- Joined
- Dec 28, 2015
- Messages
- 115
The pins I have been making for my backhoe need a hole in the center of them 7" or so deep, 1/4" or 5/16 is the ideal size. I drilled one today with 1/4" and got the full 7" depth but wow it was painfully slow. I would drill 1/4 or so, back the drill out clear chips, reoil and go again. Took me 45 minutes to drill that hole.
Btw drilling CRS with HSS
Btw drilling CRS with HSS