Description
new diamond uses only the optimal steel in producing its’ hole openers too,which will give you hour after hour of trouble-free drilling, and with them you will always know that it was produced with the quality you have come to expectfor.
In addition, new diamond is also able to work with you to design a new hole opener bit to maximize performance in the ground conditions you are faced with on your job if necessary.
Applications
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
| Connection | A Box up | API2 3”/8REG | API2 3”/8REG | API2 3”/8REG | API3 1”/2REG | API3 1”/2REG | API4 1”/2REG |
| B Box down | API2 3”/8REG | API2 7”/8REG | API3 1”/2REG | API3 1”/2REG | API4 1”/2REG | API4 1”/2REG |
| C | Length(mm) | 70.0 | 152.4 | 96.0 | 177.8 | 92.0 | 203.2 |
| J | Length Shoulder (mm) | 20.0 | 50.8 | 35.0 | 63.5 | 12.7 | 76.2 |
| E | Width Apanner Flats (mm) | 50.8 | 50.8 | 50.8 | 50.8 | 69.85 | 50.8 |
| d | Std bore (mm) | 24.0 | 25.4 | 24.26 | 44.45 | 38.1 | 58.7 |
| Outside diameter | D1 | Top (mm) | 78.0 | 88.9 | 114.3 | 114.3 | 114.3 | 146.0 |
| D2 | Bottom (mm) | 78.0 | 88.9 | 114.3 | 114.3 | 139.7 | 146.0 |
| F | Across Flat (mm) | 65.0 | 69.85 | 98.4 | 98.4 | 120.65 | 120.65 |
Feature Advantage
22 years of professional R & D and production
1.Factory direct marketing: minimizing costs
2.quality assurance: professional heat treatment technology, high wear resistance.
3.inventory guarantee: stable inventory, product specifications, models rich.
4.after sales guarantee: after sales service system at night, rest assured.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
Product Tags:
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Alloy Steel Rock Drill Parts Images
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