NUT

SIZE

HEAVY HEX

DIAMETER

HEAVY HEX

HEIGHT

FINISHED HEX

DIAMETER

FINISHED HEX

HEIGHT

1/4

1/2

15/64

7/16

7/32

5/16

9/16

19/64

1/2

17/64

3/8

11/16

23/64

9/16

21/64

1/2

7/8

31/64

3/4

7/16

5/8

1-1/16

39/64

15/16

35/64

3/4

1-1/4

47/64

1-1/8

41/64

7/8

1-7/16

55/64

1-5/16

3/4

1”

1-5/8

63/64

1-1/2

55/64

1-1/8

1-13/16

1-7/64

1-11/16

31/32

1-1/4

2

1-7/32

1-7/8

1-1/16

1-3/8

2-3/16

1-11/32

2-1/16

1-11/16

1-1/2

2-3/8

1-15/32

2-1/4

1-9/32

1-5/8

2-9/16

1-19/32

1-3/4

2-3/4

1-23/32

1-7/8

2-15/16

1-27/32

2”

3-1/8

1-31/32

WASHER

SIZE

USS

I.D.

USS

O.D.

USS

THICKNESS

SAE

I.D.

SAE

O.D.

SAE

THICKNESS

1/4

5/16

3/4

16ga. 1/16

9/32

5/8

16ga. 1/16

5/16

3/8

7/8

14ga. 5/64

11/32

11/16

16ga. 1/16

3/8

7/16

1

14ga. 5/64

13/32

13/16

16ga. 1/16

1/2

9/16

1-3/8

12ga. 7/64

17/32

1-1/16

13ga. 3/32

5/8

11/16

1-3/4

10ga. 9/64

21/32

1-5/16

13ga. 3/32

3/4

13/16

2

9ga. 5/32

13/16

1-1/2

10ga. 9/64

7/8

15/16

2-1/4

9ga. 11/64

15/16

1-3/4

10ga. 9/64

1”

11/16

2-1/2

8ga. 11/64

1-1/16

2

10ga. 9/64

1-1/8

1-1/4

2-3/4

8ga. 11/64

1-3/16

2-1/4

10ga. 9/64

1-1/4

1-3/8

3

8ga. 11/64

1-5/16

2-1/2

9ga. 5/32

1-3/8

1-1/2

3-1/4

7ga. 3/16

1-7/16

2-3/4

9ga. 5/32

1-1/2

1-5/8

3-1/2

7ga. 3/16

1-9/16

3

9ga. 5/32

1-5/8

1-3/4

3-3/4

7ga. 3/16

1-3/4

1-7/8

4

7ga. 3/16

1-7/8

2

4-1/4

7ga. 3/16

2”

2-1/8

4-1/2

7ga. 3/16