Product Model: NKYJZ-500E-1000E-1500E Computer Controlled High Strength Bolt Torque Axial Force Torsion Testing Machine
1.1 Innovative and Versatile Applications
This advanced machine is expertly engineered to assess the fastening axial force, precise tightening torque, torque coefficient, and accurate tightening angle for hexagonal head high-strength bolt assemblies ranging from M10 to M39. With automatic result display and printing functionalities, this machine seamlessly computes results. After the completion of each test set, it automatically evaluates the average axial force, average torque, torque coefficient, standard deviation, and variation coefficient pertaining to N test samples, providing comprehensive insights.
1.2 Technical Parameters - Model: 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 |

With a prestigious standing as a premier manufacturer in the testing equipment industry, Jinan Nake Test Equipment Co., Ltd. boasts over 20 years of unparalleled expertise. Our NAKE Group is bolstered by an elite force of 20+ R&D specialists, a contingent of over 50 skilled production professionals, and a dedicated after-sales team of more than 10 experts. Our cutting-edge facilities, sprawling over 4,000 square meters, have earned us the distinction of a National High-Tech Enterprise in China.
Our commitment to exceptional quality is cemented by our ISO 9001:2015-certified management system, guaranteeing meticulous oversight throughout production. With an annual procurement of about 5,000 tons of raw materials and our extensive in-house machining and assembly, we achieve an impressive 3% manufacturing cost advantage, ensuring unparalleled product consistency.
In the last half-decade, we have sustained a remarkable on-time shipment rate of over 98.2%, maintained a product failure rate under 0.3%, and kept reworks below 0.28%, highlighting our unwavering dedication to precision, reliability, and superior quality. Furthermore, we extend OEM manufacturing to over 20 Chinese exporters, producing approximately 600 units of mechanical testing equipment annually, cementing our esteemed leadership in the field.
Our distinguished brand, NAKE Test Equipment, holds a revered reputation across China, with our premium products reaching more than 30 countries globally. As a direct manufacturer embodying independent R&D and production prowess, we offer remarkable advantages in technical expertise, product customization, and cost efficiency, distinctly outshining distributors and intermediaries.




Comprehensive After-Sales Service Introduction:
1. Comprehensive one-year warranty on our products
2. Lifetime access to free software updates
3. Ongoing, permanent maintenance services
4. Remote video guidance for support and troubleshooting
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.