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1/4 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4ms35338-139 lockwasher b18.21.1 b27.175
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Irwin IndOntSplit Lock WasherSteelZinc/Yellow1/41/4 heavy lockwasher zinc dichromate b18.21.1 b27.12167
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Irwin IndOntSplit Lock Washer316, 317, A4 StainlessPlain1/41/4 medium lockwashers 316 stainless steel b18.21.1 b27.11500
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Irwin IndOntSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 medium lockwashers 18.8 stainless steel b18.21.1 b27.1 1572
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Irwin IndOntSplit Lock WasherSteelZinc/Clear1/41/4 medium lockwashers steel zinc trivalent b18.21.1 b27.1 175700
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Irwin IndOntSplit Lock WasherSteelZinc/Black1/41/4 medium lockwashers steel .0002 min zinc trivalent black b18.21.1 b27.110485
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Irwin IndOntSplit Lock WasherSteelZinc/Clear1/41/4 heavy lockwashers steel zinc trivalent clear b18.21.1 b27.19700
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GLFOHSplit Lock WasherSteelZinc/Clear1/41/4 hvy lock stl zc b18.21.1 b27.1 () () ()1962
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain1/41/4 lock 316 s/s b18.21.1 b27.1 () () ()7535
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 lock 18-8 s/s b18.21.1 b27.1 () () ()30653
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow1/41/4 lock gr 8 stl zy b18.21.1 b27.1 () () ()30126
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GLFOHSplit Lock WasherSteelGalvanized1/41/4 lock stl hdg b18.21.1 b27.1 () () ()21845
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GLFOHSplit Lock WasherSteelBlack Oxide1/41/4 lock stl blk ox b18.21.1 b27.1 () () ()7425
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GLFOHSplit Lock WasherSteelZinc/Clear1/41/4 lock stl zc b18.21.1 b27.1 () () ()46373
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GLFOHSplit Lock WasherSteelPlain1/41/4 lock stl pln b18.21.1 b27.1 () () ()22248
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GLFOHSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1/41/4 lock stl teflon b18.21.1 b27.1 () () ()9035
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow1/41/4 lock gr 8 stl zy domestic b18.21.1 b27.1 () () ()1818
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GLFOHSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1/41/4 lock stl xylan 1424 b18.21.1 b27.1 () () ()2
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GLFOHSplit Lock WasherSteelCadmium/Yellow1/41/4 bronze med/split lock cad/yellow MS35338-101 b18.21.1 b27.1 () () ()5
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 ss/300 med/split lock 304ss MS35338-139 b18.21.1 b27.1 () () ()1094
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GLFOHSplit Lock WasherSteelCadmium/Yellow1/41/4 steel med/split lock cad/yellow MS35338-44 b18.21.1 b27.1 () () ()6290
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BHAMALSplit Lock WasherSteelGalvanized1/41/4 split lockwasher galv b18.21.1 b27.1879
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BHAMALSplit Lock WasherSilicon BronzePlain1/41/4 split lock sili brze b18.21.1 b27.120
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OptimasILSplit Lock WasherSteelZinc/Clear1/41/4 asme b18.21.1 split lock washer spring steel zinc triv rohs pack of 1001617
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain1/41/4 lock 316 s/s domestic b18.21.1 b27.1 () () ()295
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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 WasherSteelGalvanized1/41/4 med split l/w hrd stl hdg b18.21.1 b27.114280
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AbabaCASplit Lock WasherSteelZinc/Clear1/41/4 med split l/w hrd stl znc b18.21.1 b27.148110
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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 WasherSteelZinc/Yellow1/41/4 med split l/w alloy yel znc b18.21.1 b27.14500
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AbabaCASplit Lock WasherSteelZinc/Yellow1/41/4 med split l/w 25/pkg alloy yel znc b18.21.1 b27.121
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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.)Plain1/41/4 split lock washer stainless steel domestic b18.21.1 b27.110
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain1/41/4 med split l/w 316 s/s b18.21.1 b27.1300
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AbabaCASplit Lock WasherSteelGalvanized1/41/4 med split l/w hrd stl hdg b18.21.1 b27.1700
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AbabaCASplit Lock WasherSteelZinc/Clear1/41/4 med split l/w hrd stl znc b18.21.1 b27.13300
