
Conventional Seamless Casing Pipe OD 131 mm x ID 113mm x 6mm
Drill Rods and Casing Tubes
We manufacture a range of high quality tubular products from high
tensile cold drawn and hot finished seamless steel tubes.
Drill rods are available in DCDMA sizes AW, BW and NW and with tapered threaded tool joints in
sizes BWY and NWY.
Drill rods are also available in Wireline sizes N, H, P, S and Metric sizes 42mm and 50mm.
We also manufacture Friction-welded Drill Rods for other applications such as DTH Hammer drilling.
Casing tubes are available in DCDMA sizes BW, NW, HW, PW, SW, UW and ZW and Metric Sizes
46 -146 mm.
Drill Rods:
AW BW NW
Drill Rods BWY NWY
Drill Rods Metric
Drill Rods Friction Welded
Drill Rods Wireline N H P
Drill Rods Wireline S
Casing Tubes
BW – ZW
Casing Tubes Metric 46 - 146
Specifications:
SIZE | Tube O.D. | Tube I.D. | Threads |
A | B | per inch | |
(mm) | (mm) | (T.P.I.) | |
146 (143/134) | 143.3 | 133.3 | 4 |
131 (128/119) | 128.4 | 118.4 | 4 |
116 (113/104) | 113.4 | 103.4 | 4 |
101 (98/89) | 98.4 | 88.4 | 4 |
86 (84/77) | 84.4 | 77.5 | 4 |
76 (74/67) | 74.4 | 67.5 | 4 |
66 (64/57) | 64.4 | 57.5 | 4 |
56 (54/47) | 54.3 | 47.4 | 4 |
46 (44/37) | 44.3 | 37.4 | 4 |
ROSCHEN GROUP
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.