| Place of Origin | Shandong, China |
| Brand Name | Jingyanggang |
| Model Number | B22,B25 |
| Type | Drill Pipe |
| Machine Type | Drilling Tool |
| Certification | Other, ISO9001:2000 |
| Material | Other, 55SiMnMo |
| Processing Type | Forging |
| Use | Ore Mining |
Tapered Drill Rods:
Features:
1) Different sizes available
2) Tapered drill rods:
a) Raw materials: 55 SiMnMo, 95 CrMo
b) Shank size: H22 x 108mm (7/8 x 4 1/4 )
c) Taper: 6, 7, 11, 12 degree etc.
d) Length under collar (mm): 610, 1220, 1830, 2000, 2435, 2740, 3050, 3660
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