In various mining or exploration industries, the drill bits used are all consumable production tools. The quality and life of the drill bit determine the work efficiency and operating cost of the drill. In 1960, wire rope percussion drills were mainly used in mining operations in our country.
The "Golden Dragon" brand quick-change drill rod produced byWuxue City Changjiang Tools Co., Ltd.: referred to as MF drill rod. One end is male thread and the other end is female thread. That is, the connecting sleeve is integrated into one end of the drill rod.