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Tooth Lock Washers (ANSI ASME B18. 21.1)
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.
552 Tooth Lock Washer (Int. & Ext.) (ansi b18.21.1), showing 200, (click on any line for more information)
| 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 | ||||||||
| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #6 | #6 internal lock washer zinc (shakeproof) b18.21.1 | 1 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10 | #10 ext tooth l/w 400 s/s b18.21.1 | 2800 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 ext tooth l/w hrd stl znc b18.21.1 | 1264 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Silicon Bronze | Plain | #10 | #10 ext tooth l/w sili brz b18.21.1 | 1000 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10 | #10 int tooth l/w 400 s/s b18.21.1 | 1250 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Black Oxide | #10 | #10 int tooth l/w hrd stl blk ox wax b18.21.1 | 2579 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 int tooth l/w hrd stl znc b18.21.1 | 8538 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #12 | #12 ext tooth l/w hrd stl znc b18.21.1 | 5097 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/4 | 1/4 ext tooth l/w 400 s/s b18.21.1 | 261 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/4 | 1/4 ext tooth l/w hrd stl znc b18.21.1 | 5300 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/4 | 1/4 int tooth l/w 400 s/s b18.21.1 | 2873 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Black Oxide | 1/4 | 1/4 int tooth l/w hrd stl blk ox wax b18.21.1 | 1840 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/4 | 1/4 int tooth l/w hrd stl znc b18.21.1 | 14150 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #2 | #2 int tooth l/w 400 s/s b18.21.1 | 338 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #2 | #2 int tooth l/w hrd stl znc b18.21.1 | 2900 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 5/16 | 5/16 ext tooth l/w 400 s/s b18.21.1 | 958 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/16 | 5/16 ext tooth l/w hrd stl znc b18.21.1 | 6487 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 5/16 | 5/16 int tooth l/w 400 s/s b18.21.1 | 1165 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/16 | 5/16 int tooth l/w hrd stl znc b18.21.1 | 10600 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 3/8 | 3/8 ext tooth l/w 400 s/s b18.21.1 | 1140 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 external tooth lockwasher zinc cr+3 ( b18.21.1 | 31600 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 zinc finish internal tooth lock washer b18.21.1 | 47037 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 7/16 | 7/16 zinc finish internal tooth lock washer b18.21.1 | 400 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 zinc finish external tooth lock washer b18.21.1 | 39633 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/4 | 1/4 zinc finish external tooth lock washer b18.21.1 | 36571 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/8 | 5/8 zinc finish external tooth lock washer b18.21.1 | 5400 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/4 | 3/4 zinc finish external tooth lock washer b18.21.1 | 2200 |
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| SII | IN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/16 | 5/16 internal tooth lock washer zinc) b18.21.1 | 6930 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #6 | #6 internal lock zinc b18.21.1 | 380 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #4 | #4 internal lock zinc b18.21.1 | 11314 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #6 | #6 internal lock zinc b18.21.1 | 400 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 external lock zinc b18.21.1 | 2173 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 external lock zinc b18.21.1 | 50 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 external lock zinc b18.21.1 | 200 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 internal lock zinc b18.21.1 | 2440 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | #8 internal lock zinc b18.21.1 | 588 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 external lock zinc b18.21.1 | 47 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 external lock zinc b18.21.1 | 2900 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 internal lock zinc b18.21.1 | 70 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #12 | #12 external lock zinc b18.21.1 | 300 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #12 | #12 external lock zinc b18.21.1 | 5000 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/4 | 1/4 external lock zinc b18.21.1 | 161 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 1/4 | 1/4 internal lock zinc b18.21.1 | 647 |
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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/Clear | 10 x 96 | no 10 countersink tooth lock zinc plated (96 hrs salt spray test white rust) rohs b18.21.1 | 121122 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 external tooth l/w trivalent clear b18.21.1 | 40000 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/16 | 5/16 combo tooth lockwashers zinc b18.21.1 | 1146 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #6 | #6 external tooth lockwashers zinc b18.21.1 | 5450 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/16 | 5/16 external tooth lockwashers zinc b18.21.1 | 94005 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8 | 3/8 external tooth lockwashers zinc b18.21.1 | 1487 |
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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.) | Steel | Plain | 1 | 1 extra duty heavy lockwashers plain b18.21.1 | 4046 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1 1/2 | 1 1/2 internal tooth lockwashers plain b18.21.1 | 75 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | 1 3/4 | 1 3/4 internal tooth lockwashers b18.21.1 | 29 |
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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 5/16 | 5/16 external lockwashers stainless 410 b18.21.1 | 6860 |
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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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| B & K FAST | PA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 5/8 | 5/8 external lockwashers stainless 410 b18.21.1 | 1220 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext .) | Steel | Cadmium/Yellow | 5/8 | 5/8 internal star lock washer steel cadmium ii yellow b18.21.1 | 1092 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 5/8 | 5/8 external star lock washer steel zinc b18.21.1 | 300 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | #10 internal star lock washer stainless steel 400 b18.21.1 | 2160 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #10 | #10 external star lock washer stainless steel 410 b18.21.1 | 1445 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #10 | #10 external star lock washer steel zinc plated b18.21.1 | 33500 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8 | 3/8 internal star lock washer steel zinc alt twist (surplus) .383x.562x.018 b18.21.1 | 5730 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8 | 3/8 internal star lock washer steel zinc alt twist (surplus) .417x.605x.022 b18.21.1 | 1400 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8- | washer lock 3/8 steel zinc plated internal-external star b18.21.1 | 2300 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8 | 3/8 internal star lock washer steel zinc b18.21.1 | 100 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | washer lock 3/8 stainless steel400 external star b18.21.1 | 1200 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | 3/8 | washer lock 3/8 steel zinc plated external star b18.21.1 | 150 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #6 | washer lock internal star #6 stainless steel 410 b18.21.1 | 20300 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | #6 | #6 internal star lock washer steel zinc yellow b18.21.1 | 315 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | washer lock #6 stainless steel400 external star b18.21.1 | 315 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #6 | washer lock #6 steel zinc plated external star b18.21.1 | 36600 |
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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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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #8 | washer lock internal star #8 stainless steel 410 b18.21.1 | 5900 |
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| JET FITTING | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #8 | washer lock #8 steel zinc plated internal star b18.21.1 | 320 |
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