Bi-Metal Hole Saw Ø 150 mm, M42, with Hexagonal Shank and Drill Bit for Aluminium, Iron and Wood

Material: M42 steel. Diameter: 150 Shank diameter: 10 mm Depth of trepanation hole: 2-35 mm Package included: hole saw Note: Hole saw cutter before use, make sure to grasp reasonably, choice, control, tachometer and continuously added to the coolant, in order to avoid cracking of the edges, such as the high-speed gun drill used in the operation should control the switch, opening and closing to minimize speed.