With the advanced technology from both China and abroad, the production line of the picks is a continuous chain step furnace, composed of a welding furnace, a quenching furnace and a tempering furn...
From October 12 to October 18, our Sanshan’s technicians conducted field tests on the 2.0 version of 76T45,89T45 thread button bit in miaogou iron mine, qinhuangdao, hebei province. The custo...
Tapered drill rods are a type of drilling tool used in various drilling operations, particularly in mining and construction. These rods are made from high-quality steel materials and are manufactu...
Introducing the Air Pick – The Revolutionary Pneumatic Tool!
The Air Pick is a cutting-edge pneumatic tool, designed to make tough jobs easier. This revolutionary tool is durable and reliable...
Tapered drill rod (taper steel rod, taper drill steel), which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain
the ...
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...