Fathers Dad，Hole Bi Metal 19 51Mm Aluminum Review

【Multi-size】:The Bi-Metal hole saw Set Includes 9 hole saws:19mm, 22mm, 25mm, 28mm, 30mm,35mm, 38mm, 44mm, 51mm.It can be compatible with most drill bits of other manufacturers as required. 【High Quality and Accuracy】:Made of high-quality high-speed steel (HSS)Bi-metal, heat-treated and blackened carbon steel, anti-rust and wear-resistant, high-speed steel teeth can achieve high performance, faster cutting, and anti-corrosion. Rust, wear resistance and longer service life. 【Multipurpose】:Covers the most popular hole saw sizes on the market. The upgraded version is designed with ultra-fine serrations, which can realize faster and cleaner cutting; high-precision, smooth cutting edge; more durable and longer service life. Suitable for pistol drills, bench drills, vertical drilling machines, etc. It is widely used in soft boards, thin PVC boards, plastics, etc. 【Sturdy Saw Body】The hole saw blade is made of carbon steel and is specially quenched at high temperature to make it stronger and more durable. The specially designed teeth have been improved for several generations to ensure the cleanness and preciousness of the cutting process. The side holes for chip removal increase the speed of chip removal and smooth the opening. 【After-Sales Service】:To provide high-quality customer service, Lai Wei is committed to providing customers with high-quality products and thoughtful service. If you are not satisfied with the Bi-Metal hole saw, we will provide a 30-day money-back guarantee and lifetime replacement of defective items. If you have any questions, please feel free to contact us, our customer service will give you a satisfactory answer within 24 hours.