HSS Pilot Bit, 1/4 in x 4 in
Thunderbolt tapered web for added durability|3-flat shank won't slip in arbor or chuck|135 split point provides accurate hole placement|Parabolic flute clears chips faster|
135 split point provides accurate hole placement
3-flat shank won't slip in arbor or chuck
Parabolic flute clears chips faster
Thunderbolt tapered web for added durability