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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 b27.1700
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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 b27.16
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AbabaCASplit Lock WasherSteelZinc/Yellow1/41/4 med split l/w alloy yel znc b18.21.1 b27.11400
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AbabaCASplit Lock WasherSteelZinc/Yellow1/41/4 med split l/w 25/pkg alloy yel znc b18.21.1 b27.14
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Alma BoltMISplit Lock WasherSteelPlain1/41/4 (M6) TWIN DISC LOCK WSR b18.21.1 b27.1332
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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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JET FITTINGCASplit Lock WasherSteelPlain1/41/4 split l/w stl zi DMLZP0250 b18.21.1 b27.179262
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JET FITTINGCASplit Lock WasherSteelGalvanized1/41/4 split l/w stl hdg 350001 b18.21.1 b27.1600
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split l/w 18-8 ss 24AM1/4 b18.21.1 b27.156910
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4ms35338-139 1/4 split l/w s/s 304ss MS35338-139 b18.21.1 b27.122742
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JET FITTINGCASplit Lock Washer316, 317, A4 StainlessPlain1/41/4 split l/w 316 ss 2-L-25 b18.21.1 b27.19590
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JET FITTINGCASplit Lock WasherSteelZinc/Yellow1/41/4 split lock steel camium ii plated yellow JET 416SLW SC2 b18.21.1 b27.120245
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StandardMASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 lock washer 18-8 stainless steel b18.21.1 b27.1395700
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QFCTXSplit Lock WasherSteelPlain1/41/4 med split lock plain b18.21.1 b27.112660
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 heavy split l/w trivalent clear zinc b18.21.1 b27.119100
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear1/41/4 light spring lock zinc (96 hrs sst white rust) rohs b18.21.1 b27.1213595
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 split lock trivalent zinc b18.21.1 b27.165000
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 split lock trivalent zinc b18.21.1 b27.119000
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear1/41/4 regular helical spring lock zinc (96 hrs sst for white rust) rohs b18.21.1 b27.1958789
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QFCTXSplit Lock WasherSteelZinc/Black1/41/4 split lock black zinc b18.21.1 b27.16349
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QFCTXSplit Lock WasherSteelNickel Plated1/41/4 split lock nickel plated b18.21.1 b27.11800
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QFCTXSplit Lock WasherSteelGalvanized1/41/4 reg split l/w galvanized b18.21.1 b27.1386
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 split lock zinc b18.21.1 b27.1160000
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 split lock zinc b18.21.1 b27.112000
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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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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 18-8 s/s steel b18.21.1 b27.173
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 18-8 s/s steel b18.21.1 b27.129600
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 18-8 s/s steel b18.21.1 b27.128800
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 18-8 s/s steel b18.21.1 b27.1100
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 18-8 s/s steel domestic b18.21.1 b27.1625
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QFCTXSplit Lock WasherSteelZinc/Clear1/41/4 dished type lock 1/4 dished type lock .875x.039 steel zinc b18.21.1 b27.117000
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CascadeORSplit Lock WasherSteelGalvanized1/4medium split lock s an b18.21.117000
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B & K FASTPASplit Lock WasherGrade 8Zinc/Yellow1/41/4 lockwashers gr 8 z yellow b18.21.1 b27.120069
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B & K FASTPASplit Lock WasherSteelZinc/Clear1/41/4 medium lockwashers zinc b18.21.1 b27.121564
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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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General FMISplit Lock WasherSteelZinc/Clear1/41/4 light lock washer stl zinc b18.21.1 b27.12867
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General FMISplit Lock WasherSteelPlain1/41/4 med lw .0002 zidi b18.21.1 b27.19500
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General FMISplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 med lw ss b18.21.1 b27.16602
