Irwin Marples Forstner Bit Set, 14-Piece with SPEEDBOR Countersink Wood Drill Bit, 4-Piece (1966893 & 1882793)
- Easily drills high-quality flat-bottomed and pocket holes.
- Features optimized ultra-sharp cutting teeth specifically engineered to cut through hard and soft woods smoothly and efficiently.
- Significantly reduces cutting time compared with traditional forstner bits.
- Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws.
- 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.