Features:TCT metal hole saw kit is made of carbide, which has the characteristic of high hardness, wear resistance, good toughness, heat and corrosion. The center drill bit and spring-loaded guide ensure precision and control, suitable for cutting holes for pipes, and creating openings for cables and wiring. Special angle three-layer cutting edge design can drill fast and efficiently, providing efficient cutting performance on a variety of materials. Great to drill on a variety of materials, including stainless steel, mild steel, iron, copper, aluminum, FRP, plastic and thin brass sheets. Metal hole saw set can be installed on hand drills, cordless drill, impact drills and bench drills. Note: Please add coolant when drilling continuously at high speed, drilling on stainless steel, or a steel sheet thicker than 5mm. 4-29/32 (125mm) Bi-Metal Hole Saw High Speed Steel Cutter for Metal Wood PVC. Tool Bags & Boxes. Building & Painting Tools. Polishing & Cutting Tools. Installing & Sealing Parts. Saws & Saw Blades. Metal Hole Saw TCT Carbide Cutter 195mm / 7.7 Dia for Stainless Steel, Metal. TCT metal hole saw kit is made of carbide, which has the characteristic of high hardness, wear resistance, good toughness, heat and corrosion. We are not responsible for any loss in transit if a wrong address is provided. We are continually expanding our product selection to better serve your need. We look forward to providing the best sevice to you – our dear customers, so take a look around our store and find the product that you want. You can put your trust in us!