Tools > Drilling / Boring > Countersink Bits

These single flute countersinks produce ultra smooth, round countersunk holes in a wide variety of materials. The single cutting edge will cut fast...

Plain High Speed Steel 118-Degree Point Drill Countersink Combo Body Diameter 1/4" OAL 2" Diameter and length of drill 7/64" x 7/64"  60-Degree in...

Available individually in the following sizes:  Bits Diameter Drill Size #6 0.375" 9/64" (3.6mm) #7 0.375" 5/32" (4.0mm) #8 0.375" 11/64"...