Irwin Tools Marples Forstner Bit Set, Wood Drilling, 8 Piece (1966892)

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 Reduced shank fits 3/8" and larger drills and drill presses Set includes 1/4" (6.3mm), 3/8" (9.5mm), 1/2" (12.7mm), 5/8" (15.8mm), 3/4" (19.0mm), 7/8" (22.2mm), 1" (25.4mm), 1-3/8" (34.9mm) forstner bits