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Split Lock Washers , Plain (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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCASplit Lock Washer316, 317, A4 StainlessPlain11 med split l/w 316 s/s b18.21.1 b27.110
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 med split l/w s/s b18.21.1 b27.117
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain#10#10 med split l/w 316 s/s b18.21.1 b27.11859
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 med split l/w s/s b18.21.1 b27.110375
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AbabaCASplit Lock WasherSilicon BronzePlain#10#10 med split l/w sili brz b18.21.1 b27.12981
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AbabaCASplit Lock WasherSteelPlain1 1/41 1/4 med split l/w hrd stl pln b18.21.1 b27.15
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/41 1/4 med split l/w s/s b18.21.1 b27.12
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AbabaCASplit Lock WasherSteelPlain1 1/81 1/8 med split l/w alloy pln b18.21.1 b27.1192
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain#12#12 split lock washer 316 s/s b18.21.1 b27.1100
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12#12 med split l/w s/s b18.21.1 b27.1400
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AbabaCASplit Lock WasherSilicon BronzePlain#12#12 med split l/w sili brz b18.21.1 b27.1264
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AbabaCASplit Lock WasherSteelPlain1 1/21 1/2 med split l/w hrd stl pln b18.21.1 b27.113
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/21 1/2 med split l/w s/s b18.21.1 b27.18
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain1/41/4 med split l/w 316 s/s b18.21.1 b27.11150
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AbabaCASplit Lock WasherSteelPlain1/41/4 split lock washer al-2000 (black) hrd stl b18.21.1 b27.17464
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 med split l/w s/s b18.21.1 b27.18300
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 med split l/w 25/pkg s/s b18.21.1 b27.116
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AbabaCASplit Lock WasherSilicon BronzePlain1/41/4 med split l/w sili brz b18.21.1 b27.131
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2#2 med split l/w s/s b18.21.1 b27.12400
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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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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 18-8 stainless steel split lock washer b18.21.1 b27.19600
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 18-8 stainless steel medium split lock washer) b18.21.1 b27.14350
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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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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 18-8 stainless steel medium split lock washer) b18.21.1 b27.12991
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/167/16 18-8 stainless steel medium split lock washer) b18.21.1 b27.150
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 18-8 stainless steel medium split lock washer) b18.21.1 b27.1200
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/87/8 18-8 stainless steel medium split lock washer) b18.21.1 b27.1100
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SIIINSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 split lock washers stain a2 (18-8) b18.21.1 b27.1100
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QFCTXSplit Lock WasherSteelPlain1/41/4 med split lock plain b18.21.1 b27.112660
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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 WasherSteelPlain3/83/8 med split lock plain b18.21.1 b27.1700
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QFCTXSplit Lock WasherSteelPlain7/167/16 med split lock plain (110/lb) b18.21.1 b27.13706
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QFCTXSplit Lock WasherSteelPlain7/167/16 med split lock plain (110/lb) b18.21.1 b27.1300
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QFCTXSplit Lock WasherSteelPlain1/21/2 med split lock plain b18.21.1 b27.11112
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QFCTXSplit Lock WasherSteelPlain1/21/2 med split lock plain b18.21.1 b27.1300
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QFCTXSplit Lock WasherSteelPlain5/85/8 med split lock plain b18.21.1 b27.11700
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QFCTXSplit Lock WasherSteelPlain5/85/8 hi-alloy lock plain b18.21.1 b27.150
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QFCTXSplit Lock WasherSteelPlain3/43/4 hi-alloy lock plain b18.21.1 b27.150
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QFCTXSplit Lock WasherSteelPlain7/87/8 med split lock plain b18.21.1 b27.157
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QFCTXSplit Lock WasherSteelPlain11 plain hi-alloy lock b18.21.1 b27.1500
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 split lock 18-8 304 steel b18.21.1 b27.11411
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 split lock 18-8 s/s b18.21.1 b27.14500
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QFCTXSplit Lock WasherSteelPlain1 1/21-1/2 split lock b18.21.1 b27.161
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QFCTXSplit Lock WasherSteelPlain1 3/41 3/4 regular split lock b18.21.1 b27.112
