Offers exceptional strength, durability and shatter resistance. Designed for use with battery-operated power tools and comes as complete holesaw assembly, including arbor, pilot drill and ejector spring. Features heat-resistant, high-speed steel edge with alloy backing and constant pitch of 8tpi, ideal for cutting stainless and mild sheet steel and thin non-metallics. Safety stop base cap limits cutting depth to 13mm (½"). Recommended cutting depth: 3mm. Cuts Stainless Steel Sheeting, Tool & Mild Steel Sheeting, Wood, Trunking, Thin Plastics & Thin Non-Metallics Steel Slotted Spiral Barrel Enhances Dust Removal 20mm - 32mm Dia. Holesaws For Use with 3-Jaw Chuck Machines on Rotary Action Cuts Stainless Steel Sheeting, Tool & Mild Steel Sheeting, Wood, Trunking, Thin Plastics & Thin Non-Metallics Steel Slotted Spiral Barrel Enhances Dust Removal 20mm - 32mm Dia. Holesaws For Use with 3-Jaw Chuck Machines on Rotary Action