The tapered drill rod, also known as the tapered bit, finished bit, small drill rod, or rock drill rod, is a major drilling tool used in mining, tunneling, and hydraulic engineering excavation, as well as in the field of quarrying and rock drilling.

Boomer 281 tunneling and drilling rig, advance beam 3128259059

HYD200 hydraulic rock drill, tunneling rock drilling vehicle, anchor rod vehicle, vertical shaft drilling machine.

CCTV News, August 1 - The "Futures and Derivatives Law of the People's Republic of China" officially came into effect on August 1. This law addresses the legal "shortcomings" in China's futures and derivatives sector. The biggest highlight and breakthrough is the inclusion of derivatives trading within the scope of legal regulation, establishing the three main functions of "price discovery, risk management, and resource allocation," which boosts the confidence of market participants and attracts more hedgers and institutional investors to participate. Furthermore, the implementation of the "Futures and Derivatives Law of the People's Republic of China" provides stronger tools and mechanisms for futures to serve the real economy, particularly in major industrial chains such as energy and minerals.

Common thread types include R thread drill bits R22, R25, R28, R32, TR35, R35, and R38 threaded connection drill bits, mainly used for small diameter drill bits, compatible with low-power rock drilling equipment.

Hydraulic rock drill accumulator diaphragm, nitrogen membrane.

1838ME/HE water seal 3115 2386 00 specification 52*70*9

Production process of threaded connection drill bits: Steel material inspection upon arrival - Steel material cutting - Processing the body - Processing the threads - Heat treatment of the body - Drilling tooth holes - Inserting alloy teeth -