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QFCTXSplit Lock WasherSilicon BronzePlain1/41/4 split lock silicon bronze b18.21.1 b27.127899
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QFCTXSplit Lock WasherPhosphor BronzePlain1/41/4 split lock phos bronze nickel b18.21.1 b27.11000
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QFCTXSplit Lock WasherSilicon BronzePlain1/41/4 split lock phosphor-bronze silver b18.21.1 b27.113
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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 WasherSteelPlain7/87/8 heavy lockwashers plain b18.21.1 b27.166
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B & K FASTPASplit Lock WasherSteelPlain11 heavy lockwashers plain b18.21.1 b27.152
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B & K FASTPASplit Lock WasherSteelPlain1 1/81 1/8 heavy lockwashers plain b18.21.1 b27.1427
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B & K FASTPASplit Lock WasherSteelPlain1 1/21 1/2 heavy lockwashers plain b18.21.1 b27.1856
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B & K FASTPASplit Lock WasherSteelPlain3/83/8 medium lockwashers plain b18.21.1 b27.11219
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B & K FASTPASplit Lock WasherSteelPlain1/21/2 medium lockwashers plain b18.21.1 b27.14011
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B & K FASTPASplit Lock WasherSteelPlain5/85/8 medium lockwashers plain b18.21.1 b27.12746
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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 WasherSteelPlain7/87/8 medium lockwashers plain b18.21.1 b27.11250
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B & K FASTPASplit Lock WasherSteelPlain1 1/41 1/4 medium lockwashers z yellow b18.21.1 b27.1692
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B & K FASTPASplit Lock WasherSteelPlain1 3/81 3/8 medium lockwashers plain b18.21.1 b27.1253
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B & K FASTPASplit Lock WasherSteelPlain2 1/22 1/2 medium lockwashers plain b18.21.1 b27.183
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B & K FASTPASplit Lock WasherSteelPlain2 3/42 3/4 medium lockwasher plain b18.21.1 b27.147
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B & K FASTPASplit Lock WasherSteelPlain04w04 spanner lockwasher .801 id b18.21.1 b27.175
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B & K FASTPASplit Lock WasherSteelPlain05w05 spanner lockwasher .989 id b18.21.1 b27.175
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B & K FASTPASplit Lock WasherSteelPlain5/85/8 vibration proof lockwashers m16(set) b18.21.1 b27.1258
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B & K FASTPASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 med lockwashers 18-8 stainless b18.21.1 b27.16819
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B & K FASTPASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 med lockwashers 18-8 stainless b18.21.1 b27.1230
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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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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 split lock washer stainless steel 18-8 b18.21.1 b27.14025
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2#2 split lock washer stainless steel 18-8 b18.21.1 b27.13970
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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 Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 split lock washer stainless steel 18-8 b18.21.1 b27.12070
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JET FITTINGCASplit Lock WasherSteelPlaingesipa locking washer b18.21.1 b27.11
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2washer lock 1/2 stainless steel split b18.21.1 b27.158
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3#3 split lock washer stainless steel 18-8 b18.21.1 b27.19035
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JET FITTINGCASplit Lock WasherSteelPlain1/4washer lock split 1/4 steel b18.21.1 b27.14000
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock washer stainless steel 18-8 b18.21.1 b27.16070
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JET FITTINGCASplit Lock WasherSteelPlain1/21/2 washers lockwashers split lock washer regular plain (inch) b18.21.1 b27.140
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4washer lock #4 stainless steel split b18.21.1 b27.1100
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6washer lock #6 stainless steel split dfar certs required b18.21.1 b27.11370
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10#10 split lock washer stainless steel 18-8 b18.21.1 b27.12700
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4washer lock split 1/4 stainless steel b18.21.1 b27.1255
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JET FITTINGCASplit Lock WasherSteelPlain#4washer lock split #4 stainless steel b18.21.1 b27.1100
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0#0 split lock washer stainless steel 18-8 b18.21.1 b27.1200
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8washer lock split 5/8 stainless steel b18.21.1 b27.1195
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4washer lock #4 split stainless steel b18.21.1 b27.16155
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5washer lock #5 split stainless steel b18.21.1 b27.12987
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