Lock Washer External Tooth 410 Stainless Steel

Stainless Steel External Tooth Lock Washers

Premium Lock Washers for use with a Screw or Nut


  • Serrated washers to create tension between the washers "teeth" and installation surface
  • The added tension makes the fastener assembly resistant to rotation
  • 410 Stainless steel external tooth lock washers are commonly used where a harder material is required
  • Actual measurements may vary slightly +/- depending on production run
  • Trade Names: Star Lock Washers

410 Stainless Steel External Lock Washer Specifications
Washer Size (ID) Outer Diameter (OD) Thickness
#2
Max 0.189" - Min 0.177" Max 0.013" - Min 0.010"
#3
Max 0.235" - Min 0.220" Max 0.016" - Min 0.010"
#4
Max 0.260" - Min 0.245" Max 0.018" - Min 0.012"
#5
Max 0.285" - Min 0.270" Max 0.020" - Min 0.014"
#6
Max 0.320" - Min 0.305" Max 0.022" - Min 0.016"
#8
Max 0.381" - Min 0.365" Max 0.023" - Min 0.018"
#10
Max 0.410" - Min 0.395" Max 0.024" - Min 0.018"
#12
Max 0.475" - Min 0.460" Max 0.027" - Min 0.020"
1/4"
Max 0.510" - Min 0.494" Max 0.028" - Min 0.023"
5/16" Max 0.610" - Min 0.588" Max 0.034" - Min 0.028"
3/8" Max 0.694" - Min 0.670" Max 0.040" - Min 0.032"
7/16" Max 0.760" - Min 0.740" Max 0.040" - Min 0.032"
1/2" Max 0.900" - Min 0.880" Max 0.045" - Min 0.037"
5/8" Max 1.070" - Min 1.045" Max 0.050" - Min 0.042"
3/4" Max 1.260" - 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
External Tooth (Star) Lock Washers
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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Size:
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Size
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