NWJ Drill Rod for diamond core drilling
NWJ Drill Rod for diamond core drilling
The Drill Rod J Series Taper Threaded are manufactured with accordance with DCDMA. Standards are comprised with high tensile ally steel end pieces of which are friction welded to a cold drawn seamless tube. Rod ends are screwed with an API form thread.
| WJ Drill Rod Specifcations | |||||||
| Size | O.D. | I.D. | Threads Per Inch | Weight | |||
| Inches | MM | Inches | MM | LB / 10 Ft | Kg / 3 M | ||
| AWJ | 1.75 | 44.5 | 1.25 | 31.8 | 5 | 40 | 18 |
| BWJ | 2.125 | 53.9 | 1.875 | 47.6 | 5 | 55 | 24 |
| NWJ | 2.625 | 66.6 | 2.125 | 53.9 | 4 | 70 | 31 |
| Product Paramenters | |
| Wireline Series | AQ, BQ, NQ, HQ, HWT, NT, HT, PT, BQZ, NQZ, HQZ |
| Metric Series | 33, 42, 50, 60, 75, 89, 114 |
| "W" Series | RW,EW,AW, BW, NW,HW |
| "WJ" Series | AWJ, BWJ, NWJ,KWJ,HWJ |
| "TW"Series | BTW, NTW, HTW |
| Others | LTK48, etc. |
Product Advantage:
1. Special material from BAOSTEEL, named CROWN 950, better concentricity & straightness.
2. Heat treatment with multi-point temperature measurement to guarantee perfect match between strength and toughness.
3. Harden on the thread part to extend the working life.
4. Quality controlled on each step, from raw material picking to final packaging.
5. The standard lengths of drill rod are 3 meters and 1.5 meters, customization is available.
For more information, pls contact us:
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat: +86-137-6419 5009
WhatsApp: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschendrill.com
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