Lock Washer Internal Tooth 410 Stainless Steel

Stainless Steel Internal Tooth Lock Washers

Serrated Lock Washers in 410 Stainless Steel


  • Used to add tension to a fastener assembly
  • Internal teeth bite into the assembly to add tension
  • Extra tension prevents unintentional fastener rotation do to vibration
  • Often chosen over external tooth lock washers for aesthetic reasons
  • 410 Stainless steel is primarily used when a harder metal is desired
  • Actual measurements may vary slightly +/- depending on production run

410 Stainless Steel Internal Tooth Lock Washer Specifications
Washer Size (ID) Outer Diameter (OD) Thickness
#2
Max 0.200" - Min 0.175" Max 0.016" - Min 0.010"
#3
Max 0.232" - Min 0.215" Max 0.016" - Min 0.010"
#4
Max 0.270" - Min 0.245" Max 0.018" - Min 0.012"
#5
Max 0.280" - Min 0.255" Max 0.020" - Min 0.014"
#6
Max 0.295" - Min 0.275" Max 0.022" - Min 0.016"
#8
Max 0.340" - Min 0.325" Max 0.024" - Min 0.018"
#10
Max 0.381" - Min 0.365" Max 0.024" - Min 0.018"
#12
Max 0.410" - Min 0.394" Max 0.027" - Min 0.020"
1/4"
Max 0.478" - Min 0.460" Max 0.028" - Min 0.023"
5/16" Max 0.610" - Min 0.594" Max 0.034" - Min 0.028"
3/8" Max 0.692" - Min 0.670" Max 0.040" - Min 0.032"
7/16" Max 0.789" - Min 0.740" Max 0.040" - Min 0.032"
1/2" Max 0.900" - Min 0.867" Max 0.045" - Min 0.037"
9/16" Max 0.985" - Min 0.957" Max 0.045" - Min 0.037"
5/8" Max 1.071" - Min 1.045" Max 0.050" - Min 0.042"
3/4" Max 1.245" - Min 1.220" Max 0.055" - Min 0.047"
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Product Specifications
Color
Silver
Corrosion Resistant
Yes
Material
410 Stainless Steel
Product Type
Internal Tooth Lock Washer
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