Irwin Hanson 373218BX 2-1/8 in. Bi-Metal Hole Saw

The Irwin Hanson 373218BX is a 2-1/8 in. bi-metal hole saw engineered for professional-grade cutting in wood, aluminum, copper, and stainless steel. Built on a carbon steel body with high-speed steel (HSS) cutting teeth joined via electron beam welding, this hole saw delivers the strength and durability needed for demanding jobsite applications.

Key Features:

• Variable Depth Gullets — Designed to optimize chip evacuation for smoother, faster cutting and reduced clogging
• 4/6 Variable Pitch Teeth — Alternating tooth pitch minimizes noise and vibration while improving overall cutting performance
• Electron Beam Welded Teeth — Advanced welding process bonds HSS teeth to the carbon steel body for superior strength and extended tool life
• Bi-Metal Construction — Combines the toughness of a carbon steel body with the hardness of HSS cutting edges for lasting durability
• 3/8 in. Arbor — Compatible with standard arbors for easy chuck mounting
• Versatile Material Compatibility — Ideal for use in wood, aluminum, copper, iron, and stainless steel

Specifications: Diameter: 2-1/8 in. | Arbor Size: 3/8 in. | TPI: 4/6 Variable Pitch | Cutting Edge Material: HSS | Body Material: Bi-Metal | Max Speed: 160 RPM | Overall Length: 3-1/2 in.

The Irwin 373218BX is sold individually in retail boxed packaging, making it a practical choice for tradespeople and serious DIYers who need a reliable hole saw for precise, clean cuts time after time.