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General Purpose Flat Washers

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Bolt Size
I.D.
Body Material
Body Finish
O.D.
Thickness
#4
1/8"
Aluminum
Bare
3/8"
.031"
Washers, Plain Flat, Aluminum, Bolt Size #4 x I.D. .125" x O.D. 3/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 3/8 to .499
Hardness: N/A
#6
.147"
Aluminum
Bare
3/8"
.032"
Washers, Plain Flat, Aluminum, Bolt Size #6 x I.D. .147" x O.D. 3/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 3/8 to .499
Hardness: N/A
#8
11/64"
Aluminum
Bare
3/8"
.032"
Washers, Plain Flat, Aluminum, Bolt Size #8 x I.D. .172" x O.D. 3/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 3/8 to .499
Hardness: N/A
#10
.196"
Aluminum
Bare
7/8"
.064"
Washers, Plain Flat, Aluminum, Bolt Size #10 x I.D. .196" x O.D. 7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 7/8 to .999
Hardness: N/A
#10
13/64"
Aluminum
Bare
7/16"
.037"
Washers, Plain Flat, Aluminum, Bolt Size #10 x I.D. .203" x O.D. 7/16"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 3/8 to .499
Hardness: N/A
#10
7/32"
Aluminum
Bare
1 3/4"
.031"
Washers, Plain Flat, Aluminum, Bolt Size #10
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/8 to .249
Range O.D.: 1 to 1.999
Hardness: N/A
1/4"
.260"
Aluminum
Bare
11/16"
.047"
Washers, Plain Flat, Aluminum, Bolt Size 1/4 x I.D. .260" x O.D. 11/16"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/4 to .3749
Range O.D.: 5/8 to .749
Hardness: N/A
5/16"
3/8"
Aluminum
Bare
7/8"
.064"
Washers, Plain Flat, Aluminum, Bolt Size 5/16 x I.D. .375" x O.D. 7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/8 to .499
Range O.D.: 7/8 to .999
Hardness: N/A
5/16"
11/32"
Aluminum
Bare
9/16"
.064"
Washers, Plain Flat, Aluminum, Bolt Size 5/16 x I.D. .344" x O.D. 9/16"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/4 to .3749
Range O.D.: 1/2 to .6249
Hardness: N/A
3/8"
25/64"
Aluminum
Bare
1"
.081"
Washers, Plain Flat, Aluminum, Bolt Size 3/8 x I.D. .391" x O.D. 1"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/8 to .499
Range O.D.: 1 to 1.999
Hardness: N/A
1/2"
9/16"
Aluminum
Bare
1 1/4"
.091"
Washers, Plain Flat, Aluminum, Bolt Size 1/2 x I.D. .563" x O.D. 1-1/4"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/2 to .6249
Range O.D.: 1 to 1.999
Hardness: N/A
5/8"
11/16"
Aluminum
Bare
1 1/2"
.095"
Washers, Plain Flat, Aluminum, Bolt Size 5/8 x I.D. .687" x O.D. 1-1/2"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 5/8 to .749
Range O.D.: 1 to 1.999
Hardness: N/A
3/4"
13/16"
Aluminum
Bare
1 7/8"
.095"
Washers, Plain Flat, Aluminum, Bolt Size 3/4 x I.D. .812" x O.D. 1-7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/4 to .8749
Range O.D.: 1 to 1.999
Hardness: N/A
1/4"
.260"
Silicon Bronze
Bare
11/16"
.041"
Washers, Plain Flat, Silicon Bronze, Bolt Size 1/4 x I.D. .260" x O.D. 11/16"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/4 to .3749
Range O.D.: 5/8 to .749
Hardness: N/A
5/16"
21/64"
Silicon Bronze
Bare
3/4"
.065"
Washers, Plain Flat, Silicon Bronze, Bolt Size 5/16 x I.D. 21/64" x O.D. 3/4"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/4 to .3749
Range O.D.: 3/4 to .8749
Hardness: N/A
5/16"
.337"
Silicon Bronze
Bare
7/8"
.064"
Washers, Plain Flat, Silicon Bronze, Bolt Size 5/16 x I.D. .337" x O.D. 7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/4 to .3749
Range O.D.: 7/8 to .999
Hardness: N/A
3/8"
25/64"
Silicon Bronze
Bare
7/8"
.064"
Washers, Plain Flat, Silicon Bronze, Bolt Size 3/8 x I.D. .391" x O.D. 7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/8 to .499
Range O.D.: 7/8 to .999
Hardness: N/A
3/8"
25/64"
Silicon Bronze
Bare
1"
.065"
Washers, Plain Flat, Silicon Bronze, Bolt Size 3/8 x I.D. 25/64" x O.D. 1"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/8 to .499
Range O.D.: 1 to 1.999
Hardness: N/A
7/16"
9/16"
Silicon Bronze
Bare
1 1/8"
.065"
Washers, Plain Flat, Silicon Bronze, Bolt Size 7/16 x I.D. 9/16" x O.D. 1-1/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/2 to .6249
Range O.D.: 1 to 1.999
Hardness: N/A
1/2"
9/16"
Silicon Bronze
Bare
1 1/4"
.095"
Washers, Plain Flat, Silicon Bronze, Bolt Size 1/2 x I.D. 9/16" x O.D. 1-1/4"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1/2 to .6249
Range O.D.: 1 to 1.999
Hardness: N/A
5/8"
11/16"
Silicon Bronze
Bare
1 1/2"
.092"
Washers, Plain Flat, Silicon Bronze, Bolt Size 5/8 x I.D. 11/16" x O.D. 1-1/2"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 5/8 to .749
Range O.D.: 1 to 1.999
Hardness: N/A
3/4"
13/16"
Silicon Bronze
Bare
1 7/8"
.102"
Washers, Plain Flat, Silicon Bronze, Bolt Size 3/4 x I.D. 13/16" x O.D. 1-7/8"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 3/4 to .8749
Range O.D.: 1 to 1.999
Hardness: N/A
7/8"
15/16"
Silicon Bronze
Bare
2 1/4"
.109"
Washers, Plain Flat, Silicon Bronze, Bolt Size 7/8 x I.D. 15/16" x O.D. 2-1/4"
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 7/8 to .999
Range O.D.: 2 & More
Hardness: N/A
1"
1 1/16"
Silicon Bronze
Bare
2 1/2"
.125"
Washers, Plain Flat, Silicon Bronze, Bolt Size 1" x I.D. 1-1/16 x O.D. 2-1/2
Type: N/A
Grade: Ungraded
Class Type: N/A
Thickness MIN: N/A
Thickness MAX: N/A
Range I.D.: 1 to 1.999
Range O.D.: 2 & More
Hardness: N/A