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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
Select Package Quantity
SubTotal
Lock Washer Black 18-8 SS - #2 (0.094 ID x 0.172 OD x 0.020 Thick)
SKU #12330002
Lock Washer Black 18-8 SS - #2 (0.094 ID x 0.172 OD x 0.020 Thick)
SKU #12330002
1
 NA
25
 $2.50 (0.1/ea)
100
 $7.00 (0.07/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - #4 (0.120 ID x 0.209 OD x 0.025 Thick)
SKU #12330014
Lock Washer Black 18-8 SS - #4 (0.120 ID x 0.209 OD x 0.025 Thick)
SKU #12330014
1
 NA
25
 $2.50 (0.1/ea)
100
 $7.00 (0.07/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - #6 (0.148 ID x 0.250 OD x 0.031 Thick)
SKU #12330026
Lock Washer Black 18-8 SS - #6 (0.148 ID x 0.250 OD x 0.031 Thick)
SKU #12330026
1
 NA
25
 $3.00 (0.12/ea)
100
 $8.00 (0.08/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - #8 (0.174 ID x 0.293 OD x 0.040 Thick)
SKU #12330038
Lock Washer Black 18-8 SS - #8 (0.174 ID x 0.293 OD x 0.040 Thick)
SKU #12330038
1
 NA
25
 $3.75 (0.15/ea)
100
 $10.00 (0.1/ea)
1000
 $80.00 (0.08/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - #10 (0.200 ID x 0.334 OD x 0.047 Thick)
SKU #12330050
Lock Washer Black 18-8 SS - #10 (0.200 ID x 0.334 OD x 0.047 Thick)
SKU #12330050
1
 NA
25
 $4.00 (0.16/ea)
100
 $10.00 (0.1/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - 1/4" (0.260 ID x 0.487 OD x 0.062 Thick)
SKU #12330062
Lock Washer Black 18-8 SS - 1/4" (0.260 ID x 0.487 OD x 0.062 Thick)
SKU #12330062
1
 NA
25
 $7.25 (0.29/ea)
100
 $24.00 (0.24/ea)
1000
 $230.00 (0.23/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - 5/16" (0.322 ID x 0.583 OD x 0.078 Thick)
SKU #12330074
Lock Washer Black 18-8 SS - 5/16" (0.322 ID x 0.583 OD x 0.078 Thick)
SKU #12330074
1
 NA
25
 $7.75 (0.31/ea)
100
 $26.00 (0.26/ea)
1000
 $240.00 (0.24/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - 3/8" (0.385 ID x 0.680 OD x 0.141 Thick)
SKU #12330085
Lock Washer Black 18-8 SS - 3/8" (0.385 ID x 0.680 OD x 0.141 Thick)
SKU #12330085
1
 NA
25
 $8.50 (0.34/ea)
100
 $28.00 (0.28/ea)
1000
 $270.00 (0.27/ea)
Subtotal: $0.00 /
Lock Washer Black 18-8 SS - 1/2" (0.512 ID x 0.869 OD x 0.171 Thick)
SKU #12330098
Lock Washer Black 18-8 SS - 1/2" (0.512 ID x 0.869 OD x 0.171 Thick)
SKU #12330098
1
 $0.64 (0.64/ea)
25
 $14.50 (0.58/ea)
100
 $55.00 (0.55/ea)
1000
 $560.00 (0.56/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

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