Overshot Geo-Line 146 S and Dry Hole Device

The ROSCHEN Geo-line OVERSHOT, offers greater security recovering the inner tube assembly from the bottom of the hole.

Its rugged construction and design, ensuring maximum efficiency in liquid filled holes.

On dry drilling, or severe loss of water, the Dry Hole Device is used for lowering the inner tube to its working position.

The Dry Hole Device and Overshot work in combination: the catch sleeve is unscrewed from the Overshot so that it can be fixed to the Dry Hole Device.

 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.