54mm Hole Saws Cutter M42 Bi-Metal Cut Hole Opener Cutters Tool for Wood Aluminum Iron Sheet Pipe Plastic

• Made of M42 carbon steel and bi-metal steel with sharp edges and high hardness.
• With the non-binding clean edge design, this hole saw cuts smooth and easy.
• It covers the most common hole saw sizes on the market.
• Widely operate on aluminum, steel, cast steel, stainless steel, iron, wood, plastic and other opening operation.
• Can used with drilling machine, bench drill and hand electric drill.

Feature: --Taking the form of a short open cylinder with saw-teeth on the open edge, perfect for installing locks, knobs in doors and cabinets. --Special cutting chip slot design can clean up the chip quickly, improve opening holes efficiency and extend the hole saw's service time. -- Widely used in Plate Hole, Home Wood, Galvanized Pipe, Fire Pipe, Plastic, Gypsum Board and Other Opening Operation. Specification: Material: M42 High Speed Steel Hole diameter: 38mm-114mm Uses: Opening hole Color: Black Package included: 1x Hole Saw( without A2 Arbors)