BELLVILLE WASHERS
Phosphate & Oil
2
Bolt Size
I.D.
O.D.
Thickness
Part #
Qty
1/4-6mm
.255
.500
.022
50
1/4-6mm
.255
.500
.038
50
»
Also called conical washers.
5/16-8mm
.317
.625
.047
50
»
Washers hold tight in
3/8-10mm
.380
.750
.034
25
situations where heat or
3/8-10mm
.380
.750
.056
25
vibration might loosen
standard washers.
1/2-12mm
.505
1.00
.050
25
»
Made of C1075 spring steel
»
Rockwell hardness is C40.
BRASS FLAT WASHERS
Solid Brass
Screw Size
I.D.
O.D.
Thickness
Part #
Qty
1/8
.145
3/8
.032
100
5/32
.172
7/16
.036
100
3/16
.200
1/2
.040
100
1/4
.260
11/16
.051
100
5/16
.336
7/8
.064
25
3/8
.395
1
.081
25
1/2
9/16
1-1/4
.091
25
5/8
11/16
1-1/2
.102
25
3/4
13/16
1-7/8
.114
25
COPPER FLAT WASHERS
Bolt Size
I.D.
O.D.
Thickness
Part #
Qty
3/16
1/4
7/16
1/32
50
3/16
1/4
5/8
1/16
25
1/4
5/16
1/2
1/32
50
1/4
5/16
11/16
1/16
25
5/16
3/8
9/16
1/32
50
5/16
3/8
3/4
1/16
25
3/8
7/16
13/16
1/16
25
7/16
1/2
7/8
1/16
25
1/2
9/16
13/16
3/32
25
2-17
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