Features & Benefits 4" or longer for pass through shank arbors HSS tipped pilot bits are for bi-metal hole saws Carbide tipped pilot bits are for the carbide grit or carbide tipped hole saws Pilot bits have a 1/4" shank New code HSBPD14 replaces PD410.

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Plumboss Hole Saw Extension Arbor 300mm (12") Extended reach for deep and hard-to-access drilling applications The Plumboss 300mm Extension Arbor is designed to extend the reach of your hole saw setup, allowing access to deep cavities, wall spaces, and tight or obstructed areas. It integrates seamlessly with the Plumboss Built-In Arbor system, maintaining stability and control during drilling. At 300mm in length, it provides a practical balance between reach and usability on-site. Extensions can be stacked to achieve additional depth where required, making it a flexible solution for challenging drilling applications. Built to match the durability standards of the Plumboss hole saw range, it ensures consistent performance across demanding jobs.

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