The Irwin bi-metal hole saw with a diameter of 89 mm is a powerful tool suitable for a variety of materials, including wood, metal, and plastic. Thanks to 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, improving efficiency in chip removal. The sturdy backing plate ensures that the hole saw withstands even the most demanding applications. The bi-metal construction contributes to its durability, making it 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
• Sturdy backing plate for demanding applications
• Bi-metal design for increased durability.