
The Irwin 18 x 380/300mm auger bit is the extended-length option for deep, clean 18mm holes in timber and nail-embedded wood. Its self-pulling thread feeds the bit into the material while the spiral 'LEWIS' groove clears chips for efficient drilling at depth.
The peripheral cutting edge keeps holes clean with minimal spalling, while the extra length suits beams, posts and stacked timbers. Add other diameters to build an Irwin auger drill bit set for framing and services.
The Irwin 18 x 380/300mm Auger is a durable drill bit designed for accurate drilling in tough materials, including nail-embedded wood.
It is engineered for precision drilling, featuring a self-pulling thread that ensures accurate entry into various materials. Its spiral groove shape, known as 'LEWIS', facilitates maximum chip transport and enhances drilling efficiency. The peripheral cutting edge is designed to create clean holes with minimal spalling, making it suitable for a range of applications.
It drills an 18mm diameter hole.
It has a 380mm overall length with a 300mm working length for deeper holes.
Yes. It is built for accurate drilling in tough timber, including nail-embedded wood.
The extended length lets you drill deeper and reach through thicker timber than a standard auger bit.
The spiral 'LEWIS' groove transports chips out of the hole for efficient drilling.

