1. Continuously improve the structure of tapered button bits. For example, the tapered button bits have a large piston at one end and a small piston at the other end to the equal-diameter cylindrical piston of a hydraulic rock drill. The waveform of the rock stress wave, and reduces the damage stress acting on the drill rod;

　　2. Improve the tapered button bits performance of the drill rod material and the production process level of hollow steel, and minimize the internal and external defects of the drill rod to ensure the high quality and service life of the drill rod. Of course, the correct operation and management during rock drilling, the good cooperation between the front tools, and their respective machining accuracy are also the basic conditions to ensure the life of the drill rod.

　　The manufacturing links of threaded drill rods are material selection, hollow steel production process selection, and brazing process, and the brazing process mainly includes forging, machining, heat treatment, surface strengthening, anti-corrosion treatment, etc. The way to improve the service life of threaded drill rods is to comprehensively consider the above aspects, focus on solving weak links, and continuously improve and perfect the process requirements.

　　I believe that after the above methods, whether it is a threaded drill rod or other drill rod products, its life will be improved!