6X Groove Extra Long Wood Drill Bit 25mm 400mm

The Irwin Blue Groove 6X Extra Long Wood Drill Bit in 25mm diameter is ideal for drilling large diameter holes for substantial waste pipes, ventilation ducting and multiple cable installations through structural timbers. At 400mm (16 inch) in length, this extra long bit offers the extended reach essential for drilling through walls, ceilings and floors in demanding construction and renovation applications. Delivering 6 times faster drilling penetration than standard flat bits, the 25mm variant provides exceptional productivity for larger diameter drilling tasks. The sophisticated Tri-Flute design facilitates rapid chip ejection, preventing clogging and maintaining optimal cutting efficiency even during prolonged drilling operations. The full screw tip ensures precise positioning and effortless pull through, whilst the cutting spurs produce clean, accurate holes with minimal splintering or break out. Heat treated for superior durability and extended service life, this drill bit incorporates a tapered flute design that significantly reduces binding, allowing for smoother, more controlled drilling through all timber types. Features and Benefits: • 25mm diameter for large pipe and ducting installations • 400mm extra long length for deep drilling applications • 6 times faster drilling for maximum productivity • Full screw tip for accurate positioning • Cutting spurs for clean, professional results Specifications: Diameter (mm): 25 Overall Length (mm): 400 Working Length (mm): 100 Pack Qty.: 1