Product Parameters:DIN7991
Looking for premium DIN7991 Titanium Hexagon Socket Countersunk Head Cap Bolts that deliver exceptional performance in demanding applications? Our precision-engineered titanium fasteners combine superior strength with lightweight properties to meet your most challenging project requirements. These specialized bolts feature a countersunk head design that sits flush with your material surface, providing both functional excellence and aesthetic appeal. Whether you're working in aerospace, marine, or high-performance applications, our titanium bolts offer the perfect balance of durability and corrosion resistance you need.
Our DIN7991 standard bolts are manufactured using premium-grade titanium materials, ensuring consistent quality and reliability across every batch. Each bolt undergoes rigorous CNC machining processes to guarantee precise threading and dimensional accuracy that meets international standards.
| Specification | Details |
|---|---|
| Standard | DIN7991 |
| Material | Pure Titanium, Titanium Alloy |
| Grade | Gr5 (Ti6Al4V), Gr2, Gr1 |
| Processing | CNC Machined |
| Thread Type | Metric, Imperial Available |
| Size Range | M3-M20 (Custom sizes available) |
| Length | 6mm-200mm (Custom lengths available) |
| Surface Treatment | Polishing, Anodizing, Nitriding |
| Color Options | Natural, Gold, Blue, Green, Purple, Black, Rainbow |
| Tensile Strength | 895-1000 MPa (Gr5) |
| Density | 4.43 g/cm³ |

Flush Mounting Design: The countersunk head sits perfectly flush with your material surface, creating a smooth, professional finish that eliminates snagging points.
Hexagon Socket Drive: Internal hex socket provides excellent torque transmission while maintaining the clean appearance of the countersunk head design.
Superior Strength-to-Weight Ratio: Titanium construction offers strength comparable to steel while being 40% lighter, reducing overall system weight.
Exceptional Durability: Titanium's natural properties ensure long-lasting performance even under extreme conditions and repeated stress cycles.
Corrosion Resistance: Our titanium bolts resist corrosion from saltwater, acids, and alkaline environments, making them ideal for marine and chemical applications.
Temperature Stability: Maintains structural integrity across a wide temperature range from -269°C to 600°C, perfect for extreme environment applications.
Biocompatibility: Medical-grade titanium options available for applications requiring biocompatible materials.
Non-Magnetic Properties: Excellent choice for applications where magnetic interference must be avoided.
Lightweight Construction: Significantly reduces overall assembly weight without compromising strength or reliability.
Aerospace Industry: Aircraft components, satellite systems, and space equipment where weight reduction and reliability are critical.
Marine Engineering: Boat hardware, offshore platforms, and underwater equipment requiring superior corrosion resistance.
Medical Devices: Surgical instruments and implantable devices where biocompatibility is essential.
Automotive Racing: High-performance vehicles where weight reduction and strength are paramount.
Chemical Processing: Equipment exposed to corrosive chemicals and extreme temperatures.
Electronics: Non-magnetic applications in sensitive electronic equipment and instrumentation.
Our state-of-the-art facility features comprehensive CNC machining capabilities to produce DIN7991 Titanium Hexagon Socket Countersunk Head Cap Bolts with exceptional precision. We utilize advanced multi-axis CNC machines for complex threading operations and precise head forming.
Our experienced technicians perform specialized heat treatment processes to optimize the mechanical properties of each bolt. We offer various surface treatments including anodizing for enhanced corrosion resistance and aesthetic appeal.
Custom manufacturing capabilities allow us to produce non-standard sizes, special threading, and unique specifications to meet your specific project requirements.


Custom solutions, fast delivery, competitive pricing, and excellent service.

