M8 DIN7991 Gr5 Titanium Countersunk Head Bolt

1.Lightweight and strong for high-performance applications.
2.Superior corrosion resistance in extreme environments.
3.Precision threading ensures secure and reliable fastening.
4.High-temperature tolerance for demanding industrial uses.
5.Custom designs available to meet specific requirements.
Product Description

M8 DIN7991 Gr5 Titanium Countersunk Head Bolt: Product Details

Product Introduction

The M8 DIN7991 Gr5 Titanium Countersunk Head Bolt is a high-performance fastening solution, widely used across industries that demand lightweight, corrosion-resistant, and durable materials. This titanium bolt, conforming to the DIN7991 standard, is engineered with precision to provide exceptional strength and reliability. Its countersunk head allows for flush fitting, making it ideal for applications where space-saving and smooth surfaces are crucial.

Made from Grade 5 Titanium (Ti-6Al-4V), this bolt offers superior performance in high-stress environments. Whether you're in aerospace, medical, or chemical processing industries, the M8 DIN7991 Gr5 Titanium Countersunk Head Bolt ensures long-lasting reliability and strength.


Technical Specifications

1. General Information

Feature Specification
Bolt Diameter (M) 8 mm
Thread Pitch 1.25 mm
Length Customizable (Standard Lengths Available)
Head Type Countersunk
Material Grade 5 Titanium (Ti-6Al-4V)
Standard DIN7991
Corrosion Resistance Excellent (Resistant to corrosion in both saltwater and acidic environments)
Weight Light (Titanium’s low density)

2. Mechanical Properties

Property Specification
Tensile Strength 900 MPa (Min)
Yield Strength 830 MPa (Min)
Elongation at Break 10-12%
Hardness (Rockwell) 33-36 HRC
Fatigue Strength Excellent (Enhanced fatigue life compared to steel)

3. Grades and Standards

US (ASTM)

Grade Specification
Grade 5 ASTM B348, AMS 4935, ASTM F136

Russia (GOST)

Grade Specification
Grade 5 GOST 1587-82 (Titanium Alloys)

Japan (JIS)

Grade Specification
Grade 5 JIS H 4600 (Titanium Alloys)


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Product Features (Key Features)

  • High Strength-to-Weight Ratio: Grade 5 Titanium (Ti-6Al-4V) offers incredible tensile strength while remaining lightweight, making it ideal for industries that require both durability and minimal weight.
  • Corrosion Resistance: Titanium is highly resistant to corrosion, especially in aggressive environments like saltwater or acids, ensuring the longevity of the bolts even in harsh conditions.
  • Precision Engineering: Manufactured to the DIN7991 standard, ensuring consistent quality and performance across all production batches.
  • Countersunk Head Design: The flush design is perfect for applications where a smooth, flat surface is necessary, such as in aerospace or marine engineering.
  • Customizable Sizes: Tailored to your specific requirements, offering flexibility in terms of length and threading to suit various applications.

Applications

The M8 DIN7991 Gr5 Titanium Countersunk Head Bolt is used across several critical industries that demand exceptional strength and performance:

  • Aerospace and Aviation: Used in aircraft components such as fuselage structures, engine mounts, and fasteners for landing gear due to its light weight and high strength.
  • Medical Devices: Ideal for use in surgical instruments and implants that require corrosion resistance and biocompatibility.
  • Chemical Processing: Suitable for chemical reactors, pressure vessels, and piping systems due to its resistance to chemical corrosion.
  • Energy: Employed in components for nuclear power plants, wind turbines, and renewable energy technologies.
  • Marine Engineering: Used in shipbuilding and offshore platforms where resistance to saltwater corrosion is crucial.
  • Industrial Manufacturing: Ideal for fastening industrial machinery components, tools, and equipment where precision and durability are essential.

Manufacturing Process

At Baoji Haiyue New Metal Materials Co., Ltd., the M8 DIN7991 Gr5 Titanium Countersunk Head Bolt undergoes a rigorous manufacturing process to ensure superior quality:

  1. Material Sourcing: We source high-quality titanium alloys from trusted suppliers to guarantee the best raw materials.
  2. Precision Forging and Machining: The bolts are forged and CNC machined to exact specifications, ensuring tight tolerances and consistency.
  3. Heat Treatment: The bolts undergo a heat treatment process to optimize their mechanical properties, enhancing their strength and durability.
  4. Surface Treatment: We apply advanced surface treatment techniques to improve corrosion resistance, extending the lifespan of each bolt.
  5. Quality Control: Each batch is subjected to rigorous testing, including ultrasonic and eddy current testing, to ensure it meets industry standards.

Quality Assurance

Quality is our top priority. The M8 DIN7991 Gr5 Titanium Countersunk Head Bolt meets international standards and is backed by our comprehensive quality management system, which includes:

  • ISO 9001:2015 and AS9100D certifications.
  • Advanced testing technologies, such as spectral analysis and ultrasonic testing, to verify material composition and integrity.
  • Compliance with ASTM, AMS, JIS, and GOST standards.
  • Regular audits and inspections to maintain the highest levels of quality control.

