T45 76mm Retract Ballistic Button Bits for Big Top Hammers with XT48 Carbide Technology
Price:
Negotiable
MOQ:
1 pcs
Delivery Time:
Negotiable
Brand:
ROSCHEN
Product Description
Product Overview
Roschen RT300/GT60 retract ballistic button bits deliver exceptional performance for big tophammer drilling operations. These advanced drill bits feature XT48 cemented carbide technology for superior wear resistance and extended service life.
Key Features & Benefits
- XT48 cemented carbide buttons for maximum hardness and toughness
- Universal face design enhances energy distribution and cuttings evacuation
- Retrac skirt design for superior guidance and hole straightness
- 10-30% increased bit life compared to previous generations
- 5-10% higher productivity in various rock conditions
- Reduced fuel consumption - approximately 50% less than DTH methods
- Compatible with Atlas Copco T45 and similar big tophammer systems
Technical Specifications
Available Sizes & Configurations
| Diameter (mm) | Diameter (inch) | Button Configuration | Flushing Holes | Weight (kg) |
|---|---|---|---|---|
| 64 | 2 1/2 | 3x11 Front, 6x12 Gauge | 3 Front | 1.8 |
| 70 | 2 3/4 | 4x11 Front, 8x11 Gauge | 2 Front | 1.9 |
| 76 | 3 | 4x11 Front, 8x11 Gauge | 2 Front | 2.4 |
| 89 | 3 1/2 | 4x13 Front, 8x13 Gauge | 2 Front | 3.3 |
Button Selection Guide
Spherical buttons (S48) perform best in hard rock formations, while ballistic buttons (R48) provide faster drilling rates in medium-hard to soft rocks. Regular skirts offer economical performance in solid rock, while Retrac skirts excel in variable and fractured formations.
Contact Information
Email: roschen@roschen.com; roschen@roschen.net
WhatsApp: +86-137 6419 5009; +86-135 8585 5390
WeChat: +86-137 6419 5009; +86-135 8585 5390
Website: www.roschen.net; www.roschen.cn
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ROSCHEN GROUP
Location
65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person
Bill, George, Michael