| 出生地 |
Shandong China (Mainland) |
| 牌子的名字 |
ZX |
| 模式的数量 |
ZX |
| 类型 |
钻头 |
| 机器型号 |
钻探工具 |
| 处理类型 |
选角的 |
| 使用 |
煤矿开采 |
Features: 1) Different sizes available 2) Tapered drill rods: a) Shank size: H22×108mm(7/8×4 1/4) b) Taper:7. 12 c) Length under collar(mm):610, 1220,1830,2435,2740,3050,3660 3) Integral drill rods: a) Shank sizes: i) H22×108mm (7/8×4-1/4) ii) H25×108mm(1×4-1/4) b) Length under collar(mm):400, 800,1200,1600,2000,2400,3200,4000 c) Bit diameter(mm):29,30,31,32,33,34,35,36,37,38,39,40,41