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CHD CORING SYSTEM OVERVIEW:
| CHD76 | CHD101 | CHD134 | |
Bit | OD (mm) | 77.3 | 101 | 134 |
ID (mm) | 44.5 | 63.5 | 92 | |
Reamer | OD (mm) | 77.8 | 101.5 | 134.5 |
Outer tube | OD (mm) | 73 | 95 | 130 |
ID (mm) | 60.3 | 82 | 113 | |
Inner tube | OD (mm) | 51 | 73 | 102 |
ID (mm) | 46 | 67 | 105 | |
Rod | OD (mm) | 71 | 93 | 127 |
ID (mm) | 60 | 81 | 113.6 | |
Coupling | OD (mm) | 74 | 95 | 130 |
ID (mm) | 55 | 78.5 | 101 | |
Core sze (mm) | 44.5 | 63.5 | 92 | |
Length (m) | 3/4.5 | 3/4.5 | 3/4.5 | |
drill capacity (m) | 3500 | 2400 | 1500 | |
Details:




Jinshi will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued.