Lock Washer Split Ring Black Oxide 18-8 Stainless Steel

Black Oxide Stainless Steel Lock Washers

Medium Profile Split Ring Lock Washers


  • Used to prevent fasteners from loosening unintentionally
  • Split and bent to create a spring-like effect
  • Add extra pressure to fastener assembly resulting in higher resistance to rotation
  • 18-8 Stainless steel are corrosion resistant and durable
  • Suitable for fresh water applications
  • Black oxide finish for a sleek look and an added mild abrasion resistance
  • Infused with wax during the process
  • Complies with military specifications as a Class 4 Finish
  • Commonly used for:
    • Cars
    • Motorcycles
    • Guns
    • Knives
    • Anywhere a sleek black look is desired

Black Oxide Lock Washer Specifications
Washer Sizes Inner Diameter (ID) Outer Diameter (OD) Washer Thickness
#2 0.094" 0.172" 0.020"
#4 0.120" 0.209" 0.025"
#6 0.148" 0.250" 0.031"
#8 0.174" 0.293" 0.040"
#10 0.200" 0.334" 0.047"
1/4" 0.260" 0.487" 0.062"
5/16" 0.322" 0.583" 0.078"
3/8" 0.385" 0.680" 0.141"
1/2" 0.512" 0.869" 0.171"
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Product Specifications
Color
Black
Corrosion Resistant
Yes
Finish
Black Oxide
Material
18-8 Stainless Steel
Product Type
Split Ring Lock Washer
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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Size
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