
Carbide: Made of carbide for long durability, the high speed steel drill bit drills overlapping, angled and pocket holes in all types of wood, makes it easy to drill hinge holes and fix cabinet. X-Wing Design for Precision: The central spur of each drill bit guarantees precise drilling and prevents walking and wobbling during operation. The central spur design creates perfectly round and precise holes. Router Kit : Drill bit size φ30mm/40mm/45mm/50mm/60mm, can be used to drill large and small holes, the maximum hole depth is 50mm, low incision resistance, improved opening speed, easy chipping and no shaking. < p>Professional Tool Sets: Guided by the circular edge, reaming all circular arcs in any direction; ensures a true, precise and clean flat bottom hole with fast waste removal and ensures efficient work. Drilling cutting holes: Suitable for drilling machines, pistol drills, drill stands and mobile magnetic tape drills for mounting spherical tip of door, drawer; perforation on wood