Threaded hole grooving tool

The invention discloses a threaded hole grooving tool which comprises a shell, a grooving preparation assembly, a grooving assembly and a control module. The grooving preparation assembly is used for screwing a threaded connector into a threaded hole to be machined and comprises a stepping motor, a speed reducer, a threaded rod and the threaded connector. The grooving assembly is used for pushing a grooving cutter into a threaded hole to achieve grooving and comprises the grooving cutter, a guide installation sleeve, a guide sleeve, an oil passing pipeline and a hydraulic pump. The control module is used for controlling the screwing-in and screwing-out of the screwed joint and the action of the hydraulic cylinder, and comprises a detection pin, a proximity switch sensor, a hydraulic pump and a control button; the threaded hole grooving device is easy to operate, the threaded hole grooving quality is good, the threaded hole grooving efficiency is greatly improved, and the problem that a manual grooving process