Endurance holesaw for Heavy Duty applications with sintered carbide teeth providing extreme durability during the most demanding use, 20x longer life compared with BiM (bimetal) tooth cutters. Increased cutting depth allows material to be cut up to 60mm thickness. Heavy duty design cuts into materials, where BiM saw blades just aren't enough. Sintered carbide teeth technology ensures higher temperature resistance during drilling into hard and abrasive materials such as hardened screws, nails, stainless steel, brick and similar. Holesaws can be easily replaced in seconds, thanks to the Power Change Plus adaptor (not supplied), one adaptor for all 20-127mm diameter holesaws.