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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General introduction:
1. These threaded button bits can meet different drilling requirements in all rock formations. We can offer special designs according to customers's requirements for specific work situation.
2.The button bits can transmit intensive impact energy into the rock with the least loss of energy.
3.We select high-strength structure alloy steel and carbides with best quality to ensure the drill body and alloy body can achieve uniform wear,thus the service life of bits will be increased.
4.long service life
| 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 |
| TRC5A | Drop center | 133(5 1/4) | 8 | 227 | 87 | 15.9 | 16.5 | 86.8 | 71.5 | Φ16*8 | Φ14*11 | 2 |
Product picture: