Split Ring Lock Washers 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"
Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
1 $0.05 (0.05/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00 /
1 $0.05 (0.05/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00 /
1 $0.07 (0.07/ea)
100 $4.00 (0.04/ea)
1000 $30.00 (0.03/ea)
Subtotal: $0.00 /
1 $0.09 (0.09/ea)
100 $5.00 (0.05/ea)
1000 $40.00 (0.04/ea)
Subtotal: $0.00 /
1 $0.12 (0.12/ea)
100 $7.00 (0.07/ea)
1000 $60.00 (0.06/ea)
Subtotal: $0.00 /
1 $0.29 (0.29/ea)
100 $17.00 (0.17/ea)
1000 $160.00 (0.16/ea)
Subtotal: $0.00 /
1 $0.30 (0.3/ea)
100 $18.00 (0.18/ea)
1000 $170.00 (0.17/ea)
Subtotal: $0.00 /
1 $0.41 (0.41/ea)
100 $25.00 (0.25/ea)
1000 $230.00 (0.23/ea)
Subtotal: $0.00 /
1 $0.70 (0.7/ea)
100 $43.00 (0.43/ea)
1000 $390.00 (0.39/ea)
Subtotal: $0.00 /

Product Specifications
Color
Black
Corrosion Resistant
Yes
Finish
Black Oxide
Grade
18-8
Material
Stainless Steel
Product Type
Split Ring Lock Washer
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances