4 Inch 102mm T45 Blast Hole Drill Retract Button Bit For Minging
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.
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 | T38 | 4.8KG |
102mm | 6*13 | 8*13 | T45 | 6.8KG |
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...
MTH can make all sizes and shapes according to your request!