11 Degree 28mm Tapered Cross Button Bits for Coal Mining Equipment - High Hardness DTH Drill Bits
Price:
9-99999USD/PC
MOQ:
1PC
Delivery Time:
3-5WEEKS
Brand:
MING
Product Description
Product Overview
High Hardness 11 Degree 28mm Tapered Cross Button Bits are engineered for demanding coal mining and mineral extraction operations. These DTH taper drill bits feature a robust cross-shaped carbide tip design that delivers superior drilling performance in hard rock formations.
Technical Specifications
Connection Type: 11 degree taper
Diameter: 28mm
Model: MZ0528-11
Weight: 0.2kg
Diameter: 28mm
Model: MZ0528-11
Weight: 0.2kg
Performance Advantages
Compared to traditional tapered chisel drill bits, our cross button bits feature doubled carbide tips arranged in a cross pattern, significantly enhancing drilling efficiency and impact resistance.
Key Features
- High hardness construction with superior wear resistance
- Cross-shaped carbide tip design for improved drilling performance
- Full adaptability to various rock drilling conditions
- Manufactured from premium tungsten carbide materials
- Special heat treatment process for enhanced durability
Complete Product Range
| Model | Bit Diameter (mm) | Tip Size (mm) | Taper | Weight (kg) |
|---|---|---|---|---|
| MZ0732-7 | 32 | 5×7 2×7 | 7" | 0.3 |
| MZ0833-7 | 33 | 6×7 2×7 | 7" | 0.4 |
| MZ0735-7 | 35 | 5×8 2×7 | 7" | 0.4 |
| MZ0737-7 | 37 | 5×8 2×8 | 7" | 0.4 |
| MZ0438-7 | 38 | 3×9 1×9 | 7" | 0.3 |
| MZ0440-7 | 40 | 3×9 1×9 | 7" | 0.4 |
| MZ0741-7 | 41 | 5×9 2×7 | 7" | 0.5 |
| MZ0442-7 | 42 | 3×9 1×9 | 7" | 0.4 |
| MZ0543-7 | 43 | 3×9 2×9 | 7" | 0.4 |
| MZ0528-11 | 28 | 4×7 1×7 | 11" | 0.2 |
| MZ0530-11 | 30 | 4×7 1×7 | 11" | 0.2 |
| MZ0532-11 | 32 | 3×8 2×7 | 11" | 0.2 |
| MZ0632-11 | 32 | 4×7 2×7 | 11" | 0.2 |
| MZ0732-11 | 32 | 5×7 2×7 | 11" | 0.2 |
| MZ0734-11 | 34 | 5×8 2×7 | 11" | 0.3 |
| MZ0536-11 | 36 | 3×8 2×8 | 11" | 0.3 |
| MZ0636-11 | 36 | 4×8 2×8 | 11" | 0.3 |
| MZ0736-11 | 36 | 5×8 2×8 | 11" | 0.3 |
| MZ0738-11 | 38 | 5×8 2×8 | 11" | 0.4 |
| MZ0741-11 | 41 | 5×9 2×8 | 11" | 0.4 |
| MZ0732-12 | 32 | 5×7 2×7 | 12" | 0.3 |
| MZ0735-12 | 35 | 5×8 2×7 | 12" | 0.4 |
| MZ0737-12 | 37 | 5×8 2×8 | 12" | 0.4 |
| MZ0741-12 | 41 | 5×9 2×8 | 12" | 0.5 |
| MZ0743-12 | 43 | 5×9 2×8 | 12" | 0.5 |
| MZ0745-12 | 45 | 5×9 2×9 | 12" | 0.5 |
Applications
These tapered cross button bits are specifically designed for:
- Coal mining operations
- Mineral extraction and processing
- Tunneling and underground construction projects
- Quarrying and aggregate production
- Hydropower project development
- Geological exploration and drilling
Ordering Information
Specify your requirements using the format: Bit Diameter + Taper Degree + Socket Diameter.
Product Images
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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
Wuhan Kingdrilling Diamond Co.,Ltd
Location
1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Contact Person
Wendy Chen