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1/2 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 WasherSteelZinc/Yellow1/21/2 medium lockwashers zinc dichromate b18.21.1 b27.13900
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Irwin IndOntSplit Lock WasherSteelGalvanized1/21/2 regular split lockwasher steel hot dipped galvanized b18.21.1 b27.150
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Irwin IndOntSplit Lock WasherSteelZinc/Clear1/21/2 medium lockwasher steel zinc trivalent clear b18.21.1 b27.1550
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GLFOHSplit Lock WasherSteelBlack Oxide1/21/2 lock stl blk ox b18.21.1 b27.1 () () ()218
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain1/21/2 lock 316 s/s b18.21.1 b27.1 () () ()1038
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GLFOHSplit Lock WasherSilicon BronzePlain1/21/2 lock sil brz b18.21.1 b27.1 () () ()35
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow1/21/2 lock gr 8 stl zy b18.21.1 b27.1 () () ()18104
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 lock 18-8 s/s b18.21.1 b27.1 () () ()18581
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GLFOHSplit Lock WasherSteelPlain1/21/2 special lock b18.21.1 b27.1 () () ()11488
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GLFOHSplit Lock WasherSteelPlain1/21/2 lock stl pln b18.21.1 b27.1 () () ()4416
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GLFOHSplit Lock WasherSteelGalvanized1/21/2 lock stl hdg b18.21.1 b27.1 () () ()10064
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GLFOHSplit Lock WasherSteelZinc/Yellow1/21/2 lock stl zy b18.21.1 b27.1 () () ()18357
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GLFOHSplit Lock WasherSteelZinc/Clear1/21/2 lock stl zc b18.21.1 b27.1 () () ()7432
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GLFOHSplit Lock WasherSteelZinc/Clear1/21/2 hvy lock stl zc b18.21.1 b27.1 () () ()502
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GLFOHSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1/21/2 lock stl teflon b18.21.1 b27.1 () () ()2425
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GLFOHSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 lock 304 s/s b18.21.1 b27.1 () () ()172
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GLFOHSplit Lock WasherSteelZinc/Yellow1/21/2 hvy lock stl zy b18.21.1 b27.1 () () ()5737
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GLFOHSplit Lock WasherGrade 8Zinc/Yellow1/21/2 lock gr 8 stl zy domestic b18.21.1 b27.1 () () ()324
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GLFOHSplit Lock Washer316, 317, A4 StainlessPlain1/21/2 lock 316 s/s domestic b18.21.1 b27.1 () () ()34
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GLFOHSplit Lock WasherSteelZinc/Clear1/21/2 lock stl zc xylan 1424 b18.21.1 b27.1 () () ()4
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GLFOHSplit Lock WasherGrade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/21/2 lock gr 8 stl magni b18.21.1 b27.1 () () ()797
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GLFOHSplit Lock WasherSilicon BronzePlain1/21/2 lock stl bzn b18.21.1 b27.1 () () ()14272
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GLFOHSplit Lock WasherSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/21/2 lock stl geomet b18.21.1 b27.1 () () ()49
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BHAMALSplit Lock WasherSilicon BronzePlain1/21/2 lock bronze b18.21.1 b27.131003
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BHAMALSplit Lock WasherSteelGalvanized1/21/2 lock hdg b18.21.1 b27.1162369
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BHAMALSplit Lock WasherGrade 8Plain1/21/2 split lock dom. gr 8 b18.21.1 b27.1116
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BHAMALSplit Lock WasherGrade 8Zinc/Yellow1/21/2 split lock gr 8 yel zn b18.21.1 b27.1371
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GLFOHSplit Lock WasherSteelPlain1/21/2 lock thru-hard stl pln domestic b18.21.1 b27.1 () () ()18
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain1/21/2 med split l/w 316 s/s b18.21.1 b27.1737
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AbabaCASplit Lock WasherSteelGalvanized1/21/2 med split l/w hrd stl hdg b18.21.1 b27.11830
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AbabaCASplit Lock WasherSteelZinc/Clear1/21/2 med split l/w hrd stl znc b18.21.1 b27.12555
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 med split l/w s/s b18.21.1 b27.11450
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 med split l/w 10/pkg s/s b18.21.1 b27.110
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AbabaCASplit Lock WasherSteelZinc/Yellow1/21/2 med split l/w alloy yel znc b18.21.1 b27.11950
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AbabaCASplit Lock WasherSteelZinc/Yellow1/21/2 med split l/w 10/pkg alloy yel znc b18.21.1 b27.18
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AbabaCASplit Lock WasherSteelGalvanized1/21/2 split lock washer domestic hrd stl hdg b18.21.1 b27.150
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AbabaCASplit Lock Washer316, 317, A4 StainlessPlain1/21/2 med split l/w 316 s/s b18.21.1 b27.1150
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AbabaCASplit Lock WasherSteelGalvanized1/21/2 med split l/w hrd stl hdg b18.21.1 b27.1250
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AbabaCASplit Lock WasherSteelZinc/Clear1/21/2 med split l/w hrd stl znc b18.21.1 b27.1850
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 med split l/w s/s b18.21.1 b27.1650
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AbabaCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 med split l/w 10/pkg s/s b18.21.1 b27.15
