Drilling equipment and adjustable chamfer are bored

The utility model provides a drilling equipment and adjustable chamfer are bored relates to the machining field, including the drill bit, cutting sword and adjustment mechanism, the adjustment mechanism cover is established on the drill bit, can take place along the length direction of drill bit to remove, thereby carry out the regulation of position, the cutting sword is connected with adjustment mechanism, follow adjustment mechanism's removal change position, thereby carry out chamfer processing to the hole after the drill bit processing, the accessible is to regulating controlling drilling and two steps of processes of chamfer of adjustment mechanism, adjustment mechanism includes sliding block and retaining member, the connecting hole that the retaining member was seted up on through the sliding block lateral wall is connected with the sliding block, and messenger's sliding block and drill bit fixed connection, the utility model provides an adjustable chamfer is bored and is not only made adjustment mech