With the Dewalt DT4590-QZ machine wood drill bit, you can drill large 117 mm holes quickly and accurately through timber. Perfect for installing ventilation ducts, pipes, or conduits in hardwood, softwood, wooden boards, and plasterboard. The aggressive threaded spur pulls the bit directly through the material, allowing you to power through cuts with minimal physical pushing effort. Sharp cutting edges ensure clean, splinter-free results every time. Thanks to the anti-slip shank with three flat surfaces, the bit stays firmly seated in your chuck without slipping, transferring all the torque from your drill directly into the workpiece for efficient, reliable progress on every job.