Thread size

AnchorDia.

Thread Depth

AnchorLength

1/4-20

3/8

1/2

1

3/8-16

1/2

5/8

1-9/16

1/2-13

5/8

3/4

2

5/8-11

7/8

7/8

2-1/2

3/4-10

1

1-1/4

3-1/8

M6

8.0

10

25

(W1/4)

M8

10.0

14

30

(W5/16)

M10

12.0

15

40

(W3/8)

M12

16.0

20

50

(W1/2)

M16

20.0

25

65

(W5/8)

M20

25.0

35

80

(W3/4)