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1/2 Tooth Lock Washers
Tooth Lock Washers are often used with machine screws in electrical applications, and are usually smaller diameter An Internal Tooth Lock Washer has teeth around the center hole, while an External Tooth Lock Washer has teeth around the outside. Sometimes tooth lock washers can be concave, and have both internal and external teeth. Larger diameter External Tooth Lock washers are often used to lock nuts onto shafting. In this case the external tabs are bent up to lock the nut in place.
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| Search Results Sponsored by Fasteners & Metal Products, your source for Int. & Ext. Tooth Lock Washers. For more results, visit fastmetalproducts.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Tooth Lock Washers from one of our FCH Network Members | ||||||||
| Jackson | MS | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | internal tooth l/w ss | 48 |
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| Weaver | WA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 internal lock 18-8 ss | 92 |
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| Weaver | WA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 external lock 18-8 ss | 300 |
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| MESAFAST | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | external tooth lock | 5,100.0 |
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| MESAFAST | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Black Oxide | 1/2 | external tooth lock black ox | 600.0 |
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| MESAFAST | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth lock | 100.0 |
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| Irwin Ind | Ont | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lockwasher steel zinc trivalent clear b18.21.1 | 500 |
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| Irwin Ind | Ont | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 external tooth lock washer 410 stainless steel b18.21.1 | 200 |
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| Irwin Ind | Ont | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 int. tooth washer trivalent zinc b18.21.1 | 3500 |
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| SunPack | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 carbon steel internal tooth lock zinc | 282 |
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| Set Screw | IL | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 18-8 304 internal tooth lock | inquire |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | 1/2 internal l/w (STEEL ZINC PLT) (STEEL ZINC PLT) | 3500 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | 1/2 internal l/w (410H) (410H) | 5964 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | 1/2 external l/w (STEEL TRIVALENT CLEAR) (STEEL TRIVALENT CLEAR) | 109 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | ms35333-44 | 6511 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | ms35333-78 | 98 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | ms35335-37 | 32 |
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| YANKEE | NH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lock washer zinc plated | 522 |
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| YANKEE | NH | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1/2 | 1/2 external tooth l/w stn stl | 94 |
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| YANKEE | NH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 internal tooth lock washer steel zinc plated | 1660 |
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| GLF | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 internal tooth lock stl zc b18.21.1 () () () | 3230 |
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| GLF | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth countersink stl zc b18.21.1 () () () | 275 |
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| GLF | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lock stl zc b18.21.1 () () () | 1630 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal lock pl | 4450 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal lock small pattern pl | 7750 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | internal/external lock | 530 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal lock pl | 780 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | external l/w s/s | 250 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Painted | 1/2 | internal l/w bronze | 198 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Painted | 1/2 | internal l/w bronze shakeproof BRNZWI-.50ZY | 800 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | internal l/w s/s | 1700 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | internal l/w s/s | 200 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | internal l/w small pattern s/s | 1000 |
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| RCFast | AZ | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | internal tooth lock 18-8 304 | 500 |
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| Endries | WI | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 18-8 s/s steel external tooth lock | 100 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 ext tooth l/w 400 s/s b18.21.1 | 500 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 ext tooth l/w hrd stl znc b18.21.1 | 5820 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 int tooth l/w hrd stl znc b18.21.1 | 5127 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 int/ext tooth l/w hrd stl znc | 1250 |
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| Weaver | WA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 int/external lock zinc | 872 |
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| CIF | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lock zinc plated (12011) (12011) (11428) () | 11428 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 ext tooth l/w hrd stl znc b18.21.1 | 250 |
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| ACCURATE | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | external tooth lock | 5730 |
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| ACCURATE | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth lock | 3811 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 x 5/8 x .022 | 1/2 internal tooth lock 5/8 od .022 thk | 100,000 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Passivated | 1/2 | 1/2 external tooth lock 410 satinless MS35335-65 | 91 |
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| METRO IND | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | external tooth l/w | 769 |
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| METRO IND | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | int/external tooth l/w | 100 |
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| METRO IND | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth l/w | 1675 |
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| Express | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lock zinc pltd | 70 |
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| SunPack | FL | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 410 ss internal tooth lock | 44 |
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| Purchase | MO | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 int. tooth l/w zinc | 5100 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external lock zinc b18.21.1 | 329 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external lock zinc b18.21.1 | 60 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 internal lock zinc (s) b18.21.1 | 700 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | 1/2 external tooth l/w zinc/yellow b18.21.1 | 1922 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | 1/2 extra heavy split-lock steel yellow zinc b18.21.1 | 800 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Galvanized | 1/2 | 1/2 extra heavy split-lock steel galvanized b18.21.1 | 70 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 extra duty lock trivalent zinc b18.21.1 | 3463 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 external tooth lock 18-8 s/s steel b18.21.1 | 300 |
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| SIS | AZ | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 external tooth lock steel zinc | 4500 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | 1/2 external tooth lockwashers zinc/yel b18.21.1 | 9668 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 external lockwashers stainless 410 b18.21.1 | 82 |
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| TSF | TX | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Passivated | 1/2 | lockwasher int. tooth 410 ss pass. 1/2 | 1000 |
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| TSF | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | ext. tooth l.w. zinc 1/2 | 3120 |
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| TSF | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | int. tooth l.w. trivalent zinc 1/2 | 13994 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 s/s external tooth lockwasher 410 | 75 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 internal tooth lockwasher z/p rohs | 100 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 internal tooth lockwasher z/p rohs compliant | 50 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | 1/2 internal tooth lockwasher zinc ii | 1820 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | 1/2 410 s/s special internal tooth lockwasher | 100 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Black Oxide | 1/2 | washer lock 1/2 steel black oxide internal star b18.21.1 | 1500 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | washer lock 1/2 steel zinc plated internal star b18.21.1 | 3900 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | washer lock 1/2 stainless steel 400 external star b18.21.1 | 100 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | washer internal l/w a steel (zy) 1/2 | 13,650 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | washer internal l/w a steel (zn) 1/2 | 5,168 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | washer external l/w a steel (zy) 1/2 | 4,015 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | washer internal l/w a steel (zt) 1/2 | 6,187 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | washer external l/w a steel (zn) 1/2 | 7,379 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | washer internal l/w a s/s 410 1/2 | 3,150 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | washer external l/w a s/s 410 1/2 | 707 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal l/w | 750 |
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| MTP | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | 1/2 zn int-tooth l/washers | stock |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | 1/2 | washer lock 1/2 steel zinc plated yellow external star b18.21.1 | 5500 |
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| THRDFAST | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth l/w b18.21.1 | 166 |
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| Hewes | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | external tooth l/w pl | 3848 |
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| Hewes | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth l/w pl | 31412 |
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| Lightning | LA | Tooth Lock Washer (Int. & Ext.) | Silicon Bronze | Plain | 1/2 | internal tooth lock | 63 |
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| Lightning | LA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/2 | internal tooth lock 410 ss | 374 |
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| Lightning | LA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/2 | internal tooth lock | 518 |
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