Tools & Gear Hole Saws Thinwall Sheetmetal

7040-30 Thinwall BM Sheetmetal Hole Saw- 30mm Thinwall Sheetmetal Hole Saws are ideal for the electrical and plumbing tradesman. Each hole saw has a thin 0.65mm sidewall blade thickness, which allows for faster cutting and longer battery life. Lightweight blades maximize the use of chargeable impact drivers by using a reduced motor and operation load. M42 material with special variable pitch tooth design for smoother cuts in sheet metal. Self ejecting plug removal. 5/32" pilot drill for easy centre locating and quicker cutting penetration. 1/4" quick change shank, ideal for use with battery operated impact drivers. Safety collar stop helps prevent cutting too deep. Smooth and fast cutting - especially designed tooth geometry assures increased performance and better wear resistance. Safety collar stop helps prevent damage to wires when drilling into electrical boxes.