stop wedge - China Manufacturers, Factory, Suppliers

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New top hammer rods and bits

newest top hammer tooling, the Drifter series of rods and bits. designed with a unique thread profile for added endurance and strength in the most demanding tunneling, bolting and drifting applica...
Global & Regional Forecast of Top Hammer Drilling Bits Market from 2019 To 2024

The Top Hammer Drilling Bits market report provides a unique, first-time market and competitive analysis of the size, segmentation, competition, trends and outlook in the manufacture and supply of ...
Professional production of high-quality drill bits

We are thrilled to announce our professional production of high-quality button bits. Our button bits are specifically designed for drilling in tough and demanding conditions, making them the top c...
Extension rods

Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water ...
Reformation of Threaded Products Workshop

We carried out a complete reformation for Threaded Products Workshop from Apr.5th to May 15th. In the new workshop, we installed double layers of thermal insulation, double glazed windows and new d...
Advancements in Tunneling and Underground Excavation by Drill & Blast

Here in the United States we used to refer to tunneling by drill-and-blast as “conventional” tunneling, which I guess leaves tunneling by TBM or other mechanized means to be referred to as “Unconve...

self-drilling anchor