Thread: How to Make a Clean Hole with 1 1/8" Dill Bit?
View Single Post
  #4   Spotlight this post!  
Unread 08-03-2014, 21:49
mrnoble's Avatar
mrnoble mrnoble is offline
teacher/coach
FRC #1339 (Angelbotics)
Team Role: Coach
  
Join Date: Dec 2008
Rookie Year: 2004
Location: denver, co
Posts: 970
mrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond reputemrnoble has a reputation beyond repute
Re: How to Make a Clean Hole with 1 1/8" Dill Bit?
We have used step drills, such as the Irwin Unibit. Grainger has an assortment of them, with some going up to 1-1/8" and larger. Harbor Freight has a set for cheap, but they don't last and are a bit dull.


http://www.irwin.com/tools/browse/dr...it-step-drills


http://m.harborfreight.com/catalogse...obile_redirect