Letter Drill Bits

Signed-In Members Don't See This Ad
Signed-In Members Don't See This Ad

Curly

Member
Joined
Nov 20, 2010
Messages
3,582
Location
Saskatoon SK., Canada.
Mal they are for making the holes that are followed by a taper reamer. The fasteners that go in the hole have a matching taper. The tapered pin is driven in to lock in place. Some come with a thread on the thinner end for a nut.
 
Top Bottom