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Internal and External Tooth Lock Washers

Shop for Internal and External Tooth Lock Washers on GoVets.

Complete your project today.

GoVets offers Lock Washers in the Lock Washers sub-category in the Washers & Shims category to help customers complete their projects. Lock Washers are a type of fastener that is used to secure two or more parts together. They are designed to prevent loosening due to vibration and are available in both internal and external tooth varieties. Internal tooth lock washers have teeth that are designed to bite into the mating surface, while external tooth lock washers have teeth that are designed to bite into the bolt or screw. Shop today to find the right Lock Washers for your project.

Total Search Results: 312


  1. 3/4
    3/4" Screw, 0.79" ID, Spring Steel Internal Tooth Lock Washer MPN:SIWIS0750HDUSA-010BX
    Value Collection
    Special Price $2.79 Regular Price $3.26
  2. #4 Screw, 0.123
    #4 Screw, 0.123" ID, Stainless Steel External Tooth Lock Washer MPN:SEWCIXXX0-4USA-100BX
    Value Collection
    Special Price $0.66 Regular Price $0.81
  3. #6 Screw, 0.15
    #6 Screw, 0.15" ID, Stainless Steel External Tooth Lock Washer MPN:SEWCIXXX0-6USA-100BX
    Value Collection
    Special Price $0.33 Regular Price $0.40
  4. 5/16
    5/16" Screw, 0.332" ID, Steel External Tooth Lock Washer MPN:239080PS
    Value Collection
    Special Price $0.05 Regular Price $0.06
  5. #3 Screw, 0.109
    #3 Screw, 0.109" ID, Steel Internal Tooth Lock Washer MPN:ITLW-3-SZ
    Value Collection
    Special Price $0.06 Regular Price $0.07
  6. 5/16
    5/16" Screw, 0.332" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0310USA-100BX
    Value Collection
    Special Price $0.10 Regular Price $0.12
  7. 3/8
    3/8" Screw, 0.398" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0370USA-100BX
    Value Collection
    Special Price $0.30 Regular Price $0.38
  8. 7/16
    7/16" Screw, 0.464" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0430USA-100BX
    Value Collection
    Special Price $0.37 Regular Price $0.38
  9. 1/2
    1/2" Screw, 0.53" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0500USA-100BX
    Value Collection
    Special Price $0.16 Regular Price $0.20
  10. #6 Screw, 0.15
    #6 Screw, 0.15" ID, Steel External Tooth Lock Washer MPN:LWDT0-60USA-050
    Value Collection
    Special Price $111.99 Regular Price $156.79
  11. #8 Screw, 0.176
    #8 Screw, 0.176" ID, Steel External Tooth Lock Washer MPN:LWDT0-80USA-050
    Value Collection
    Special Price $131.99 Regular Price $184.79
  12. #10 Screw, 0.204
    #10 Screw, 0.204" ID, Steel External Tooth Lock Washer MPN:LWDT-100USA-050
    Value Collection
    Special Price $132.29 Regular Price $185.21
  13. 1/4
    1/4" Screw, 0.267" ID, Steel External Tooth Lock Washer MPN:LWDT0250XUSA-02
    Value Collection
    Special Price $240.79 Regular Price $337.11
  14. 5/16
    5/16" Screw, 0.332" ID, Steel External Tooth Lock Washer MPN:LWDT0310USA-025
    Value Collection
    Special Price $291.29 Regular Price $407.81
  15. 3/8
    3/8" Screw, 0.398" ID, Steel External Tooth Lock Washer MPN:LWDT0370-025BX
    Value Collection
    Special Price $312.29 Regular Price $437.21
  16. 3/8
    3/8" Screw, 0.398" ID, Steel External Tooth Lock Washer MPN:LWDT0370XUSA-02
    Value Collection
    Special Price $435.29 Regular Price $609.41
  17. 1/2
    1/2" Screw, 0.529" ID, Steel External Tooth Lock Washer MPN:LWDT0500USA-010
    Value Collection
    Special Price $575.49 Regular Price $805.69
  18. #4 Screw, 0.123
    #4 Screw, 0.123" ID, Stainless Steel External Tooth Lock Washer MPN:SEWIXX0-4USA-050BX
    Value Collection
    Special Price $0.74 Regular Price $0.92
  19. 3/8
    3/8" Screw, 0.425" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0370XXUSA-100BX
    Value Collection
    Special Price $0.34 Regular Price $0.37
  20. 5/8
    5/8" Screw, 0.66" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0620XXUSA-050BX
    Value Collection
    Special Price $0.72 Regular Price $0.77
  21. 3/8
    3/8" Screw, 0.398" ID, Stainless Steel External Tooth Lock Washer MPN:SEWIX037USA-025BX
    Value Collection
    Special Price $0.78 Regular Price $0.92
  22. #4 Screw, 0.123
    #4 Screw, 0.123" ID, Stainless Steel Internal Tooth Lock Washer MPN:SIWIX0-4USA-100BX
    Value Collection
    Special Price $0.11 Regular Price $0.13
  23. #6 Screw, 0.15
    #6 Screw, 0.15" ID, Stainless Steel Internal Tooth Lock Washer MPN:SIWIX0-6USA-100BX
    Value Collection
    Special Price $0.11 Regular Price $0.13
  24. 3/8
    3/8" Screw, 0.398" ID, Stainless Steel Internal Tooth Lock Washer MPN:SIWIX037USA-025BX
    Value Collection
    Special Price $0.78 Regular Price $0.98
  25. 1-3/16
    1-3/16" Screw, 1.231" ID, Steel Internal Tooth Lock Washer MPN:SIWIS1180USA-010BX
    Value Collection
    Special Price $5.29 Regular Price $5.87
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A selection of Internal and External Tooth Lock Washers products on GoVets
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