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#3 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 | |
| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | internal l/w | 20000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | internal l/w | 20000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w | 21000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Cadmium | #3 | internal bronze l/w | 129000 |
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| NAPPCO | TX | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 x .109 | #3 intlockwasher s/s t410 .109-.102 i.d. (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) | 58 |
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| UNEEDA | NJ | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 x 1 | #3 internal l/w 1m bx | 2000 |
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| UNEEDA | NJ | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 x 1 | #3 external l/w 1m bx | 21000 |
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| Jackson | MS | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | internal tooth l/w ss | 74 |
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| Jackson | MS | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | external tooth l/w 410 s/s | 22 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 int tooth l/w 400 s/s b18.21.1 | 2550 |
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| Ababa | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 int tooth l/w 400 s/s b18.21.1 | 100 |
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| QFC | TX | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | #3 internal tooth l/w 18-8 s/s b18.21.1 | 1028 |
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| Hewes | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | internal tooth l/w pl | 600 |
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| Hewes | NY | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Painted | #3 | internal tooth l/wphos bronze | 700 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tooth lockwasher z/p rohs | 3670 |
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| ACF | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tooth lockwasher z/p rohs compliant | 1252 |
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| Century | FL | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | #3 internal l/w (BRONZE NICKBRT) (BRONZE NICK BRT) | 3177 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | washer internal l/w a steel (zt) #3 | 20,000 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | washer internal l/w a steel (zn) #3 | 4,892 |
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| Wurth Ada | MN | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | #3 | washer internal l/w a steel (zyt) #3 | 5,000 |
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| Irwin Ind | Ont | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 int. tooth washer zinc b18.21.1 | 6585 |
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| GLF | OH | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 internal tooth lock 410 s/s b18.21.1 () () () | 4433 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | internal l/w s/s | 1100 |
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| NAPPCO | TX | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Passivated | #3 | #3intlockwasher s/s t410 passivated (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) | 2680 |
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| NAPPCO | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 extlockwasher zp .109-.102 id (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) (184-EXT & INT LOCK WASHER) | 1942 |
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| MFS | KS | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | #3 | internal tooth lock | 10000 |
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| MFS | KS | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | internal tooth lock | 10000 |
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| MFS | KS | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | external tooth lock | 16750 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | external l/w black | 3500 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | external l/w | 10700 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | external l/w shakeproof WE-.03SHAKE | 150000 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | external lock pl | 75500 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Nickel | #3 | external l/w pl | 1300 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Cadmium | #3 | external l/w cad pl | 1000 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | internal l/w black | 1800 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Yellow | #3 | internal l/w | 1400 |
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| American | NY | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | internal l/w pl | 10000 |
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| MFS | KS | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | external tooth lock | 233 |
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| MidStates | MI | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | external tooth l/w znc | 1397 |
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| MidStates | MI | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Black | #3 | internal tooth l/w blk znc | 1939 |
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| Standard | MA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 internal tooth lock washer 410 stainless steel b18.21.1 | 9821 |
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| Delta | TX | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | external tooth washer 410 sst #3 | 3380 |
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| Delta | TX | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | internal tooth washer 410 sst #3 | 13475 |
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| SJS Prod | CA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | t/#3 | int/th l/w zp #3 | 21643 |
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| All Size | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | #3 int. tooth lock washer b18.21.1 | 10,237 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | internal l/w | 20000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | internal l/w | 20000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w | 21000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Cadmium | #3 | internal bronze l/w | 129000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Plain | #3 | internal bronze l/w | 25000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | Shakeproof (ITW Shakeproof) shakeproof 1703-00 #3 internal 410 s/s l/w | 12500 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Plain | #3 | Shakeproof (ITW Shakeproof) shakeproof 1903-00 #3 internal bronze l/w | 25200 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | Shakeproof (ITW Shakeproof) shakeproof 1603-00 #3 external 410 s/s l/w | 5000 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Zinc/Clear | #3 | Shakeproof (ITW Shakeproof) shakeproof 1903-00 #3 internal bronze l/w | 25200 |
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| FMP | MA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w | 21000 |
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| Global | CA | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #3 | external tooth l/w 18-8 ss passivate 0.102idx0.235 od | 360 |
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| Komar | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 external tooth lock zinc | 5500 |
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| Alma Bolt | MI | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | st. st. external star | 900 |
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| MAINSOURC | NH | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | internal tooth l/w 400 series ss | 269 |
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| MAINSOURC | NH | Tooth Lock Washer (Int. & Ext.) | Phosphor Bronze | Painted | #3 | internal tooth l/w phos bronze | 692 |
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| Kanebridge | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Black | #3 | #3 internal tooth lock washer black zinc and bake | 250,000 |
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| Kanebridge | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 external tooth lock washer zinc | 250,000 |
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| Kanebridge | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tooth lock washer zinc | 250,000 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Cadmium/Yellow | #3 | internal tooth lock cad & cad & | 8,400 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Cadmium | #3 | internal tooth lock cadmium | 16,200 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | external tooth lock zinc | 200 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | internal tooth lock 410 s/s 410 stainless | 1,000 |
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| Liberty | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | external tooth lock poor poor | 11,500 |
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| UNEEDA | NJ | Tooth Lock Washer (Int. & Ext.) | Steel | Plain | #3 | external l/w | 50000 |
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| Hayes | CA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 internal tooth l/w 400 s/s | 500 |
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| Fastener | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | internal tooth lock #3 steel zinc | 4000 |
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| NAPPCO | TX | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 intlock steel zp .109-.102 i.d. | 44800 |
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| OSSCO | RI | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 external tooth l/w plated b18.21.1 | 600 |
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| Komar | IL | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 external tooth lock zinc | 5500 |
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| Hodell | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tlw zinc clear 1203-00-00-0551 | 10000 |
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| AFI | FL | Tooth Lock Washer (Int. & Ext.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 | #3 int tooth lock washer ss () () | 8715 |
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| Valley Nu | WA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | 410 ss external lock | 770 |
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| Hodell | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tlw zinc clear 1203-00-00-0551 | 10000 |
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| Hodell | OH | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tlw zinc clear 1203-00-00-0551 | 10000 |
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| Arden | WI | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | #3 external lock washer 410 ss | inquire |
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| Empire | WA | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal tooth l/w zp | 300 |
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| Valley Nu | WA | Tooth Lock Washer (Int. & Ext.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #3 | 410 ss internal lock | 480 |
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| Century | NY | Tooth Lock Washer (Int. & Ext.) | Silicon Bronze | Plain | #3 internal l/w bronze nick brt | 3177 |
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| QCS | OR | Tooth Lock Washer (Int. & Ext.) | Steel | Zinc/Clear | #3 | #3 internal lockwasher stl zinc | 500 |
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