R28 Thread 40mm Diameter Button Bit for Drifting and Tunneling Made of Alloy Steel & Tungsten Carbides
Price:
Negotiable
MOQ:
1
Delivery Time:
20-30
Brand:
MIROC
Product Description
R28 40mm Thread Rock Drilling Button Bit for Drifting and Tunneling
Tungsten carbide button bits feature unique working properties that make them ideal for various demanding applications. These bits are widely used in oil drilling, snow removal equipment, quarrying, mining operations, tunnel engineering, and civil construction projects.
Manufacturing Advantages
- Manufactured with highest quality carbide for stable and consistent performance
- Processed using latest HIP sintering technology for ultimate quality
- Strict quality control throughout production ensures customer standards
- Wide selection of tungsten carbide grades and sizes available
- Factory-direct shipping for shorter delivery times
- Expert technical advice to optimize product performance and cost efficiency
- Custom polished carbide inserts for button bits available
- Custom design, development, and production based on customer requirements
- Both blank and finished products available
Product Specifications
| Part Number | Product Code & Description | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 4148300436 | B737-R28-S, R28 Button Bit, Spherical Buttons | 37 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 |
| 4148300437 | B638-R28-S, R28 Button Bit, Spherical Buttons | 38 | 1 1/2 | 2x8 | 4x9 | 30° | 1 | 2 | 0.6 |
| 4148300438 | B738-R28-S, R28 Button Bit, Spherical Buttons | 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.6 |
| 4148300439 | B741-R28-S, R28 Button Bit, Spherical Buttons | 41 | 1 3/5 | 2x8 | 5x9 | 35° | 1 | 1 | 0.7 |
| 4148300440 | B743-R28-S, R28 Button Bit, Spherical Buttons | 43 | 1 2/3 | 2x9 | 5x9 | 35° | 1 | 2 | 0.8 |
| 4148300441 | B745-R28-S, R28 Button Bit, Spherical Buttons | 45 | 1 7/9 | 2x9 | 5x10 | 30° | 1 | 2 | 0.9 |
| 4148300442 | B945-R28-S, R28 Button Bit, Spherical Buttons | 45 | 1 7/9 | 3x8 | 6x9 | 35° | 1 | 3 | 0.9 |
Button Bit Characteristics
Spherical Button Characteristics
- Universal button design for versatile applications
- Excellent wear resistance for extended service life
- Optimal performance in hard ground conditions
- Pressure range: 27,000-48,000 PSI (180 to 320 MPa)
- Ideal for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics
- Fast penetration rates for efficient drilling
- Best suited for soft rock formations
- Pressure range: 10,000-20,000 PSI (70 to 140 MPa)
- Optimized for non-abrasive drilling conditions
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
KSQ Technologies (Beijing) Co. Ltd
Location
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact Person
Yingkai Zhang