Wuhan Kingdrilling Diamond Co.,Ltd
                                                                                                           
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Since 2016
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7 Degree 42mm Tungsten Carbide Tapered X Cross Button Bits for Tunneling Drill Rods

Price Negotiable
Price: 9-99999USD/PC
MOQ: 1PC
Delivery Time: 3-5WEEKS
Brand: MING
Product Description
Product Overview

7 Degree 42mm Tungsten Carbide Tapered X Cross Button Bits are engineered for optimal performance in tunneling applications. These DTH taper drill bits feature a cruciform carbide tip design that delivers superior drilling efficiency in hard rock formations.

Key Specifications

Connection Type: 7 Degree Taper

Diameter: 42mm

Model: MZ0442-7

Tip Configuration: 3×9 1×9

Weight: 0.4kg

Technical Advantages
Enhanced Carbide Design: Cruciform tip configuration with doubled carbide surface area for improved drilling performance
Universal Adaptability: Suitable for any drilling conditions, particularly effective in hard and very hard rock formations
Precision Engineering: CNC machined from high-quality steel with advanced heat treatment processes
Optimal Connection: Perfect taper match with drill rods ensures maximum service life and drilling efficiency
Product Parameters
Model Bit Dia. (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
Applications
  • Mining Operations
  • Tunneling & Underground Projects
  • Construction Drill and Blast
  • Quarrying & Aggregate Production
  • Hydropower Project Development
Ordering Information

Specify your requirements using the format: Bit Diameter + Taper Degree + Socket Diameter. Each drill bit is uniquely designed to accommodate specific drilling circumstances and project specifications.

Quality Assurance
  • Precision taper sizing for perfect rod body matching
  • Advanced tungsten carbide blade technology
  • Stable welding processes ensuring drill quality
  • High-quality steel construction with CNC machining
  • Electron-hydraulic forging and controlled heat treatment
Product Images
7 Degree 42mm Tungsten Carbide Tapered X Cross Button Bit front view showing cruciform carbide tip design Side profile view of tapered cross button bit showing precision engineering and steel construction Close-up detail of tungsten carbide cruciform tip configuration on drill bit Complete assembly of tapered cross button bit mounted on drill rod for tunneling applications

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

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