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BHAMALSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock 300 ser ss b18.21.1 b27.1100
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BHAMALSplit Lock WasherSteelPlain1/41/4 split lock dom. b18.21.1 b27.147
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BHAMALSplit Lock WasherAluminumPlain1/41/4 split lock alum b18.21.1 b27.1242
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OSSCORISplit Lock WasherSilicon BronzePlain1/41/4 split lock sili brze b18.21.1 b27.1300
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QFCTXSplit Lock Washer316, 317, A4 StainlessPlain1/41/4 lock washer a4 b18.21.1 b27.180
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QFCTXSplit Lock WasherAluminumPlain1/41/4 split lock washer aluminum b18.21.1 b27.110900
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QFCTXSplit Lock Washer316, 317, A4 StainlessPlain1/41/4 316ss lockwasher b18.21.1 b27.183
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JET FITTINGCASplit Lock WasherSteelZinc/Black1/41/4 medium split lock washers steel black zinc quantity 10000 b18.21.1 b27.110000
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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 WasherSteelBlack Oxide1/4washer lock split 1/4 steel black oxide b18.21.1 b27.19900
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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 WasherSteelGalvanized1/41/4 split lock washer steel hot dip galvanized b18.21.1 b27.1800
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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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WurthOntSplit Lock WasherSteelPlain1/4wsh hc splt lw st (pl) 1/4 b18.21.1 b27.14200
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FDLILSplit Lock WasherSteelZinc/Clear1/41/4 regular (medium) split lock washer zinc and bake 10,000pcs/ctn 10kgs/ctn b18.21.1 b27.19900
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FDLILSplit Lock WasherSteelZinc/Clear1/41/4 regular (medium) split lock washer zinc and bake 10,000pcs/ctn 10kgs/ctn b18.21.1 b27.19900
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JET FITTINGCASplit Lock WasherSteelZinc/Clear1/4washer lock split 1/4 steel zinc b18.21.1 b27.1400
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OBRIENOHSplit Lock WasherGrade 8Plain1/4med split lock gr8 ansi b18.21.1640
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THRDFASTFLSplit Lock WasherGrade 8Plain1/4gr8 split lock b18.21.1 b27.180
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THRDFASTOKSplit Lock WasherGrade 8Zinc/Yellow1/4gr8 split lock z&y b18.21.1 b27.1100
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THRDFASTOKSplit Lock Washer316, 317, A4 StainlessPlain1/4t-316 ss split lock b18.21.1 b27.19
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THRDFASTALSplit Lock WasherSteelCadmium1/4split lock b18.21.1 b27.176
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KBSTNSplit Lock WasherSteelPlain1/41/4 split lock/wshr b18.21.1 b27.152,975
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KBSTNSplit Lock WasherSteelZinc/Yellow1/41/4 alloy split l/w yellowznc b18.21.1 b27.128,894
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KBSTNSplit Lock WasherSteelZinc/Clear1/41/4 split lock/wshr plated b18.21.1 b27.126,638
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KBSTNSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 split lock/w s/s b18.21.1 b27.124,619
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THRDFASTALSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4split l/w 18-8 ss (1/4) ms35338-139 304ss b18.21.1 b27.120
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THRDFASTMSSplit Lock WasherSteelPlain1/4split lock b18.21.1 b27.1180
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THRDFASTOKSplit Lock WasherAluminumPlain1/4alum split lock b18.21.1 b27.128
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THRDFASTFLSplit Lock WasherSilicon BronzePlain1/4sili brnz split lock b18.21.1 b27.175
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MMFMISplit Lock WasherSteelZinc/Yellow1/4lock washer ms35338-44 usa ms35338-44 b18.21.1 b27.11170
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MMFMISplit Lock WasherSteelCadmium/Yellow1/4lock washer ms35338-44 usa ms35338-44 b18.21.1 b27.11170
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All SizeTXSplit Lock WasherSteelGalvanized1/41/4 split lock washer galv b18.21.1 b27.118,842
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FACCAOntSplit Lock WasherSteelZinc/Yellow1/4split lock washer 1/4 bolt size steel yellow zinc dichromate pltd b18.21.1 b27.111,950
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