21-09-2013, 06:57 PM
Doesnt matter how new the bit is! Its all dependant on keeping the bit as cool as possible by drilling slowly and using paraffin ideally to aid cooling. Get it too hot and you will just melt the bit then you might as well try using a tooth pick!
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft