The HSS bi-metal hole saw with a diameter of 70 mm from kwb is a powerful tool suitable for a variety of materials. It combines a high-strength bi-metal construction with a progressive variable tooth design that allows for quick chip removal. This hole saw is particularly durable and offers a long service life, making it ideal for professional use. It can effortlessly cut through materials such as steel, gray cast iron, structural steel, stainless steel sheets, aluminum, bronze, copper, plastic, acrylic, drywall, and wood. The use of 8% cobalt in the alloy provides additional robustness and longevity, ensuring the hole saw remains reliable even under intensive applications.

• High-strength bi-metal construction for increased durability
• Progressive variable tooth design for quick chip removal
• Suitable for a variety of materials, including metal and wood
• Alloy with 8% cobalt for additional resilience.