Irwin IRW10505818 Bi-Metal High Speed Holesaw 133mm | 10505818

Irwin IRW10505818 Bi‑Metal HSS Holesaw, 133mm (10505818)

Irwin 10505818 is a bi-metal holesaw designed for cutting clean, accurate openings across common site materials, making it a practical choice for general construction and trade installation work. With a 133mm cutting diameter, it’s suited to larger penetrations where a consistent cut and durable tooth edge matter.

The IRW10505818 uses a bi-metal construction with an electron beam welded HSS cutting edge to support longer service life when used with a suitable holesaw arbor and pilot drill (not included).

Key Features

• Bi-metal construction: Combines a tough body with an HSS cutting edge for durability in demanding applications.
• Electron beam welded cutting edge: Designed to help deliver stronger, longer-lasting teeth for consistent cutting performance.
• Precision set teeth: Supports faster penetration and efficient cutting when creating large-diameter holes.
• Multi-material capability: Suitable for cutting aluminium, copper, iron, stainless steel, wood and zinc.
• Trade-ready holesaw size: 133mm diameter for larger openings commonly required in installation and maintenance work.

Specifications at a glance

Suitable applications

• General construction and refurbishment work requiring large-diameter openings.
• Electrical, plumbing, heating and ventilation installations where clean penetrations are needed.
• Cutting in materials including wood and a range of metals (including stainless steel).