Reaming Machine ST58 ST68
Application: Reaming/enlarging holes for blasting or anchoring
Structure: Pilot bit + reaming wings
Material: quality alloy steel with carburized surface and high-grade tungsten carbide buttons
Color: Gold / Customization
General Introduction
The ST58 ST68 reaming machine consists of a central pilot bit and reaming wings, typically equipped with high-quality tungsten carbide buttons for superior wear resistance and penetration efficiency. It is widely used in open-pit mining, quarry bench drilling, and large-scale construction projects, where high drilling precision and large hole diameters are required.
Guidance to Product Code
Example: GD-RBG152ST58-215S(B)
- RBG: Reaming equipment
- 152: Bit Diameter
- ST58: Thread
- 21: Gauge button numbers
- 5: Front button numbers
- S:spherical teeth; B: ballistic teeth
Specification
| Article No. | Dia | Button | Pilot Dia (mm) |
Weight(kg) | |||
| mm | inch | Front | Guage | mm | inch | ||
| GD-RBG152ST58-215S(B) | 152 | 6 1/16 | 5x14 | 21x14 | 80 | 3 1/8 | 13.6 |
| GD-RBG152ST68-215S(B) | 152 | 6 1/16 | 5x14 | 21x14 | 80 | 3 1/8 | 13.6 |
Technical data
| Item | Reaming Machine ST58 ST68 |
| Thread type | ST58 / ST68 |
| Skirt material | 45CrNiMoV alloy steel |
| Skirt shape | Standard shape |
| Carbie shapes | Ballistic / spherical |
| Material of Carbide | YK05 / Element Six tungsten carbide |
| Inserting of carbide | Hot pressing |
| Face design | Domed reamer |
| Hardness | HRC43-48 |
| Application | Long‑hole drilling, reaming oversized blast holes, underground mine production |
| Custom options | Diameter, button shapes, brading, packing and etc |
Company Profile
FAQs
Q: 1. What types of rock can the reaming equipment handle?
A: It is designed for very hard and abrasive rock formations, such as granite, basalt, quartzite, and similar.
Q: 2. Can I request OEM or custom branding?
A: YES
Q: 3. What equipment is compatible with this reamer tools?
A: It can be connected to ST58 / ST68 drill rods and shank adapters, and works with large top hammer drilling rigs like Sandvik, Epiroc (Atlas Copco), and Furukawa.
Q: 4. What are the available shipping methods?
A: Sea freight, air freight, express courier (DHL, FedEx, UPS), rail freight and etc.
Q: 5. What is the minimum order quantity (MOQ)?
A: The MOQ for ST58 / ST68 reaming bits is usually 100 pieces, but sample orders of 1–2 pieces are often accepted for testing or trial purposes.
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