Irwin Blue Groove Power Wood Boring Bits
Irwin Blue Groove Power Bi-metal Wood Boring Bits …. up to fifty times the life of standard flat bits!
Extreme durability; bi-metal cutting edges provide long life in tough applications.
Even cuts through nails without damaging the cutting edge.
Full screw tip for ease of use and pull through.
Tapered flute for less binding, ease of use and they use less energy with cordless battery drills.
‘Tri-Flute’ design for faster chip ejection.
Compact Length: Designed to fit between studs in most common applications.
1/4" hex quick change shank on Blue Groove Power 14-16 mm.
3/8" hex quick change shank on Blue Groove Power 18-32 mm.
The hex shanks will also fit securely into a standard 3-jaw chuck.