Changsha Golden Drilling Machinery Co.,Ltd
Real Facotry, Prime Service and Diamond Quality
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Roller Bits / Drilling Bits Rotary Piling Tools 8-1/2' Replaceable Type
| Size | TC Bit Dia.(mm) | TC Bit No. (PCS) | TC Bit Height(mm) | Dia. of Roller(mm) | Height of Roller(mm) | Remarks |
| 8-1/2’ | 13 | 42 | 7 | 134 | 83 | Both Welding and holder type are available |
| 13 | 55 | 7 | 130 | 83 | ||
| 14 | 42 | 9 | 138 | 83 | ||
| 14 | 55 | 9 | 134 | 83 | ||
| 15 | 45 | 8 | 141 | 83 | ||
| 10-1/2’ | 17 | 50 | 11 | 170 | 98 | |
| 12-1/4 | 14 | 75 | 9 | 186 | 130 |
Introduction:
With 10 years’ experience on piling works, JZTG team is dedicated to design, manufacture and supply top cost-perforemance roller bits for hard rocks.
1. Modern design special for foundation works;
2. Material from top suppliers;
3. Professional and modern production line;
4. With built-in grease supplement system;
5. Top level welding and heat treatment technology.
