Tap into the raw drilling power and speed you need with the SDS-MAX 1 in. x 31 in. x 36 in. 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.