Description
Built for professional use, the KARNASCH 6-31/32" Bi-Metal Hole Saw is made from high-alloyed HSS with 8% cobalt, providing long-lasting durability and heat resistance. This versatile tool handles iron plates, non-ferrous metals, plastics, plasterboards, and wood, making it ideal for a variety of trades and applications.
Designed for electricians, plumbers, heating engineers, and locksmiths, this hole saw delivers precision, efficiency, and reliability for workshop, industrial, and construction use.
Key Features:
• Diameter: 6-31/32" (177 mm)
• Material: Bi-metal HSS with 8% cobalt for heat resistance and durability
• Teeth per inch (TPI): 4/6 for fast and smooth cutting
• Suitable for wood, plastics, plasterboards, iron plates, and non-ferrous metals
• Ideal for professional trades: electricians, plumbers, HVAC, and locksmiths
Ideal For:
• Drilling large-diameter holes in wood, plastics, plasterboard, and metals
• Electrical, plumbing, and HVAC installations
• Locksmith and professional workshop applications
Industrial and construction projects
Specifications:
• Model: 20.1500.177
• Diameter: 6-31/32" (177 mm)
• Material: Bi-metal HSS with 8% cobalt
• Teeth per inch: 4/6
Applications: Wood, plastics, plasterboard, iron plates, non-ferrous metals










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