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"
Select Products Below
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
Select Products Below
Qty
Size
Select Package Quantity
SubTotal
#2
SKU #12330002
#2
SKU #12330002
1
$0.15 (0.15/ea)
25
$1.00 (0.04/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
 
#4
SKU #12330014
#4
SKU #12330014
1
$0.15 (0.15/ea)
25
$1.00 (0.04/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
 
#6
SKU #12330026
#6
SKU #12330026
1
$0.15 (0.15/ea)
25
$1.25 (0.05/ea)
100
$4.00 (0.04/ea)
1000
$30.00 (0.03/ea)
 
#8
SKU #12330038
#8
SKU #12330038
1
$0.15 (0.15/ea)
25
$1.50 (0.06/ea)
100
$5.00 (0.05/ea)
1000
$40.00 (0.04/ea)
 
#10
SKU #12330050
#10
SKU #12330050
1
$0.15 (0.15/ea)
25
$1.75 (0.07/ea)
100
$6.00 (0.06/ea)
1000
$50.00 (0.05/ea)
 
1/4"
SKU #12330062
1/4"
SKU #12330062
1
$0.17 (0.17/ea)
25
$3.75 (0.15/ea)
100
$13.00 (0.13/ea)
1000
$120.00 (0.12/ea)
 
5/16"
SKU #12330074
5/16"
SKU #12330074
1
$0.17 (0.17/ea)
25
$4.00 (0.16/ea)
100
$14.00 (0.14/ea)
1000
$130.00 (0.13/ea)
 
3/8"
SKU #12330086
3/8"
SKU #12330086
1
$0.23 (0.23/ea)
25
$5.25 (0.21/ea)
100
$19.00 (0.19/ea)
1000
$170.00 (0.17/ea)
 
1/2"
SKU #12330098
1/2"
SKU #12330098
1
$0.40 (0.40/ea)
25
$9.00 (0.36/ea)
100
$33.00 (0.33/ea)
1000
$300.00 (0.30/ea)