Atlas Copco thread T51 Sleeve Semi-bridge Coupling conection drill rod for high orque machines

Coupling sleeve

Coupling sleeves, when using rock drills with male shank adaptersand a conventional drifter rod, a coupling is required to join the adapter to the rod, ensuring the ends touch for efficient energy transmission. Couplings are also used to connect several rods to each other in the same way. Couplings have a middle stop to prevent over-threading on to the drill rod.

Both semi-bridge and full-bridge coupling sleeves are manufactured by us in different sizes as below:

Thread sizes: R25, R28, R32, R35, R38, T38, T45, T51.

Semi Bridge Coupling: R32-R25 R32-T38

Full Bridge Coupling: R32-R32 T38-T38

Thread R Thread, T thread.

Length: 140mm-250mm. Special length is available by request.

Diameter: 34mm-77mm. Special diameter is available by request.

KSQ Drilling Crossover Coupling can be exchanged and replaced with Brands Such as: Rock Drilling Tools, Atlas Copco Rock Drilling Tools, Rockmore Rock Drilling Bits, Robit Rock Drilling Bits, Mitsubishi Materials Corporation Rock Drilling Tools.

KSQ Top Hammer Rock Drilling Coupling Sleeves

We Offer three types of top hammer drilling coupling for drifter rod, extension rods, guide rods, shank rods that fit customer requirements-standard, full-bridge, or cross-over coupling, depending on your applications.

T51 Coupling sleeve specification

Coupling sleeve specification

About US

KSQ Technologies (Beijing) Co. Ltd. is a diversified enterprise based in Beijing, China, offering a portfolio of products that help contribute to a better bottom line and increase workplace safety for the construction and mining industries.

KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations. Our operations are based on the unique expertise of our people and knowledge with customer processes.

MIROC® Rock Drilling and Ground Support Tools include:

Top hammer Rock drilling tools
Down-the-hole (DTH) Bits and hammers

Diamond core drilling tools

Tricone and PDC drill bit

KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, prodcution, and application. The company has adopted advanced manafacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients' drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company's development team introduces innovative products each year - tools that are rigorously tested in the field and proven to perform beyound industry expectations.

The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.

MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.