Ultra sharp tungsten carbide teeth cut fast and bur-free holes in aluminum, steel, stainless steel, and other tough metals. Ejector spring ejects the slug saving time and increasing productivity Safety collar stop prevents over penetration for safer, faster operation For cutting steel plate, iron, aluminum, copper, cast iron, stainless steel, FRP (fiberglass) and plastics up to 1 In. thick Perfect portable tool for the professional electrician, plumber, mechanic and contractor Extremely productive tool that outperforms bi-metal hole saws Feature two sets of three cutting blades, each with different geometries- this unique system balances the cutting forces enabling rapid, smooth drilling with better control
