| About this item Size - Drilling Diameter: 51mm / 2", Drilling Depth: 28mm / 1.1", Center Drill Dia: 6mm / 0.24", Shank Size: 6 x 22mm / 0.24" x 0.87" (D*L), each hole saw comes with a hex wrench and is packed in a plastic case. Fast Cutting Tool - Special angle three-layer cutting edge design can drill fast and smooth, providing efficient cutting performance on a variety of materials including stainless steel, mild steel, iron, copper, aluminum, FRP, plastic and thin brass sheets. Accurate Positioning - The center drill bit and spring-loaded guide ensure precision and control, can prevent carbide tip breaking if drilling directly on steel board. Durable Material - TCT metal hole saw is made of carbide, which has the characteristic of high hardness, wear resistance, good toughness, heat and corrosion, a must-have tool for drilling hard metal materials. Versatile Applications - Metal carbide tip hole saw can be installed on hand drills, cordless drill, impact drills, bench drills and CNC drilling machines, creating great hole cutting for all your drilling needs. TCT metal hole saw kit is made of carbide, which has the characteristic of high hardness, wear resistance, good toughness, heat and corrosion. Features of the Hole Saw Three-layer Cutting Edge Special angle inner edge, medium edge, outer edge design for fast cutting Durable Material Carbide material is high hardness, wear resistance, and good toughness Accurate Positioning Bit Center drill and spring-loaded guide protect carbide teeth and ensure precision and control |