11Pcs/Set Hole Saw 16-53Mm M42 High Speed Bimetal Steel Hole Saw With Core Drill Bit

Features: Made of premium M42 high-speed steel sturdy and durable The blade is extremely sharp with good punching ability. Taking the shape of a small open cylinder with saw teeth on the open edge perfect for installing locks knobs in doors and cabinets Can be used to drill holes in wood sheet metal fine steel aluminum alloy and other soft metal sheets. The newly designed chip removal groove it can discharge the chip quickly and will not cause the phenomenon of cracking and stuck workpiece Specifications: Material: M42 high-speed steel Hole diameter: 16mm / 0.6in 18mm / 0.7in 20mm / 0.8in 22mm / 0.9in 25mm / 1 0in 30mm / 1.2in 32mm / 1.3in 35mm / 1.4in 40mm /1.6in 50mm / 2.0in 53mm / 2.1in Uses: Opening Hole Weight: Approx.1073g / 37.8oz Packing List: 11 x Hole Saw Drill Bit