R25 Short Skirt Ballistic Buttons Dia 33-45mm Button Drill Bit
Description
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 R22, 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.
Type | Thread Button Bit |
Material | tungsten carbide |
Use | Ore Mining, quarry,mining,blasting,construction,open bit etc. |
Advantages | high quality and factory prices |
Boby type | Normal type or retrac type |
Thread | R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60, GT68 |
Tungsten carbide | Spherical, ballistic,Conical,Hemispherical |
Fact type | Drop Center, Flat Face, Convex, Concave, etc |
Color | According to your requirements |
Characteristics
1. Thread connection: R22, 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...
Specification
| Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| Spherical |
| 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.4 | B733-R25-S |
| 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.4 | B735-R25-S |
| 38 | 1 1/2 | 2x7 | 5x8 | 30° | 1 | 1 | 0.5 | B738-R25-S |
| 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 | B738-R25-S |
| 41 | 1 5/8 | 2x9 | 4x9 | 35° | 1 | 2 | 0.6 | B741-R25-S |
| 41 | 1 5/8 | 2x8 | 5x9 | 35' | 1 | 1 | 0.6 | B741-R25-S |
| 45 | 1 7/9 | 2x9 | 4x11 | 35° | 1 | 2 | 0.6 | B645-R25-S |
| 45 | 1 7/9 | 2x8 | 5x10 | 30° | 1 | 2 | 0.6 | B745-R25-S |
| 45 | 1 7/9 | 2x8 | 5x11 | 30° | 1 | 2 | 0.6 | B745-R25-S |
| Ballistic |
| 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.4 | B733-R25-B |
| 35 | 1 3/8 | 2x7 | 5x9 | 25° | 1 | 1 | 0.4 | B735-R25-B |
| 38 | 1 1/2 | 2x7 | 5x9 | 40° | 1 | 1 | 0.5 | B738-R25-B |
| 41 | 1 5/8 | 2x8 | 5x9 | 40° | 1 | 1 | 0.6 | B741-R25-B |
| 45 | 1 7/9 | 2x9 | 5x10 | 35° | 1 | 2 | 0.6 | B745-R25-B |
