#517512

1/4 Carbon Steel Internal Tooth Lockwasher Zinc Clear
Bolt Size Thread Threads Length Grade Finish Weight
0.2500 (1/4) Partial Zinc Clear 0.0006
Diameter
Thread
Length
Grade
Finish Zinc Clear
Weight 0.0006



Internal Tooth Lock Washers are one of the most common locking washers used with machine screws. As the bolt or screw are tightened, the washer’s inner teeth grab onto the head and the material locking it in place. Earnest’s Internal Tooth Lock Washers are designed to be used with Grade 2 fasteners.

Internal Tooth Lock Washer

  • Used with Grade 2 fasteners
  • Designed for high-vibrating applications
  • Inner diameter teeth grab onto the head and material being clamped, providing a locking action
  • Inner locking hides teeth from plain sight
  • Sizes range from #2 to 1/4
  • Meets ASNI B18.22.1 standards
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