Starrett A5 13mm Shank Hole Saw Arbor Extension

The Starrett A5 is a 300mm hole saw arbor extension designed to increase the reach of standard hole saws when drilling through thick materials or deep cavities. This professional-grade extension bar features a 13mm shank that fits securely into compatible chucks, providing tradespeople with the additional length needed for challenging drilling applications. Engineered to work with any arbor featuring an 11mm shank size, this extension offers versatility across various hole saw systems. The 12-inch reach makes it ideal for electricians working through thick wall sections, plumbers drilling through joists, and carpenters cutting access holes in deep cavities where standard arbor lengths fall short. Supplied in a protective plastic tube for safe storage and transportation between job sites, the A5 extension maintains Starrett's reputation for reliable drilling accessories. The 1/2-inch chuck compatibility ensures widespread fitment with common power drill models used throughout the UK tra