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| Place of Origin | Germany |
| ชื่อแบรนด์ | ROSCHEN |
| ได้รับการรับรอง | ISO |
| Model Number | 146 (143/134) 131 (128/119) 116 (113/104) 101 (98/89) 86 (84/77) 76 (74/67) 66 (64/57) 56 (54/47) 46 (44/37) |
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 |
