Irwin IRW10504172 Bi-Metal High Speed Holesaw 30mm | 10504172

Irwin 10504172 Bi-Metal High Speed Holesaw, 30mm Diameter

Irwin 10504172 is a bi-metal holesaw designed to cut clean, accurate holes for tasks such as conduit and pipe access, cable entries and general installation work. With a 30mm cutting diameter, it’s a practical choice for electricians, plumbers and fitters who need dependable performance across mixed materials.

This Irwin bi-metal hole saw uses a high-speed steel cutting edge and a tough backing for longer service life, helping you work efficiently in wood and common metals when used with a suitable holesaw arbor and drill.

Key Features

• Bi-metal construction: Combines a high-speed steel cutting edge with a robust body for durability and long working life.
• Electron beam welded HSS edge: Helps deliver stronger, longer-lasting teeth for demanding cutting tasks.
• Variable TPI tooth design (4.5 / 5.5): Promotes faster cutting with reduced torque build-up and improved chip removal.
• Precision set teeth: Supports quicker penetration and controlled cutting for a cleaner result.
• Variable gullet depths: Improves chip clearance to help maintain cutting efficiency.
• 30mm diameter: Ideal for medium-sized openings in installation and maintenance work.

Specifications at a glance

Suitable applications

• General construction and refurbishment cut-outs (e.g. access holes through timber and sheet materials).
• Electrical and plumbing installation work requiring a 30mm opening for routing and access.
• Cutting a variety of materials including aluminium, copper, iron, stainless steel, wood and zinc.