ST58 Threaded Button Bit 89mm Spherical / Ballistic Super High Wear Resistance
ST58 Threaded Button Bit 89mm
Spherical / Ballistic
Super High Wear Resistance
Threaded Rock Drilling Tools ST58
Specifications:
| Drill Bit | Diameter | No x Buttons Diameter | Flushing Holes | Weight, kg | ||||
| mm | foot | Front | Gauge | Angle | Front | Side | ||
| ST58 Button Drill Bit | Spherical and Ballistic | |||||||
| 89 | 3 ½ | 6 x 12 | 8 x 12 | 35 | 2 | 1 | 4.1 | |
| 89 | 3 ½ | 6 x 13 | 8 x 13 | 35 | 2 | 1 | 4.1 | |
| 89 | 3 ½ | 4x13,1x13 | 8 x 13 | 35 | 4 | - | 4.1 | |
| 89 | 3 ½ | 4x12,2x12 | 8 x 12 | 35 | 4 | - | 4.1 | |
| 95 | 3 ¾ | 4x13,1x13 | 8 x 14 | 35 | 4 | - | 4.6 | |
| 102 | 4 | 6 x 14 | 8 x 14 | 35 | 2 | - | 6.0 | |
| 102 | 4 | 6 x 13 | 8 x 16 | 35 | 2 | 1 | 6.0 | |
| 115 | 4 ½ | 6 x 14 | 8 x 16 | 35 | 2 | - | 7.0 | |
Spherical Button Characteristics:
1. Universal button
2. Good wear resistance
3. Best suited for hard ground
4. 27000-48000PSI(180 to 320Mpa)
5. Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics:
1. Fast Penetration
2. Best suited for soft rock
3. 10000-20000PSI(70 to 140Mpa)
4. Suited for non-abrasive drilling conditions
This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations. Featuring spherical and ballistic tungsten carbide inserts that is known to have strong configuration against carbide fracture. Used in benching and long hole drilling.
Application:
1. Underground mining
2. Drifting anf Tunneling
3. In granite and marble quarry
4. Gold Mine
5. In benching and long hole drilling
Package: Wooden Box; also we can follow customers' requirements.
Delivery time is around 15-20 days.
MIROC® Production:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Coupling Sleeves
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
Company Information:
The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
KSQ Technologies (Beijing) Co. Ltd.
Elisa Zarovkina (Елизавета)
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