POSITIONABLE DRILL: High hardness and heat resistance, the high temperature generated when drilling does not deform it, it is also durable, it can be used for a very long time. Its head adopts circular arc design, precise and clean flat-bottomed hole with fast waste disposal and ensuring you work efficiently. (Please do not drill into metal) DEPTH STOP DESIGN: A depth stop can be fixed on the rod, which prevents you from drilling too deep, depth limited from 15mm to 45mm. You can also remove the stop for unlimited depth. Guided by the circular rim, it pierces all arcs in all directions. With a curved design, the head effectively removes debris and operates efficiently. CEMENTED CARBIDE: Constructed of titanium alloy steel for long lasting durability. High Speed ​​Steel drills overlapping, oblique and countersunk holes in all types of wood, makes it easy to drill hinge hole, cylinder hole, computer desk thread hole and furniture fixing domestic. WIDELY USED: Suitable for drill press, hammer drill, bench drill, vertical drill, portable electric drill, drill press and mobile band drill. Can be used for punching wood products, mounted spherical door push tips, drawers, plastic products, wood, plywood, etc. Suitable for drilling holes on all wood and wood products, wood processing and maintenance, model production. Can easily enlarge existing holes and drill any arc. Drills flat bottom holes, pocket holes and overlapping holes. Ideal for boring concealed hinges and door locks. The cemented carbide tip is designed to cleanly cut the hole. Can be used for punching wood products, mounted spherical door shooting point, drawer, plastic and wood products, plywood, etc. Suitable for bench drill, drill press vertical and hand-held electric drill, stand-mounted motor drill, etc.Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there are will have a certain color difference, the actual object received shall prevail.