Hitachi 754342 SDS Max Drill Bit 37 x 920mmUnleash Powerful Drilling Performance The Hitachi Professional SDS Max Drill Bit is designed for heavy duty drilling applications, providing exceptional durability and performance. Its two flute design ensures efficient material removal, making it ideal for professional construction and renovation projects. Specifications: Type: SDS Max Drill Bit Flutes: Two Flutes Diameter (M1): 37 mm Overall Length (M2): 920 mm Usable Length (M3): 800 mm