High Speed Steel HSS-Tipped Drill Bit Metal Hole Saw Cutter Heavy Duty-20mm

Made from strong HHS high-speed-steel for durability, high hardness, fast cutting, impact resistance, wear high temperature.

Hole cutters are individually cased in plastic box. All come with their own Allen key for removing the pilot bit and the hole bit also unscrews from the shank.

Hole cutters use spring design which favorable to chip removal, drilling efficiency is superior; with hexagon handle, Catch firmly.

Hole saw Bit apply to Bench drill, magnetic drill, gun drill, drill percussion and so on.

For stainless steel, sheet metal, cast iron, mild steel, aluminum, plastic, copper and brass.