Product Specifications: KOROL 40mm Wall Hole Saw / Core Drill Bit

• Brand: KOROL Professional Tool
• Model: KRA206-40
• Diameter: ∅40″ mm”
• Thread / Connection: M22 thread connection with pilot drill bit & shank adapter
• Cutter Tip Material: High-grade carbide teeth for fast, clean masonry penetration

Key Features

• Heavy-Duty Carbide Teeth: Designed for sharp, high-speed drilling through tough wall materials without chipping.
• Efficient Dust Removal: Integrated side evacuation holes clear debris quickly to reduce heat buildup and speed up drilling.
• Modular Adapter System: Detachable M22 shank design allows quick attachment and replacement of pilot guide bits.
• Applications: Ideal for drilling clean holes through concrete, brick, blockwork, stone, and masonry for pipe, cable, and conduit installations