The Irwin bi-metal hole saw with a diameter of 19 mm is a powerful tool suitable for a variety of materials, including aluminum, iron, copper, stainless steel, zinc, and wood. Thanks to WELDTEC™ technology, this hole saw offers a longer lifespan and higher cutting speed, making it ideal for demanding applications. The variable tooth pitch of 4.5 / 5.5 allows for faster cuts and reduces torque buildup, while the thick backing plate provides additional robustness. This hole saw is not only suitable for professional use but also for DIY enthusiasts who value quality and efficiency.

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