Handheld steel bar dotting device

The utility model relates to the field of reinforcing steel bar raw material tests, and discloses a handheld reinforcing steel bar dotting device which comprises an operating rod which is a cylindrical rod body, the front end of the operating rod extends outwards to form an impact disc, and the rear end of the operating rod extends outwards to form a limiting disc; the driving hammer is movably arranged on the operating rod in a sleeving manner; the compression spring is arranged on the operating rod in a sleeving manner and is connected with the limiting disc and the driving hammer; and the impact head is arranged at the circle center of the front end of the impact disc and is arranged along the length direction of the operating rod. The device is simple in structure and convenient to operate, experimenters can operate the device with one hand, the labor intensity is effectively reduced, and meanwhile the labor cost is saved. And on the other hand, the marked mark points cannot be erased, the result accuracy