NKYJZ-500E-1000E-1500E Computer Controlled High Strength Bolt Torque Axial Force Torsion Testing Machine
1.1 Main Applications
This machine is expertly engineered to test the fastening axial force, tightening torque, torque coefficient, and tightening angle of hexagonal head high-strength bolt assemblies ranging from M10 to M39. The results are seamlessly displayed and printed automatically, providing unparalleled convenience. Upon completion of a test set, the machine efficiently calculates the average axial force, average torque, average torque coefficient, standard deviation, and variation coefficient for N test samples, ensuring precision in every analysis.
1.2 Technical Parameters-YJZ1000E
Specification |
Value |
Power Supply |
Three-phase four-wire system, AC 415V |
Servo Motor Power |
7.5KW |
Output Speed |
0-4.0 r/min |
Axial Force Detection Range |
100-1000 kN |
Torque Detection Range |
150-7500 Nm |
Bolt Specifications |
M12, 14, 16, 18, 20, 22, 24, 27, 30, 36 |
Bolt Length |
30-350 mm (≥2.5d) |
Test Accuracy |
Axial force ±1.0%, Torque ±1.0% |
Weight |
Approximately 2000 kg |

As a pioneering force in the testing equipment industry, Jinan Nake Test Equipment Co., Ltd. boasts over two decades of unmatched expertise. Our esteemed NAKE Group is bolstered by a formidable team of 20+ R&D specialists, 50+ skilled production personnel, and a dedicated after-sales team exceeding 10 professionals. Spanning a remarkable 4,000 square meters, our cutting-edge manufacturing and office facilities are a testament to our status as a National High-Tech Enterprise in China.
With the reliability of an ISO 9001:2015-certified quality management system, we rigorously control each production phase to ensure the highest standards. By sourcing around 5,000 tons of raw materials annually and leveraging in-house machining and assembly capabilities, we proudly maintain a 3% cost advantage over our industry peers while delivering superior product consistency.
Our unwavering dedication to precision, reliability, and quality excellence is evident in our impressive record over the past five years: an on-time shipment rate surpassing 98.2%, a product failure rate below 0.3%, and a rework rate under 0.28%. We also offer distinguished OEM manufacturing services for over 20 Chinese exporters, producing approximately 600 units of mechanical testing equipment annually, further solidifying our leadership in the sector.
Our brand, NAKE Test Equipment, commands recognition across China and beyond, with our outstanding products reaching more than 30 countries worldwide. As a direct manufacturer with independent R&D and production prowess, we offer substantial advantages in technical expertise, product customization, and cost efficiency over distributors and intermediaries.




After-Sales Service introduction:
1. Enjoy a one-year warranty on all products, providing peace of mind.
2. Benefit from permanent free software updates, ensuring your equipment stays current with the latest advancements.
3. Access permanent maintenance services, supporting your equipment's longevity and peak performance.
4. Utilize our remote video guidance for comprehensive support and troubleshooting anywhere you are.
1. Is your company a manufacturer or a trading company?
We are a professional manufacturer of materials testing equipment with independent R&D, production, and assembly capabilities. All core components are machined and assembled in-house, ensuring superior quality control, production efficiency, and cost management. Compared to distributors or intermediaries, we offer greater technical expertise, product customization, and competitive pricing.
2. How do you ensure product quality?
We implement strict quality control measures:
ISO 9001:2015-certified quality management system ensures process stability.
In-house machining and assembly of key components guarantee consistency and reliability.
Over the past five years, our product failure rate has remained below 0.3%, with a rework rate under 0.28%, significantly outperforming industry averages.
3. What is your typical lead time?
With an efficient production system, we have achieved an on-time delivery rate exceeding 98.2% over the past five years. Lead times vary based on order volume and product type:
Standard models: 15-30 days
Customized products: Lead time depends on design complexity
4. Do you offer OEM or ODM services?
Yes, we provide OEM manufacturing services for 20+ Chinese exporters, producing approximately 600 units of testing equipment annually. We offer custom branding, software interface modifications, and functional upgrades to meet client requirements while ensuring compliance with international standards.
5. What industries are your testing machines used in?
Our testing equipment is widely applied in various industries, including:
Metals & composites
Rubber & plastics
Construction & civil engineering
Aerospace & automotive manufacturing
Research institutes & university laboratories
6. What after-sales services do you provide?
We offer comprehensive after-sales support, including:
Remote technical assistance: Installation guidance, troubleshooting, and maintenance support via phone, email, or video.
On-site services (available in select regions): Professional engineers can provide installation training and repair services if needed.
Spare parts supply: Long-term availability of original factory parts to ensure stable equipment operation.
Equipment upgrades & software updates: Functional upgrades and software optimizations as per customer needs.
7. How can I request a quote or place an order?
You can contact us through:
Phone/Email Inquiry: Provide your specific requirements, and our sales team will respond within 24 hours.
Custom Solutions: If you have special testing needs, our engineering team can offer tailored solutions and detailed quotations.
8. What are your competitive advantages over industry peers?
Full in-house production for superior quality control: Key components are machined in-house, ensuring consistency and durability.
Manufacturing cost advantage: Our optimized supply chain results in a 3% lower production cost compared to industry averages, providing a cost-effective solution for customers.
Exceptional delivery performance: 98.2%+ on-time delivery rate, ensuring smooth project execution.
Global market experience: Products exported to 30+ countries, meeting multiple international standards.