Wireline Core Barrel Locking Coupling / Adapter Coupling Q Series

Locking coupling

Its main function is to ream the hole to the correct comstant specific diameter which ensures adequate

clearance for the core barrel and sufficient clearance for the new bit which replaces an old one.It also acts as a stabilizer for drill bit.

Adapter coupling

Adapter coupling is a part of the corebarrel and with a long sercice life.

This product is one type of couplings. It is used to connect tubing pipes.

The placement is male which is easy and flexible to operate.

About us :

ROSCHEN is a professional and leading manufacturer of geological drilling tools, horizontal directional drilling tools in China. Our Main products are Core Drill Rigs, Core Bits, Reaming Shells, Drilling Rods, Cemented Carbide Inserts, Mud pumps and Various Core Drill Tools.

ROSCHEN produce a wide range of drilling tools including impregnated diamond core bits, natural diamond surface-set core bits, PDC bits (core or non-core), casing shoes, reaming shells, wireline barrel assemblies and other drilling tools. These are all manufactured to the strictest quality standards of British / Swedish / DCDMA / CDDA / Metric standards, and used around the world in a great variety of applications.

We are committed to carrying out advanced technological research, and providing customers with products of outstanding quality and satisfactory service.

 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

ROSCHEN Manufactory PROCESS

ROSCHEN Sales Value Growing Up!

ROSCHEN'S MISSION

1. Strive to create and supply Best quality products for the industry that last longer than the average products.

2. Provide excellent service for our clients.  24 hour-7 days /week schedule to get our clients what they need – FAST.