Description: 110-200mm M42 HSS Hole Saw Cutter Drill Bit Bi Metal Tip Drill For Aluminum Iron Wood. Specifications: Material:M42 High Speed Steel; Diameter:110/120/130/140/150/160/170/180/190/200mm; Diameter of Thread:15mm; Shank Diameter:10mm; Blade Diameter:6mm; Trepanning Hole Depth:2-25mm; Quantity:1pc; Features: 1. Ideal for cutting mild steel, stainless steel, cast iron, brass, aluminum, wood; widely used in conjunction with various types of drill holedrilling onthe bench. 2. Opening iron than 5mm, designed for installing locks, knobs in doors and cabinets or drilling holes of larger diameter through desks. 3. The hole saw has a twist drill bit inside with the sharp carbide sawteeth which facilitates to cut clean holes. Note: Hole Saw Cutter before in use, be sure to grasp reasonable, choice, control, tachometer and continuously added to the cooling fluid, in order to prevent edge cracking, such as high-speed machine drill used in the operation should control switch, so opening and closing to minimize its speed. Package included: 1x HSS Hole Saw