T38 76mm Rock Mining Drill Thread Button Drill Bit
Application
The thread button drill bits are made by high quality alloy steel
bar and tungsten carbides. Through heat treatment, our drilling
tools are tough enough to meet rock drilling demands and have the
least loss of energy while drilling the rocks. Besides, we can
design customized thread button drill bits according to different
drilling application, and custom drill bits are applicable to drill
soft rock, loose-medium rock and hard rock.
Rock Drill Thread Button Bits is suitable for R25, R28, R32, R35,
R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many
thread. It's widely used for hard rock(f=8~18) drilling use.
Characteristics
1. Thread connection: R25, R28, R32, R35, R38, T38, T45, T51, ST58,
GT60
2. Alloy steel:42CrMo
3. Suitable carbide tips:YK05
4. Technology:hot-pressing or welding
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...
T38 button bit |
| Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight |
| mm | Front | Gauge | Front | Side | kg |
1 | 64 | 3×10, 1×10 | 6×11 | 3 | - | 1.7 |
2 | 70 | 3×10, 1×10 | 6×12 | 3 | - | 1.8 |
3 | 76 | 3×11, 1×11 | 6×12 | 3 | 1 | 2.6 |
4 | 89 | 3×11, 2×11 | 6×13 | 3 | 1 | 3.3 |
