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"
Select Products Below
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
Select Products Below
Qty
Size
Select Package Quantity
SubTotal
#2
SKU #109002
#2
SKU #109002
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#3
SKU #109012
#3
SKU #109012
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 #109022
#4
SKU #109022
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#5
SKU #109032
#5
SKU #109032
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 #109042
#6
SKU #109042
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#8
SKU #109052
#8
SKU #109052
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#10
SKU #109062
#10
SKU #109062
1
$0.15 (0.15/ea)
25
$0.25 (0.01/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#12
SKU #109072
#12
SKU #109072
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
1/4"
SKU #109082
1/4"
SKU #109082
1
$0.15 (0.15/ea)
25
$1.00 (0.04/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
 
5/16"
SKU #109092
5/16"
SKU #109092
1
$0.15 (0.15/ea)
25
$1.25 (0.05/ea)
100
$4.00 (0.04/ea)
1000
$30.00 (0.03/ea)
 
3/8"
SKU #109102
3/8"
SKU #109102
1
$0.15 (0.15/ea)
25
$1.50 (0.06/ea)
100
$5.00 (0.05/ea)
1000
$40.00 (0.04/ea)
 
7/16"
SKU #109112
7/16"
SKU #109112
1
$0.15 (0.15/ea)
25
$3.25 (0.13/ea)
100
$12.00 (0.12/ea)
1000
$90.00 (0.09/ea)
 
1/2"
SKU #109122
1/2"
SKU #109122
1
$0.15 (0.15/ea)
25
$2.50 (0.10/ea)
100
$9.00 (0.09/ea)
1000
$70.00 (0.07/ea)
 
5/8"
SKU #109132
5/8"
SKU #109132
1
$0.26 (0.26/ea)
25
$6.00 (0.24/ea)
100
$22.00 (0.22/ea)
1000
$180.00 (0.18/ea)
 
3/4"
SKU #109142
3/4"
SKU #109142
1
$0.40 (0.40/ea)
25
$9.00 (0.36/ea)
100
$33.00 (0.33/ea)
1000
$260.00 (0.26/ea)