Overview Reviews Product Description Tap into the raw drilling power and speed you need with the SDS-MAX® 1" x 31" x 36" standard drill bit.The unique flute clears debris quickly and drills symmetrical holes efficiently.With a copper braze material and shot-peened, double-tempered finish, it's engineered to last.Designed for SDS-MAX® and te-f, g, and y style drills. Irwin Tools Catalog Product Videos Custom Field Manufacturing country DE Product Reviews Write a Review Write a Review × Irwin 1 x 31 x 36" 4-Cutter SDS-MAX® Hammer Drill Bit 323018 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *