Thinsont 11pcs/set 16-53mm M42 High Speed Steel Bi-Metal Holesaw Hole Saw with Core Drill Bit

Features: Made of premium M42 high speed steel sturdy and durable The is extremely sharped with good perforation capability. Taking the form of a short open cylinder with saw-teeth on the open edge perfect for installing locks knobs in doors and cabinets Can be used to make holes in wood thin steel sheet aluminum alloy and other soft metalsheet. The newly designed chip removal groove it can discharge the chip rapidly and will not cause the crack and stuck piece phenomenon Specification: 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 Package list: 11 x Hole Saw drill bit