NO. | Specification | Series | Drill Rod Dimension | Thread Standard | Heat Treatment Method | Drill Rod Material | Joint Material / Processing Technology | Using Depth (m) |
1 | BC | Q-Series Drill Rod | 55.6×4.8 | International Standard | Drill Rod: Overall Quenching and Tempering | ZT850 | Self-connecting drill rod;Surface hardeningtreated thread | 2000 |
2 | NC | Q-Series Drill Rod | 70.1×5 | International Standard | ZT850 | 1500 | ||
3 | HC | Q-Series Drill Rod | 89×5.6 | International Standard | ZT850 | 1000 | ||
4 | PC/ PHD | Q-Series Drill Rod | 114.3×6.35 | International Standard | Thread: Hardening Treatment | 45MnMoB | 800 |
Series | Specification | Bit | Reaming ShellO.D | Outer Tube | InnerTube | Drill Rod Parameters | |||
O.D | I.D | O.D | I.D | O.D | I.D | ||||
Q-Series Drill Tools | BC | 59.5 | 36.5 | 60 | 57.2 | 42 | 42.9 | 38.1 | BC |
NC/NC3 | 75.3 | 47.6/45 | 75.8 | 73 | 60.3 | 55.6 | 50 | NC | |
HC/HC3 | 95.6 | 63.5/61.1 | 96 | 92.1 | 77.8 | 73 | 66.7 | HC | |
PC/PC3 | 122 | 85/83 | 122.6 | 117.5 | 103.2 | 95.6 | 88.9 | PC |
China Geological Equipment Group Co., Ltd.
Add.: 5th Floor, Botai Mansion, No. 221 Wangjing Xiyuan, Beijing 100102
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Tel: +86-510-83769831