Irwin 4X Blue Groove Long Flat Wood Drill Bit 18mm 400mm

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Irwin 4X Blue Groove Long Flat Wood Drill Bit 18mm 400mm

This long flat wood drill bit is engineered for heavy-duty timber construction, delivering reliable, fast, and accurate boring in deep or thick wood sections. The 18mm diameter paired with a 400mm overall length allows you to drill through multiple studs or joists in a single pass, making it an essential tool for framing, decking, and structural joinery. Irwin’s Blue Groove technology enhances chip evacuation, preventing clogging and reducing heat build-up, so you can work longer without interruption.

- Three sharp cutting spurs score the wood for a clean, splinter-free entry and a smooth hole finish

- Forged from high-carbon steel and hardened for durability on demanding job sites

- 4X Blue Groove coating provides four times longer life compared to standard flat bits

- Fully ground shank ensures a precise fit in impact drivers and power drills

- Self-feeding centre point pulls the bit steadily through the timber for effortless drilling

- 400mm length gives excellent reach for deep cavities and laminated beams

Whether you need to run cables, install pipes, or create large-diameter holes in dimensional lumber, this bit offers consistent performance and reduced drilling resistance.

GTIN: 024721014207