Expert Support for Your Drilling Needs
Get professional technical support, product information, and expert guidance from our experienced team. We're here to help you achieve optimal drilling performance.
Comprehensive Technical Support
Our experienced technical team provides expert guidance and support to help you select the right tools and achieve optimal performance.
Product Selection Guidance
Expert advice on selecting the right drill bits and chisels for your specific applications and requirements.
Technical Specifications
Detailed technical information including dimensions, materials, performance data, and compatibility charts.
Application Support
Guidance on drilling techniques, best practices, and troubleshooting for optimal tool performance.
Compatibility Verification
Verification of product compatibility with your specific hammer drill models and applications.
Performance Optimization
Recommendations for maximizing tool life, drilling speed, and overall performance in your applications.
Custom Solutions
Engineering support for custom drilling solutions and specialized application requirements.
How to Reach Our Support Team
Multiple ways to get the technical support you need
Technical Hotline
+86 577 8888-1234
Monday-Friday: 8:00-18:00 CST
English & Chinese Support
Email Support
technical@zhonghuantools.com
Response within 24 hours
Detailed technical inquiries
Live Chat
Real-time chat support
Available during business hours
Quick questions and guidance
Technical Resources & Downloads
Access comprehensive technical documentation, catalogs, and guides to support your drilling applications.
Product Catalogs
Complete product catalogs with specifications, dimensions, and application guides for all product lines.
Compatibility Charts
Detailed compatibility charts showing which products work with specific hammer drill models and brands.
Technical Data Sheets
Comprehensive technical data sheets with performance specifications, material properties, and test results.
Installation Guides
Step-by-step installation and usage guides for optimal tool performance and safety.
Safety Guidelines
Important safety information and best practices for safe operation of drilling tools.
Maintenance Tips
Maintenance and care instructions to maximize tool life and maintain optimal performance.
Download Center
Access our complete library of technical documentation and product resources.
Complete Product Catalog
Comprehensive catalog with all products, specifications, and technical data.
Download PDF (15.2 MB) →Compatibility Guide
Detailed compatibility charts for all major hammer drill brands and models.
Download PDF (3.8 MB) →Safety Guidelines
Important safety information and best practices for drilling tool operation.
Download PDF (2.1 MB) →Frequently Asked Questions
Find answers to common questions about our products and services
How do I select the right drill bit for my application?
Consider the material type (concrete, masonry, stone), hole diameter required, drilling depth, and your hammer drill model. Our technical team can provide specific recommendations based on your requirements.
What is the difference between SDS-Plus and SDS-Max?
SDS-Plus is designed for lighter duty applications with drill bits up to 26mm diameter, while SDS-Max is for heavy-duty applications with larger diameter bits (16-40mm) and higher impact energy.
How can I maximize drill bit life?
Use proper drilling technique, ensure adequate cooling, avoid excessive pressure, keep bits clean, and use the correct speed settings for your material and bit size.
Are your products compatible with all hammer drill brands?
Our SDS-Plus and SDS-Max products are designed to international standards and are compatible with major brands including Bosch, Makita, DeWalt, Hilti, and others.
What warranty do you provide on your products?
We provide a comprehensive warranty against manufacturing defects. Warranty terms vary by product type and application. Contact us for specific warranty information.
Do you provide custom drilling solutions?
Yes, we offer custom manufacturing services including special dimensions, materials, and specifications. Our engineering team can work with you to develop solutions for unique applications.
Need Additional Support?
Our technical team is ready to help with your specific requirements and questions.