Forum

Share:
Notifications
Clear all

Square drill bit

2 Posts
2 Users
0 Reactions
61 Views
(@spyghost)
Posts: 321
Reputable Member
 pyth
(@pyth)
Posts: 131
Estimable Member
 

Re: Square drill bit

may be the principle is like this one seen also at youtube..
http://www.youtube.com/watch?v=L5AzbDJ7KYI

 
Posted : 20/12/2011 1:11 pm
Share: