The Irwin BIMETAL hole saw with a diameter of 21 mm is a powerful tool designed for precise and efficient cuts in various materials. 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 allows for faster cuts and reduces torque buildup, making it easier to handle. The robust backing plate provides additional stability, even in the most demanding applications. The bi-metal construction contributes to durability, making this hole saw a reliable choice for both professional users and DIY enthusiasts.

• 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.