4 Inch 102mm T51 Retrac Bit For Rock Drilling
4 Inch 102mm T51 Retract Button Bit For Rock Drilling
Description:
Retrac button bits are made by high quality alloy steel bar and tungsten carbides. Under the process of heat treatment, Minetech’s drilling tools are tested in various working conditions. What’s more, Minetech can supply customized thread button bits upon receiving of different drilling application, the bits are suitable in drilling with very hard rock.
Specification:
| Size | Button Quantity | Buckle type | Weight | |
| Front | Gauge | |||
| 64mm | 4*10 | 8*10 | R32 | 2.2KG |
| 76mm | 4*11 | 8*11 | T38 | 3.3KG |
| 89mm | 6*13 | 8*12 | T45 | 5.5KG |
| 102mm | 6*13 | 8*13 | T51 | 7.5KG |
| 115mm | 6*14 | 8*14 | T51 | 9.8KG |
| 127mm | 8*14 | 8*16 | T51 | 12KG |
Before Official Order, please confirm below informations:
(1) Thread Type
(2) Standard or Retrac
(3) Bit button shape (tip shape)--Spherical or Ballistic
(4) Bit face shape--Drop Center, Flat Face, Convex, Concave, etc...
Applications:
• Underground mining
• Tunneling
• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations
MTH can make all sizes and shapes according to your request!
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.