This 78 x 170mm diamond core bit offers a substantial diameter suitable for larger waste installations, soil pipes, substantial ventilation ducting and various building services applications.
The 78mm size is particularly useful for commercial installations and renovation work where larger diameter penetrations are required for modern building services.
Updated 17 hours ago
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In stock
£43.95
£71.46
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16 Sept 2026 – 17 Sept 2026 · 2 recorded prices