Packaging and Logistics

Our packaging ensures the safe delivery of your M8 DIN7991 Gr5 Titanium Countersunk Head Bolts:

  • Packaging: The bolts are carefully packed in secure, anti-corrosion packaging to avoid any damage during transit.
  • Logistics: We offer global shipping services, ensuring on-time delivery to your location, whether by air, sea, or land.
  • Customs Clearance: Our team ensures that all documentation is handled efficiently, making the shipping process smooth and hassle-free.

Customer Support

Our dedicated customer support team is always ready to assist you:

  • Technical Support: Available to guide you in selecting the right bolt for your specific application.
  • After-Sales Service: We provide timely support for any post-purchase inquiries or issues.
  • Order Assistance: Our team can help you with custom orders and ensure you receive exactly what you need.

Why Choose Us

  • Complete Product Range: We offer a comprehensive selection of titanium and other non-ferrous metal products, including customized solutions.
  • Full-Process Production: From raw material sourcing to final product delivery, we control every step of the manufacturing process.
  • Global Sales and Agency: Our products are trusted worldwide in over 20 countries, including the USA, Germany, and India.
  • Fast Delivery: We pride ourselves on quick turnaround times and reliable delivery schedules.
  • Good Reputation: With over a decade of experience, Baoji Haiyue is a recognized leader in the titanium industry.
  • Customized Products: We cater to your specific needs, offering tailored solutions that meet your exact requirements.

Development History

 
2010


Company founded in Baoji, "Titanium Valley," specializing in titanium and non-ferrous metals.

 
2012

Expanded product range to include zirconium, tantalum, nickel, tungsten, and molybdenum products.

 
2014

Achieved ISO9001:2015 certification, ensuring high-quality production standards.

 
2016

Upgraded manufacturing facilities, adding VAR furnaces, CNC machinery, and advanced heat treatment systems.

 
2018

Expanded global presence, establishing partnerships in the United States, Germany, and South Korea.

 
2020

Obtained AS9100D certification for aerospace industry compliance and advanced product quality.

 
2022

Introduced customized solutions for the aerospace, medical, and energy industries, enhancing global reach.

 
2024

Celebrated 14 years of excellence with over 2,000 tons of annual titanium production capacity.

 

Product Quality Management

Appearance and size inspection
Appearance and size inspection
Tensile test
Tensile test
Bending test
Bending test
Chemical composition analysis
Chemical composition analysis
Electrochemical performance test
Electrochemical performance test
Ultrasonic test
Ultrasonic test
Eddy current test
Eddy current test
Thickness test
Thickness test

Production and Processing

Titanium sponge raw materials
Titanium sponge raw materials
Titanium sponge processing and smelting
Titanium sponge processing and smelting
Titanium ingot forging
Titanium ingot forging
Machining
Machining
Manual grinding and polishing
Manual grinding and polishing
Manual testing
Manual testing

Workshop and Equipment

Workshop and equipment
Workshop and equipment
 
Workshop and equipment
 
Workshop and equipment
Workshop and equipment
Workshop and equipment
 
Workshop and equipment
 
Workshop and equipment
 
Workshop and equipment
 
Workshop and equipment
 

Packaging

Packaging
 
Packaging
 
Packaging
 
Packaging

Main Products

Titanium Anode
Titanium Anode
sinrer-metal-powder-filters
Sinrer-metal-powder-filters
Titanium Rod
 
Titanium Rod
Titanium Plate
Titanium Plate
Titanium Elbow
Titanium Elbow
TItanium Screw
Titanium Screw

Applied Industries

Be used in a wide range of industries.

 

Electrolytic copper foil manufacturing industry

Electrolytic copper foil manufacturing industry

Hydrometallurgy industry

Hydrometallurgy industry

Sewage treatment industry

Sewage treatment industry

Cyclone electrolysis industry

Cyclone electrolysis industry

Etching liquid electrolysis recovery industry

Etching liquid electrolysis recovery industry

Electrolytic sodium hypochlorite industry

Electrolytic sodium hypochlorite industry

OEM Services

We provide OEM services for customers who require custom designs, sizes, or specifications for their projects. Whether you need bolts with unique threading, special coatings, or tailored dimensions, we can fulfill your needs.


Frequently Asked Questions (FAQs)

1. What industries use the M8 DIN7991 Gr5 Titanium Countersunk Head Bolt?

The bolt is used in industries like aerospace, medical devices, chemical processing, energy, and marine engineering, among others.

2. Can I get custom sizes or lengths for this bolt?

Yes, we offer customizable lengths and threading options to fit your specific needs.

3. Is the bolt corrosion-resistant?

Absolutely. The Grade 5 Titanium (Ti-6Al-4V) used in the bolt provides excellent resistance to corrosion, even in harsh environments.

4. What certifications do the bolts meet?

Our bolts are certified to meet ASTM, ISO, AMS, and other international standards for quality and performance.


Contact Details

For inquiries or to place an order, contact us at:

Get in touch today for a quote or more information on how we can support your next project!


Let Baoji Haiyue New Metal Materials Co., Ltd. be your trusted partner in providing top-quality, high-performance fasteners for all your needs!

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