Torque screwdriver comprises a handle with a longitudinal hole and an inner thread on the upper part

摘要

Torque screwdriver comprises a handle (10) with a longitudinal hole (11) and an inner thread (13) on the upper part. An adjusting tube (50) has a through-hole (51) for receiving a rod (60) of the screwdriver head. A positioning ring (20) has a connecting body (21) on one side for interacting with the handle and a fixing ring (22) on the other side. The rod of the screwdriver head is connected to a narrow bar (62) to interact with a spring (40) and a sliding tube (30). Preferred Features: The longitudinal hole has a recess on its base for the positioning ring. The spring presses against the base of the adjusting tube and the upper part of the sliding tube on both its ends.