Description
Irwin® Countersink Bit Set, 8-Piece, Specifications: 1/4 in Shank, High Speed Steel
Features:
- Tapered drill with widened flutes for drilling fast, clean pilot holes
- Adjustable four cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
- Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
- 1/4 in quick change shank reduces slipping in standard chucks and is compatible with all 1/4 in quick change chucks, including impact drills
