The DeWalt Extreme Bi-Metal Hole Saw in 51mm is a versatile size suited to soil pipe entries, conduit holes, and downlighter cutouts through wood, metal, and plastic. A practical diameter for electricians and plumbers across both domestic and commercial site work. Features and Benefits: • Patented tooth forms optimise chip removal for long tool life • Large continuous slot for fast, easy plug ejection • HSS cutting edge cuts wood, metal, and plastic • Deeper design cuts thick materials in one pass • Up to twice the lifetime of the previous generation
