Products
Grade 8 Washers

Grade 8 SAE
Grade 8 washers are used in high strength applications when using grade 5, grade 8 and better bolts. Made from Domestic medium carbon steel, then quenched and tempered to R/C 38-45. Grade 8 washers are stocked in Rohs compliant electro zinc and yellow trivalent finish. Parts are baked for relief of hydrogen embrittlement. Stocked in sizes from 1/4″ through 1-1/2″. Parts are also marked with corresponding bolt size and pattern type such as “S” for SAE, “U” for USS. Domestic material certifications are included with your purchase.
DOMESTIC HARDENED S.A.E. GRADE 8 ROHS COMPLIANT WASHERS
Bolt Size
OUTSIDE DIAMETER
INSIDE DIAMETER
THICKNESS
APPROX. NET WT. EACH
PCS/CARTON
1/4
.620/.640
.282/296
.051/.080
.0053
9000 - 1/8 Keg
5/16
.681/.703
.344/.359
.051/.080
.0058
8000 - 1/8 Keg
3/8
.805/.827
.407/.421
.051/.080
.0084
5000 - 1/8 Keg
7/16
.915/.937
.469/.484
.051/.080
.0106
4000 - 1/8 Keg
1/2
1.055/1.092
.526/.546
.074/.121
.0201
2000 - 1/8 Keg
9/16
1.153/1.186
.589/.609
.074/.121
.0245
2000 - 1/8 Keg
5/8
1.305/1.342
.649/.686
.074/.121
.0312
1400 - 1/8 Keg
3/4
1.462/1.499
.805/.842
.108/.160
.041
1000 - 1/8 Keg
7/8
1.743/1.780
.931/.968
.108/.160
.059
500 - 1/8 Keg
1
1.993/2.030
1.055/1.092
.108/.160
.0747
400 - 1/8 Keg
1 1/8
2.243/2.530
1.243/1.280
.108/.160
.09196
350 - 1/8 Keg
1 1/4
2.493/2.530
1.368/1.405
.136/.192
.14430
200 - 1/8 Keg
1 1/2
2.993/3.030
1.625/1.652
.136/.192
.2127
150 - 1/8 Keg