T38 -T38/R32 Connecting Extension Drill Rod Thread Coupling Sleeve

Product Description

Our coupling sleeve are produced with high quality alloy steels and highprecision CNC machines to keep the steel mechanical properties and improve the thread life.
LUOYANG GUANGTUO ROCK DRILLING GROUP, it was founded in 2010, located in Yiyang county, Luoyang city,Henan province,specializing in producing hollow drill steel and tapered drill rod. With the past years efforts,it has developed three branches,LUOYANGTUOYAN MACHINERY EQUIPMENT CO,LTD, specializing in manufacturing thread drill tools including thread rods and bits, LUOYANG SHANDIKE MECHANICAL EQUIPMENT CO,LTD, mainly in charge of import and export dilling tools business.Within advanced technical equipment,mature production line and experienced working team,GUANGTUO has occupied more than 30% shares in domestic market, and sales outlets can be found allover the country.
LUOYANG SHANDIKE MECHANICAL EQUIPMENT CO.,LTD ,for satisfying different rock conditions and quarry miner' S compatible products requirement,our main business scope includes air leg and hand-held rock drilling machines,top hammer drilling tools, such as tapered drill rod, hollow drill steel with collar, tapered chisel bit,button bits cross bit, thread drill bits and rods and down the hole drilling tools such as dth bit and dth hammers.
LUOYANG GUANGTUO ROCK DRILLING GROUP covers an area of 47,500 square meters, and employs more than 300 workers, 5 senior engineers and12 foreign traders,etc.Using the advanced equipment such as Vacuum degassing furnace,Normalizing furnace, pit carburizing furnace,CNC lathe and friction welding machine and special productive technology, both high quality and beautiful appearance get the best insurance.