Washer Material Grade

100Cr6
12L14 Case Hardened
140HV
17-4 PH Cond A
18-8
200HV
300
300 Series
303 (18-8 SS)
303 (A2)
304
316
316 (A4)
410 Series
52100
A2
A4
Alloy
C1010
C40
Case Hardened
Class 10
Class 8
Class 8.8
Grade 2
Grade 8
Low Carbon
Low Carbon Steel
Not Applicable
Not Graded
SAE 1050-1065
SAE 301-305
SAE 410
Through Hardened
Type 6/6
Works with bolt grades up to 12.9
Works with bolts up to class A4-80