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AbabaCASplit Lock WasherSteelPlain1/21/2 split lock washer armor coated alloy b18.21.1 b27.175
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AbabaCASplit Lock WasherSteelZinc/Yellow1/21/2 med split l/w alloy yel znc b18.21.1 b27.1200
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AbabaCASplit Lock WasherSteelZinc/Yellow1/21/2 med split l/w 10/pkg alloy yel znc b18.21.1 b27.14
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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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JET FITTINGCASplit Lock WasherSteelZinc/Clear1/2lock 1/2 steel zinc plated split (light) 816SLLWW SZT b18.21.1 b27.1465
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JET FITTINGCASplit Lock WasherSteelZinc/Clear1/21/2 split l/w stl zinc DMLZP05000 b18.21.1 b27.138084
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JET FITTINGCASplit Lock WasherSteelZinc/Yellow1/21/2 split l/w alloy stl thru-hard zy 340250 b18.21.1 b27.12898
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 split l/w 18-8 ss LWIX050 b18.21.1 b27.13452
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JET FITTINGCASplit Lock WasherSteelGalvanized1/21/2 reg split lock wash hdg 350004 b18.21.1 b27.11979
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JET FITTINGCASplit Lock Washer316, 317, A4 StainlessPlain1/21/2 split l/w 316 ss 755054 b18.21.1 b27.1100
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StandardMASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 lock washer 18-8 stainless steel b18.21.1 b27.1108550
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StandardMASplit Lock WasherSilicon BronzePlain1/21/2 lock washer silicon bronze b18.21.1 b27.150
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StandardMASplit Lock Washer316, 317, A4 StainlessPlain1/21/2 lock washer 316 stainless steel b18.21.1 b27.123306
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StandardMASplit Lock WasherSteelGalvanized1/21/2 lock washer galvanized b18.21.1 b27.1690
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General FMISplit Lock WasherSteelZinc/Black1/21/2 med lock .0003 zn nickel w/black b18.21.1 b27.13300
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General FMISplit Lock WasherSteelZinc/Clear1/21/2 med lock zn b18.21.1 b27.1288950
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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 WasherSteelZinc/Clear1/21/2 split lock triv zinc b18.21.1 b27.1142
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QFCTXSplit Lock WasherSteelZinc/Clear1/21/2 split lock triv zinc b18.21.1 b27.13291
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QFCTXSplit Lock WasherSteelZinc/Clear1/21/2 split lock triv zinc b18.21.1 b27.11000
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear1/21/2 regular helica spring lock zinc (96 hrs sst for white rust) rohs b18.21.1 b27.11427590
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 split lock galvanized domestic b18.21.1 b27.116
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QFCTXSplit Lock WasherGrade 8Zinc/Yellow1/21/2 split lock gr 8 zinc/yellow b18.21.1 b27.116150
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 reg split lock galvanized imp b18.21.1 b27.180
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 reg split lock galvanized imp b18.21.1 b27.1635
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 regular split lock 304 18-8 304 steel b18.21.1 b27.15000
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 regular split lock 304 18-8 304 steel b18.21.1 b27.134
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QFCTXSplit Lock Washer316, 317, A4 StainlessPlain1/21/2 lock 316 stainless steel b18.21.1 b27.18830
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 split lock 18-8 s/s usa b18.21.1 b27.12182
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QFCTXSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 split lock 18-8 s/s usa b18.21.1 b27.18150
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QFCTXSplit Lock WasherSteelPlain1/21/2 med split lock plain domestic b18.21.1 b27.1100
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 med split lock hdg domestic b18.21.1 b27.14
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 med split lock hdg domestic b18.21.1 b27.13
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 med split lock hdg domestic b18.21.1 b27.1648
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QFCTXSplit Lock WasherSteelGalvanized1/21/2 med split lock hdg domestic b18.21.1 b27.11690
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B & K FASTPASplit Lock WasherSteelGalvanized1/21/2 lockwasher hd galv b18.21.1 b27.12882
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B & K FASTPASplit Lock WasherSteelGalvanized1/21/2 lockwasher hd galv domestic b18.21.1 b27.11938
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B & K FASTPASplit Lock WasherGrade 8Zinc/Yellow1/21/2 lockwashers gr 8 z yellow b18.21.1 b27.14556
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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 WasherSteelZinc/Clear1/21/2 medium lockwashers zinc b18.21.1 b27.15489
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B & K FASTPASplit Lock WasherSteelZinc/Clear1/21/2 medium lockwashers zinc domestic b18.21.1 b27.13563
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B & K FASTPASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 med lockwashers 18-8 stainless b18.21.1 b27.1976
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B & K FASTPASplit Lock Washer316, 317, A4 StainlessPlain1/21/2 med lockwashers t 316 stainless b18.21.1 b27.139
