DCDMA J-Series Drill Rod with AWJ BWJ NWJ Drill Rods heat treated tool Joints for convention coring
Available from ROSCHEN with inertia welded, heat treated tool joints and heavy-wall construction which makes the AWJ version ideal for SPT work and the NWJ durable enough for rigorous rotary & deeper conventional coring applications.

Both thread sizes make-and-break in one & three-quarter turns & will never cross-thread.

Simply match your desired thread with your required length when ordering.

 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.