General description For all applications in wood and wooden materials, the Heller Flat Quick Wood Drill Bit offers fast and precise cutting thanks to its specially hardened pre-cutters. It ensures extremely accurate centering without tear-out at the edge of holes, making it an ideal choice for various woodworking tasks. Technical specifications Size: 40mm x 152mm 1/4" hexagonal shaft to prevent slipping in the drill chuck Compatibility and accessories Suitable for use with beams Chipboard Hardwood Laminated chipboard Plywood Softwood Veneered wood