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. 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... TDS can make all sizes and shapes according to your request! | Description | Material:Timken steel and Element six carbide Insert Tech.:hot-pressed carbide inserts |
| Diameter | 35mm to 152mm |
| Thread size | R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60. |
| Face Type | Flat front, Drop center front, Uni-face |
| Skirt Type | Normal skirt / Retrac skirt |
| Button type: | Hemispherical, Parabolic, Ballistic, Conical |
| Advantages: | Fast penetration / Long lifespan / Help to save your drilling cost per meter |
| MOQ | No requirements for testing or trial order |
| R32 Button bits, normal skirt | ||||||
| Diameter | T.C buttons | Flushing hole | Angle | |||
| mm | inch | Gauge x mm | Front x mm | Side | Front | Gauge |
| 41 | 1 5/8 | 5x9 | 2x8 | 1 | 1 | 35° |
| 41 | 1 5/8 | 4x9 | 2x8 | 2 | 1 | 35° |
| 45 | 1 3/4 | 4x11 | 2x9 | 2 | 1 | 35° |
| 45 | 1 3/4 | 5x11 | 2x8 | 2 | 1 | 30° |
| 45 | 1 3/4 | 6x9 | 3x8 | 0 | 3 | 35° |
| 48 | 1 7/8 | 5x11 | 2x9 | 2 | 1 | 30° |
| 48 | 1 7/8 | 6x9 | 3x9 | 0 | 3 | 35° |
| 51 | 2 | 5x11 | 2x10 | 2 | 1 | 35° |
| 51 | 2 | 6x11 | 3x10 | 1 | 3 | 35° |
| 51 | 2 | 6x10 | 3x9 | 1 | 3 | 35° |