSteelZinc/Clear5/165/16 medium lockwashers steel zinc trivalent clear b18.21.1 b27.1 60089
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Irwin IndOntSplit Lock WasherSteelZinc/Black5/165/16 medium lockwashers steel .0002 min zinc trivalent black b18.21.1 b27.11670
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Irwin IndOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 medium lockwashers 18.8 stainless steel b18.21.1 b27.11470
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GLFOHSplit Lock WasherSteelGalvanized5/165/16 lock stl hdg b18.21.1 b27.1 () () ()800
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GLFOHSplit Lock WasherSteelZinc/Clear5/165/16 lock stl zc b18.21.1 b27.1 () () ()50658
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GLFOHSplit Lock WasherSilicon BronzePlain5/165/16 lock sil brz b18.21.1 b27.1 () () ()173
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 lock 18-8 s/s b18.21.1 b27.1 () () ()12150
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GLFOHSplit Lock WasherSteelPlain5/165/16 lock stl pln b18.21.1 b27.1 () () ()2697
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow5/165/16 lock gr 8 stl zy b18.21.1 b27.1 () () ()16534
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GLFOHSplit Lock WasherSteelZinc/Yellow5/165/16 lock stl zy b18.21.1 b27.1 () () ()17913
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain5/165/16 lock 316 s/s b18.21.1 b27.1 () () ()426
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain5/165/16 lock 316 s/s domestic b18.21.1 b27.1 () () ()117
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 ss/300 med/split lock 304ss MS35338-140 b18.21.1 b27.1 () () ()625
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GLFOHSplit Lock WasherSteelZinc/Yellow5/165/16 steel med/split lock cad/yellow MS35338-45 b18.21.1 b27.1 () () ()6252
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GLFOHSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/165/16 lock stl teflon b18.21.1 b27.1 () () ()80
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow5/165/16 lock gr 8 stl zy domestic b18.21.1 b27.1 () () ()1436
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AbabaCASplit Lock WasherSteelPlain5/165/16 split lock washer al-2000 (black) hrd stl b18.21.1 b27.13650
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AbabaCASplit Lock WasherSteelGalvanized5/165/16 med split l/w hrd stl hdg b18.21.1 b27.15073
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AbabaCASplit Lock WasherSteelZinc/Clear5/165/16 med split l/w hrd stl znc b18.21.1 b27.111154
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 med split l/w s/s b18.21.1 b27.14442
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 med split l/w 25/pkg s/s b18.21.1 b27.113
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AbabaCASplit Lock WasherSteelZinc/Yellow5/165/16 med split l/w alloy yel znc b18.21.1 b27.1584
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AbabaCASplit Lock WasherSteelZinc/Yellow5/165/16 med split l/w 25/pkg alloy yel znc b18.21.1 b27.16
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain5/165/16 split lock washer 316 s/s b18.21.1 b27.1400
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AbabaCASplit Lock WasherSteelGalvanized5/165/16 med split l/w hrd stl hdg b18.21.1 b27.1300
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AbabaCASplit Lock WasherSteelZinc/Clear5/165/16 med split l/w hrd stl znc b18.21.1 b27.11100
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 med split l/w s/s b18.21.1 b27.11300
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 med split l/w 25/pkg s/s b18.21.1 b27.16
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AbabaCASplit Lock WasherSteelZinc/Yellow5/165/16 med split l/w alloy yel znc b18.21.1 b27.1300
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AbabaCASplit Lock WasherSteelZinc/Yellow5/165/16 med split l/w 25/pkg alloy yel znc b18.21.1 b27.18
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 18-8 stainless steel medium split lock washer) b18.21.1 b27.13350
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QFCTXSplit Lock WasherSteelPlain5/165/16 med split lock plain b18.21.1 b27.14100
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QFCTXSplit Lock WasherSteelPlain5/165/16 med split lock plain b18.21.1 b27.112500
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear5/165/16 light spring lock zinc (96 hrs sst white rust) rohs b18.21.1 b27.187601
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QFCTXSplit Lock WasherSteelZinc/Clear5/165/16 split lock trivalent clear b18.21.1 b27.110600
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QFCTXSplit Lock WasherSteelZinc/Clear5/165/16 split lock trivalent clear b18.21.1 b27.119500
