2-1/2" Challenge SuperSteel Drill Bits

2 1/2" Challenge Drill Bits - please use drop down menu above to select size.
Our National Hollow Paper Drills are American Made to extremely high standards of quality.
The mirror finish makes it easy for chips to clear, avoids choking and breakage, cutting edge stays sharp longer, all these features add to longer drill use.
These Drill Bits are the Very Best Made.
OVER 1 MILLION SOLD!
For Use In Challenge Models; EH-3A, EH-3C, MS-5 and MS-10A.
MADE IN THE USA