This premium bi-metal hole saw set combines high-speed steel cutting teeth with a durable steel body, delivering superior performance across a wide range of materials. The variable pitch teeth design reduces vibration and ensures smoother cutting operations.

• M42 HSS Teeth: High-speed steel with 8% cobalt content for enhanced heat resistance and longevity
• Variable Pitch Teeth: Reduces vibration and provides smoother cutting performance
• High Hardness: Teeth hardness rated at 64-69 HRC for exceptional wear resistance
• Precision Engineering: End-face tolerance less than 0.1mm for accurate cuts
• Comprehensive Set: Includes 6 hole saw sizes and 2 arbors for complete versatility
• Deep Cutting Capacity: Maximum cutting depth of 38mm for various applications

• 3/4" (19mm)
• 7/8" (22mm)
• 1-1/8" (29mm)
• 1-1/2" (38mm)
• 1-3/4" (44mm)
• 2-1/4" (57mm)

• 3/8" Hex Shank for Hole Saw 14-30mm
• 7/16" Hex Shank for Hole Saw 32-210mm

Designed for cutting through stainless steel, nail-embedded wood, various metals, aluminum, casting materials, wood, plastic materials, gypsum board, and other construction materials.

Suitable for use with drill presses, lathes, boring mills, milling machines, portable electric tools, air tools, and other devices with revolving spindles.

ISO/BSCI certified with painting surface finish. Packaged in injection molding box for secure storage and transportation. Thread specifications: 1/2-20 UNF for 14-30mm diameters, 5/8-18 UNF for 32-210mm diameters.