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QFCTXSplit Lock WasherSteelZinc/Clear5/165/16 split lock trivalent clear b18.21.1 b27.16000
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QFCTXSplit Lock WasherSteelZinc/Black5/165/16 split lock steel black zinc b18.21.1 b27.1500
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QFCTXSplit Lock WasherSteelZinc/Yellow5/165/16 split lock zinc/yellow b18.21.1 b27.110538
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QFCTXSplit Lock WasherSteelZinc/Yellow5/165/16 split lock zinc/yellow b18.21.1 b27.132750
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QFCTXSplit Lock WasherSilicon BronzePlain5/165/16 split lock sili brnz b18.21.1 b27.1500
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 s/s b18.21.1 b27.121000
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 s/s b18.21.1 b27.117000
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 s/s b18.21.1 b27.11195
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QFCTXSplit Lock WasherSteelGalvanized5/165/16 med split lock hdg domestic b18.21.1 b27.12672
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QFCTXSplit Lock WasherSteelGalvanized5/165/16 med split lock mech galv domestic b18.21.1 b27.15720
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QFCTXSplit Lock WasherSteelGalvanized5/165/16 split lock hdg b18.21.1 b27.111
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QFCTXSplit Lock WasherSteelGalvanized5/165/16 split lock hdg b18.21.1 b27.112470
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 b18.21.1 b27.12748
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 b18.21.1 b27.148
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 split lock 18-8 b18.21.1 b27.12291
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B & K FASTPASplit Lock WasherSteelGalvanized5/165/16 lockwashers hd galv b18.21.1 b27.115334
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B & K FASTPASplit Lock WasherGrade 8Zinc/Yellow5/165/16 lockwashers gr 8 z yellow b18.21.1 b27.123487
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B & K FASTPASplit Lock WasherSteelZinc/Clear5/165/16 medium lockwashers zinc b18.21.1 b27.12524
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B & K FASTPASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 med lockwashers 18-8 stainless b18.21.1 b27.181096
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B & K FASTPASplit Lock Washer316, 317, A4 StainlessPlain5/165/16 med lockwashers t 316 stainless b18.21.1 b27.1111
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JET FITTINGCASplit Lock Washer316, 317, A4 StainlessPlain5/16washer lock split 5/16 stainless steel 316 (a4) b18.21.1 b27.1100
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JET FITTINGCASplit Lock WasherSteelPlain5/165/16 split lock washer steel b18.21.1 b27.15750
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JET FITTINGCASplit Lock WasherSteelZinc/Clear5/165/16 split lock washer steel zinc b18.21.1 b27.1165
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JET FITTINGCASplit Lock WasherSteelZinc/Yellow5/165/16 split lock washer steel zinc yellow b18.21.1 b27.12410
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JET FITTINGCASplit Lock WasherSteelZinc/Clear5/165/16 split lock washer steel zinc plated b18.21.1 b27.15000
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JET FITTINGCASplit Lock WasherSteelBlack Oxide5/165/16 medium split lock washers steel black oxide b18.21.1 b27.19500
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JET FITTINGCASplit Lock WasherSteelGalvanized5/165/16 split lock washer steel hot dip galvanized b18.21.1 b27.1400
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WurthOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16wsh reg splt lw sst (18-8) 5/16 b18.21.1 b27.1903
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THRDFASTFLSplit Lock WasherAluminumPlain5/16alum split lock b18.21.1 b27.1912
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THRDFASTFLSplit Lock WasherSilicon BronzePlain5/16sili brnz split lock b18.21.1 b27.1160
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THRDFASTFLSplit Lock WasherAluminumPlain5/16alum split lock b18.21.1 b27.1284
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THRDFASTFLSplit Lock WasherSilicon BronzePlain5/16sili brnz split lock b18.21.1 b27.164
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DavisILSplit Lock WasherSteelZinc/Yellow5/165/16 med split lockwasher-steel zinc and yellow b18.21.1 b27.15,000
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DavisILSplit Lock WasherSteelBlack Oxide5/165/16 med split lockwasher-steel black oxide b18.21.1 b27.19,300
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