| Customization: | Available |
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| Standard: | API |
| Length: | 600-4500mm |
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Rock drilling tools Tapered Drill Rod is to provide a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered drill bit end. Tapered steel lengths are measured from the collar to the bit end. Holes are usually drilled in 0.6 m increments to accommodate the air leg feed length. The drilled steel is extracted and followed with a slightly smaller diameter rock drill bit on the next steel length in the sequence.
| shank type | Length(mm) | Taper angle |
| HEX22*108 | 610 | 7/11/12 Degree |
| 800 | ||
| 1220 | ||
| 1830 | ||
| 2000 | ||
| 2430 | ||
| 3050 | ||
| 3660 |
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 85% against the original products
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