Bimetal Hole Saw 6-Piece Set 18-35mm Hole Drilling Electric Drill Bit ★ Thank you very much for visiting our shop from among many others. Please take your time to browse. ◆ This is a great value 6-piece set of hole saws (18-35mm) for drilling holes in various materials such as wood and sheet metal! ◆ It can be used for woodworking as well as sheet metal and gypsum. With a set of 6 different hole diameters, this one set can handle all kinds of work. ◆ The body has chip holes on the sides, which reduces clogging of shavings and makes it easy to maintain, allowing for smooth use. ◆ The sharp, forward-and-backward inclined blades and high-hardness center drill provide stable hole drilling with less wobble! ◆ It can be widely used for DIY hobbies, from water-related equipment and switches to ventilation fans, ventilation ducts, and various installation work. 【Product Details】 ◆ Total body length: approx. 70mm ◆ Hole diameter: approx. 18mm / 20mm / 22mm / 28mm / 30mm / 35mm ◆ Shank diameter: approx. 10mm (triangular shank) ◆ Compatible tools: Electric drill, drill press, drill driver, bench drill, etc. ◆ Usable materials: Aluminum, plastic, gypsum, wood, PVC, sheet metal, etc. 【Caution】 ★ Please note that it cannot be used with an impact driver. ★ Thank you very much for viewing our shop to the end. This is a great value 6-piece set that can be used on various materials, allowing for quick and accurate hole drilling!