DEPTHS OF THREADS

DEPTHS OF THREADS

THREAD

TAPPED THROUGH

BLIND TAP DEPTH

_

ALUMINUM, BRASS
STEEL NYLON

STAINLESS
STEEL

ALUMINUM, BRASS
ST.ST.,STEEL,NYLON

0-80

1-72

2-56

3-48

3-56

4-40

4-48

5-40

6-32

6-40

8-32

10-24

10-32

12-24

1/4-20

1/4-28

5/16-18

5/16-24

3/8-16

3/8-24

7/16-14

7/16-20

1/2-13

1/2-20

3/8

3/8

3/4

3/4

3/4

1”

1”

1”

1”

1”

1”

1-1/8

1-1/8

1-1/8

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1/4

1/4

5/8

5/8

5/8

3/4

3/4

3/4

1”

1”

1”

1”

1”

1”

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

1-1/4

3/16

3/16

3/16

3/16

3/16

1/4

1/4

5/16

3/8

3/8

7/16

1/2

1/2

1/2

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8