SAE Flat Washers

SAE Flat Washers
Zinc Plated Steel

sfw2.jpg

SAE Flat Washers fit tighter on a Bolt than a USS Flat Washer, as they have a smaller I.D. (Internal Diameter).

The O.D. (Outer Diameter) of a SAE Washer is also smaller than that of a USS Flat Washer.

Size

O.D.

I.D.

Thickness

# per Lb. (approx.)

#4

5/16

1/8

1/32

1666

#6 (1/8)

3/8

5/32

3/64

790

#8 (5/32)

7/16

3/16

3/64

590

#10 (3/16)

1/2

7/32

3/64

455

#12

9/16

1/4

1/16

294

1/4

5/8

9/32

1/16

222

5/16

11/16

11/32

1/16

195

3/8

13/16

13/32

1/16

140

7/16

59/64

15/32

1/16

110

1/2

1-1/16

17/32

3/32

56

9/16

1-3/16

19/32

3/32

45

5/8

1-5/16

21/32

3/32

37

3/4

1-1/2

13/16

9/64

21

7/8

1-3/4

15/16

9/64

15.5

1"

2"

1-1/16

9/64

11.7

1-1/8

2-1/4

1-3/16

9/64

9.2

1-1/4

2-1/2

1-5/16

5/32

6.7

1-3/8

2-3/4

1-7/16

5/32

5.5

1-1/2

3"

1-9/16

5/32

4.6
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