OK , in simple terms , start at the cutting edge , go light quick pressure & as you turn the drill go slower & harder , as you want the from the cutting edge back relieved , get some chaep drills to...
Type: Posts; User: ChrisF
OK , in simple terms , start at the cutting edge , go light quick pressure & as you turn the drill go slower & harder , as you want the from the cutting edge back relieved , get some chaep drills to...