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Trépans à boutons pour forage de roche
Prix habituel De $77.58Prix unitaire /IndisponibleEn stock (730 unités)-
Button Bits Comparison
| Button Bit Type | Best For Rock Type | Primary Advantage | Common Uses |
|---|---|---|---|
| Flat Face Button Bits | Hard & abrasive rock | Stable drilling and wear resistance | Mining, quarrying, tunneling |
| Convex Button Bits | Medium-hard rock | Balanced penetration and longevity | Blast holes, foundation drilling |
| Ballistic Button Bits | Medium to soft rock | Faster penetration rates | Construction drilling, geotech holes |
| Retrac Button Bits | Broken or fractured formations | Easier retraction, reduced sticking | Complex drilling environments |
Button bits feature tungsten carbide buttons engineered for high durability and efficient rock fragmentation, making them ideal for demanding drilling conditions across mining, construction, and geotechnical applications.
Performance Snapshot
| Performance Factor | Flat Face | Convex | Ballistic |
|---|---|---|---|
| Penetration Rate | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐⭐ |
| Wear Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐☆ | ⭐⭐⭐☆ |
| Stability & Control | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐☆ | ⭐⭐⭐☆ |
How to Select Button Bits
Choose based on **formation hardness and drilling method**:
- Flat Face — best for hard, abrasive rock formations with long bit life.
- Convex — balanced choice for mixed formations with efficient penetration.
- Ballistic — faster drilling in softer to medium-hard rock where speed is key.
- Retrac — ideal where stick-back and retraction issues occur in broken ground.
Tool Features & Compatibility
| Feature | Options Available |
|---|---|
| Connection Types | Threaded, tapered, DTH shanks |
| Button Materials | Tungsten carbide inserts |
| Application Focus | Mining, drilling, geotechnical work |
Madido button bits are engineered to maximize penetration, wear resistance, and stability in challenging rock drilling applications.
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