Letter Drill Bits

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magpens

Member
Joined
Feb 2, 2011
Messages
15,912
Location
Canada
How long do you want them ? . I find the usual jobber lengths for these drill bits to be quite adequate.
 

magpens

Member
Joined
Feb 2, 2011
Messages
15,912
Location
Canada
Hey ... it's good to know about these ... just in case a need comes up !!

Hmmmm ... I wonder why they are called "taper" length ...
 

Curly

Member
Joined
Nov 20, 2010
Messages
4,840
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.
 
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