9-piece bi-metal hole saw set

• Set of bi-metal hole saws in sizes 22, 32, 35, 44, 51, 68 mm
• Designed for making holes in materials with a high degree of hardness
• Hole saw teeth made of high-grade M42 high-speed steel with 8% cobalt content, ensuring more efficient cutting and longer tool life
• Teeth with variable pitch 4/6 TPI enabling efficient drilling in materials of varying hardness
• Additional ground teeth, which speeds up work and drilling speed
• Designed for general, installation, electrical, and repair work.
• For cutting materials such as stainless steel, wood, aluminum, PVC, or gypsum plasterboards
• Packed in a durable case

The set includes:

• hole saws: 22, 32, 35, 44, 51, 68 mm
• Adapter
• 3/8'' mandrel
• 7/16'' mandrel
• Plastic case