Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity
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1. Certificate: ISO9001:2008
2. Material: Alloy steel
3. Precise get rock sample, Low cost
Application Range: Geological exploration,ore mining.
Design Principles: To arrive at target depth exactly and improve the productive efficiency with low cost,durable using.
Features: High impact frequency
Fast penetration
Low air consumption
High crush function
Excellent energy transfer to the drill bit
High discharge / flushing capability
Extremely high penetration rate
Long life performance.
Handles injection of water, foam, oil, and polymers without performance loss.
Shank | Face | Rec. hole size | Spline | L | Φ1 | B1 | B2 | Φd1 | Φd2 | Gauge | Front | Flushing |
| TRC4HA | Drop center | 127(5) | 8 | 225 | 84 | 14.25 | 14.55 | 79.4 | 69.2 | Φ14*8 | Φ14*6+ Φ13*4 | 2 |
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