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BHAMGASplit Lock WasherSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/21/2 hastelloy c276 split lock s b18.21.1 b27.1200
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General FMISplit Lock Washer316, 317, A4 StainlessPlain1/21/2 med lock 316 ss b18.21.1 b27.11,119
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General FMISplit Lock WasherSteelZinc/Yellow1/21/2 med lock mech zn ylw b18.21.1 b27.128104
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General FMISplit Lock WasherSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/21/2 med lw magni 565 b18.21.1 b27.179125
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OSSCORISplit Lock WasherSteelZinc/Clear1/21/2 lite split l/w plated b18.21.1 b27.1371
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OSSCORISplit Lock WasherSilicon BronzePlain1/21/2 split lock sili brze b18.21.1 b27.112
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QFCTXSplit Lock WasherSteelPlain1/21/2 hi-alloy lockwasher plain b18.21.1 b27.11757
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QFCTXSplit Lock WasherSteelCopper Plated1/21/2 split lockwasher copper plate b18.21.1 b27.1429
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JET FITTINGCASplit Lock WasherSteelBlack Oxide1/2washer lock 1/2 black oxide and wax split (hi-alloy) b18.21.1 b27.150
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JET FITTINGCASplit Lock WasherSteelBlack Oxide1/2washer lock 1/2 steel black oxide and wax split b18.21.1 b27.1200
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JET FITTINGCASplit Lock WasherSteelGalvanized1/21/2 split lock washer steel hot dip galvanized b18.21.1 b27.1152
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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 WasherSteelZinc/Clear1/21/2 split lockwasher steel zinc b18.21.1 b27.196
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JET FITTINGCASplit Lock WasherSteelZinc/Clear1/2washer lock 1/2 steel zinc platedii split b18.21.1 b27.1100
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JET FITTINGCASplit Lock WasherSteelZinc/Clear1/21/2 split lockwasher steel zinc b18.21.1 b27.12350
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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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WurthOntSplit Lock WasherSteelZinc/Yellow1/2wsh hvy splt lw st (zy) 1/2 b18.21.1 b27.14475
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FDLILSplit Lock WasherSteelZinc/Clear1/21/2 regular (medium) split lock washer zinc and bake 2,000pcs/ctn 12kgs/ctn b18.21.1 b27.11950
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FDLILSplit Lock WasherSteelZinc/Clear1/21/2 regular (medium) split lock washer zinc and bake 2,000pcs/ctn 12kgs/ctn b18.21.1 b27.11950
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NWFASTTXSplit Lock WasherSteelCadmium1/21/2 helical spring lock washer medium split carbon steel cadmium plated & fluoropolymer coating b18.21.1 b27.11924
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JET FITTINGCASplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2washer lock 1/2 stainless steel split lite b18.21.1 b27.1110
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THRDFASTFLSplit Lock WasherSilicon BronzePlain1/2sili brnz split lock b18.21.1 b27.150
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THRDFASTFLSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/218-8 ss split lock domestic b18.21.1 b27.124
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THRDFASTOKSplit Lock WasherSteelZinc/Yellow1/2split lock z&y domestic b18.21.1 b27.12,687
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THRDFASTOKSplit Lock WasherSteelZinc/Clear1/2split lock domestic b18.21.1 b27.11,417
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THRDFASTOKSplit Lock WasherSilicon BronzePlain1/2sili brnz split lock b18.21.1 b27.155
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THRDFASTALSplit Lock WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1/2split lock teflon blue b18.21.1 b27.1338
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THRDFASTALSplit Lock WasherAluminumPlain1/2alum split lock 205 finish b18.21.1 b27.1265
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THRDFASTALSplit Lock WasherNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/2k-monel split lock b18.21.1 b27.1110
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THRDFASTALSplit Lock WasherSteelCadmium1/2split lock b18.21.1 b27.198
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KBSTNSplit Lock Washer316, 317, A4 StainlessPlain1/21/2 split lock/w 316 s/s b18.21.1 b27.12,162
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THRDFASTALSplit Lock WasherSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2hastelloy b-2 split lock b18.21.1 b27.124
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THRDFASTALSplit Lock WasherSilicon BronzePlain1/2sili brnz split lock tin b18.21.1 b27.1356
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THRDFASTOKSplit Lock WasherSteelZinc/Yellow1/2split lock z&y b18.21.1 b27.111
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THRDFASTOKSplit Lock WasherSteelPlain1/2split lock domestic b18.21.1 b27.12
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WSBKYSplit Lock Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2washer reg splt lw 18-8 (ni blk) 1/2 b18.21.1 b27.1964
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FACCAOntSplit Lock WasherSteelZinc/Yellow1/2split lock washer 1/2 bolt size steel yellow zinc dichromate pltd b18.21.1 b27.113,866
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