Hitachi 754320 SDS-MAX 4 Edge Drill Bit 25mmDurable Drilling Performance for Demanding Applications The Hitachi SDS MAX 4 Edge Drill Bit is engineered for professionals who require reliable and efficient drilling performance in concrete and masonry. With its robust design and advanced cutting technology, this drill bit delivers superior durability and precision. Specifications: Type: SDS MAX 4 Edge Drill Bit Diameter (M1): 25 mm Total Length (M2): 520 mm Working Length (M3): 400 mm