HYCHIKA Hole Saw 125 mm, Hss M42 Bi Metal Knife for Wood, Soft and Plastic (Gypsum Plates Drywall), with Separable Drill Bit Allen Key

【QUICK CUTTING】The saw tooth has been optimized and improved many times, higher cutting performance, cleaner and more uniform cutting, higher accuracy; The chip removal groove located on the side of the hole saw can quickly discharge the span. 【BI-METAL & HIGH QUALITY】 The saw blades are made of bimetallic material, the cutting part is harder and very resistant hard steel alloy. The hole saw can cut quickly, rust-proof, wear-resistant and provides a long service life. 【Wide Application】The drill bit for cutting mild steel, stainless steel, cast iron, brass, aluminum, wood, etc., ideal for installing locks, knobs in doors and cabinets or drilling larger diameter holes through desks, etc. Necessary tool for decorating carpentry. 【Precise Cutting】 The increased hardness of tungsten carbide technology and optimized tooth geometry allow our hole saw faster and more accurate cutting than standard hole saws, hole diameter errors are less than one millimeter.