5PCS High Speed Steel Hole Saw Cutter Tool Saw Tooth HSS

Useful hole saw cutter tools for easy and fast drilling round holes. Made of high speed steel very durable and practical. Perfect for installing locks knobs in doors and cabinets or drilling larger diameter holes through desks etc.Features:High speed steel teeth hole saw kit for drilling precise round holes easily and quickly.Split tip pilot drills prevent damage by gradually guiding cutter to material.Hole saws in 5 sizes of diameter to meet your different needs.Made of higher hardness HSS 4241 material more durable to use for fast cutting of clean round holes.Over drill flange built in to prevent penetration beyond the sheet metal.Can be widely used to drill wood plastic aluminum copper bakelite in seconds and also install door lock etc.Each set comes with a nice storage box and a hex wrench.Specifications:Color: SilverMaterial: High Speed Steel (HSS4241)Work-hardness: HRC 60Type: Hole Saw CuttersHole Saw Diameter: 16mm 18.5mm 20mm 25mm 30mmShank Diameter: 9mmDrilling Depth: 6mmLength of Hole Saw Cutter: 65mmQuantity: 5 setApplication: Widely used for bench drill electric drill chuck with the use of machine tools.Item Weight: Approx. 310g / 10.95oz ?51 set)Package Size: Approx. 10.5 * 9 * 6.5cm / 4.13 * 3.54 * 2.56inPackage Weight: Approx. 314g / 11.08ozNOTE:1. You need to use the oil or water to low the temperature if you drill the hard material such as steel stainless steel etc. Otherwise the drill bit may be broken up due to high temperature please understand.2. Please work safely with protective equipment.Package List:5 * HSS Hole Saw Cutter Drill Bits5 * Hex Wrench5 * Storage Box