Most of the time I am drilling holes with clearance for bolting stuff etc so I am generally not concerned with hole size accuracy. But when you want a hole bang on size here is a few wee tips.
...
Type: Posts; User: veitnamcam
Most of the time I am drilling holes with clearance for bolting stuff etc so I am generally not concerned with hole size accuracy. But when you want a hole bang on size here is a few wee tips.
...
That drill has a thicker center section and a different flute profile ground into it, the center section generally gets thicker as a drill gets shorter or some drills are just designed stronger in...