3.54 inch Hole Saw, LAIWEI 90mm Cutter,for Drilling Wood, Thin Sheet Metal, Aluminum Profiles, Drywall, PVC and Other Materials, Electric Drill Tool(3 9/16 90mm)

[A2 heavy duty mandrel] LAIWEI 3.54 inch hole saw adopts A2 heavy duty mandrel. Shank fits most bi-metal hole saws: 60mm to 360mm. Locking Pin Design: The pin locks the saw in place to prevent over-tightening and slipping. Eliminate the failure of the hole saw thread and the problem of the drill bit slipping and unable to work. 【Hole Saw Material】 LAIWEI 90mm hole cutter, is made of high-quality high-speed steel, which has excellent sharpness, corrosion resistance, wear resistance and durability. The tool holder is made of high-quality M42 steel, and the 4341 drill is quenched, which has excellent machinability and toughness. 【Features】The LAIWEI electric drill tool, high-quality high-speed steel (M42) and ductile spring steel are welded by electron beam to achieve high cutting performance. By applying the combined pitch, vibration during drilling can be suppressed, enabling high-precision machining. [Application] LAIWEI electric drill tool is suitable for drilling gypsum board, plastic, wood, plywood, thin iron plate, thin stainless steel plate, thin aluminum plate, etc. For plumbing, electrical and all kinds of drilling projects, from professional workplace DIY to home improvement. [Compatible Models] Electric drill and cordless drill. If precision is required, use a drill press or drill stand to drill holes. [Note] The hole saw starts cutting at low speed. Make sure it is used perpendicular to the element. Don't let the drill bit off-center. When cutting metal, sprinkle cutting oil or water on it. Wear protective equipment such as goggles and gloves when using., Manufacturer: Zhejiang Hongzhao Hardware Tools Co., Ltd.