The Irwin bi-metal hole saw with a diameter of 57 mm is a powerful tool suitable for a variety of materials, including iron, aluminum, copper, stainless steel, and plastic. Thanks to the innovative WELDTEC™ technology, this hole saw offers a longer lifespan and higher cutting speed. The variable tooth pitch of 4.5 / 5.5 enables faster cuts and reduces torque buildup, increasing efficiency during work. The robust backing plate provides additional stability, even in the most demanding applications. This bi-metal design combines the advantages of different materials to ensure optimal durability.

• WELDTEC™ technology for longer lifespan and higher cutting speed
• Variable tooth pitch for faster cuts and improved chip removal
• Robust backing plate for stability in demanding tasks
• Bi-metal design for increased durability.