Tungsten carbide tipped boring bit with centre point two cutting edges and two spurs. Suitable for drilling hinge holes in natural wood and man-made boards (including paper/plastic coated and veneered). Boring bits have a cylindrical shank with flat and length adjusting screw. For use on automatic and point-to-point boring machines. Specifications: • Shank Diameter: 10×26 • Dia Metric: 26 • Overall Length Metric: 57.5 • Type or Grade: LH