Product Search

Drill Clearances

Tap sizes*

Tap Drill size mm

Clearance drill size mm

16BA

0.4

0.6

14BA

0.6

0.8

12BA

0.8

1.05

10BA

1.4

1.8

8BA

1.8 / 1.9

2.1

6BA

2.3

2.8

M1

0.75

 

M2

1.6

 

M3

2.4

 

M4

3.25

 

 *miniature tap handle to suit C3030