7 Degree Tapered Button Bits 32-45mm for Hollow Rock Drilling in Mining and Quarrying
Price:
9-99999USD/PC
MOQ:
1PC
Delivery Time:
3-5WEEKS
Brand:
MING
Product Description
7 Degree Tapered Button Bits for Hollow Drilling
Professional DTH taper drill bits designed for efficient rock drilling in quarrying, mining, and construction applications.
Product Specifications
Connection Type: 7 Degree Taper
Diameter Range: 32mm to 45mm
Shank Sizes: Φ19, Φ22, Φ25
Key Features
- Compatible with air leg and hand-held jack hammer drillers
- Available in multiple taper degrees: 6°, 7°, 11°, 12°
- Ideal for granite, marble quarry, gold mine, railway, and tunnel drilling
- High-quality construction with 42CrMo steel and ZHUZHOU 601 alloy
- Advanced electron-hydraulic forging process for superior durability
Product Models & Specifications
| 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 |
Ordering Information
Specify: Bit Diameter + Taper Degree + Skirt Length + Insert Shape
Applications
- Mining and quarrying drilling
- Mining exploration drilling
- Piling and foundation drilling
- Water well drilling
- Geothermal drilling
- Horizontal directional drilling
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