40mm Bi-Metal Hole Saw, M42 HSS Bi-Metal Core Drill Bit with Centering Drill Bit for Heavy Duty Drilling in Iron, Aluminum, Wood, Drywall, Pipe, Fiberboard/Red

【Widely Used】 The hole saw is widely used in drywall, steel, aluminum, non-ferrous metals, copper, brass, wood, plastic, PVC, and other materials.Suitable for bench drills, electromagnetic drills, pistol drills, impact drills, etc.【Professional Hole Saw Material】 Our circular drill bit is made of heat-treated and blackened carbon steel.It is oil and rust resistant, has high hardness, good toughness, and durability.Sharp blade, high hardness, wear-resistant during operation, chip-resistant, and reliable. Precise metal hole cutter without wobbling.【Intelligent Design】 The hole saws for cutting circular holes use a spring design that promotes chip removal, resulting in superior drilling efficiency. The hexagonal handle closes securely.With its clean edge design, this hole saw kit is smooth and easy to use. The spring on the drill automatically pushes the disc out of the saw immediately after the hole is finished.Product DescriptionHole Saw, Bi-Metal Hole Cutting Tool CutterUse for drilling wood, iron, aluminum alloy, and so on.Features:Clean, seamless edges for smooth and fast cutting.Silicon carbide coating surface treatment for improved rust resistance.Designed for repeated use and convenient for working on office cable inserts (plastic desk grommets).Specifications:Material: HSS M42 steel.Color: Red.Diameter: 40 mmPackage Contents: 1 x Hole Saw.