Titanium Product Manufacturing
Baoji Chuanglian New Metal Material Co., Ltd specializes in manufacturing high-quality titanium and rare metal products. With over ten years of experience, we produce titanium rods, plates, tubes, fasteners, and customized components. Our products meet strict national and international standards, ensuring durability and reliability. We cater to industries such as aerospace, medical, and petrochemical, providing high-performance titanium solutions tailored to customer needs.
Precision Titanium Machining
Equipped with advanced CNC machines, we offer precision machining services, including cutting, milling, drilling, and turning. Our experienced technicians ensure high accuracy and quality in every component. By continuously upgrading our technology, we meet complex machining demands for various industries. Whether you need standard titanium parts or custom-designed solutions, we provide efficient and reliable services.


Strict Quality Control
We maintain a rigorous quality control system from raw material selection to final inspection. Every product undergoes thorough testing to ensure superior performance and longevity. Our titanium products have been trusted by global companies for years, earning a reputation for reliability. With strict adherence to quality standards, we guarantee high-quality products with on-time delivery.
Global Titanium Solutions
Serving industries worldwide, we provide professional titanium solutions, from production to after-sales support. Our products are widely used in aerospace, medical, marine, and industrial fields. We focus on customer satisfaction, offering customized services and technical assistance. With a commitment to innovation and quality, we strive to build long-term partnerships and deliver high-value titanium products globally.


Automotive Industry

Electronics Industry

Aerospace Industry

Medical Industry

Cars and Racing

Consumer Electronics
Why Choose Us?
Decades of Expertise
With over 10 years of experience, we deliver precise, high-quality titanium products tailored to industry standards.
Customized Solutions
We provide customized titanium solutions to meet your specific needs, ensuring optimal performance and satisfaction.
Advanced Technology
Our cutting-edge machinery ensures precise manufacturing, offering innovative and reliable titanium solutions.
Global Support
We offer excellent customer service, fast delivery, and reliable after-sales support worldwide.
Every bolt undergoes comprehensive quality inspection from raw material verification through final packaging. Our quality control system includes dimensional checking, material composition analysis, and mechanical property testing.
We maintain strict adherence to DIN7991 standards while implementing additional quality measures to ensure consistent performance. Each batch receives certification documentation for traceability and quality verification.

Products are carefully packaged in protective containers to prevent damage during shipping. We offer various packaging options including bulk packaging for large orders and individual packaging for specialty applications.
Our efficient logistics network ensures prompt delivery worldwide with full tracking capabilities. We work with trusted shipping partners to guarantee safe arrival of your titanium fasteners.
Q: What grades of titanium do you offer for DIN7991 bolts?
A: We primarily offer Gr5 (Ti6Al4V) for maximum strength, plus Gr1 and Gr2 for specific applications requiring pure titanium properties.
Q: Can you produce custom sizes not listed in your standard range?
A: Yes, our CNC capabilities allow us to manufacture custom sizes and specifications to meet your exact requirements.
Q: What surface treatments are recommended for marine applications?
A: We recommend anodizing treatment for enhanced corrosion resistance, though natural titanium already provides excellent marine environment protection.
Q: Do you provide material certificates with orders?
A: Yes, we provide complete material certification and quality documentation with every order for traceability purposes.
With over ten years of titanium processing expertise, Baoji Chuanglian New Metal Material Co., Ltd. stands as your trusted partner for premium titanium fasteners. Our location in Baoji City, known as the "City of Titanium," provides us with direct access to the finest raw materials and industry expertise.
Our commitment to continuous technological advancement ensures you receive the most advanced manufacturing capabilities available. We combine traditional craftsmanship with modern CNC technology to deliver products that exceed expectations.
Our global customer base trusts us for consistent quality, competitive pricing, and exceptional customer service. We build long-term partnerships through reliable delivery and comprehensive technical support.
Ready to experience the superior performance of our titanium fasteners? Contact our expert team today for detailed specifications, custom quotes, or technical consultation.
Email: info@cltifastener.com
Our knowledgeable staff is ready to help you select the perfect titanium bolt solution for your specific application requirements. We look forward to partnering with you on your next project.
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