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
Add to Cart
Feature:
1.Reverse Circulation bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations .Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
2.Recommended for eliminating hole deviation
3.Widely used drifting and tunneling
4.Bit face design is ideal for medium-hard to hard abrasive rock
| Shank model | Face | Rec. hole size mm(inch) | Spline number | L (mm) | Φ1 (mm) | B1 (mm) | B2 (mm) | Φd1 (mm) | Φd2 (mm) | Gauge buttons | Front buttons | Flushing hole |
| TRC6 | Drop center | 178(7) | 8 | 185 | 110 | 20 | 20 | 101 | 77.6 | Φ16*8 | Φ18*4+Φ16*4 | 2 |