DIN 7991 m8 titanium bolts

Thread Size: M8 × 1.25mm pitch
Material: Grade 5 titanium alloy
Length Range: 10–100mm
Head Type: Hex, socket, countersunk
Finish: Colored or natural polished
Standard: DIN 7991
Weight: Approx. 3.5g per piece
Application: Motorcycle, bike, marine
Product Description

DIN 7991 M8 Titanium Bolts: High-Performance Fasteners for Demanding Applications

Welcome to Baoji Huacan New Metal Technology Co., Ltd., your trusted manufacturer and supplier of premium  DIN 7991 M8 titanium bolts. Our state-of-the-art facility in Baoji City, Shaanxi Province - China's renowned "Titanium Valley" - specializes in producing high-performance titanium and titanium alloy products. With our advanced manufacturing capabilities and strict quality control, we deliver products that meet the most stringent industry standards.

Product Introduction

The products are high-strength, corrosion-resistant fasteners designed for critical applications where weight reduction and superior performance are essential. These bolts combine the strength of steel with the lightweight properties of titanium, making them ideal for aerospace, medical, automotive, and marine industries. Our products offer exceptional durability, biocompatibility, and resistance to extreme temperatures and harsh environments.

Technical Specifications

  • Material: Grade 5 (Ti-6Al-4V) titanium alloy
  • Thread Size: M8 (8mm diameter)
  • Length Range: 10mm to 100mm
  • Head Style: Socket Countersunk
  • Drive Type: Hex, Torx, Phillips
  • Tensile Strength: 1000-1100 MPa
  • Yield Strength: 910-950 MPa
  • Hardness: 33-37 HRC
  • Density: 4.43 g/cm³
  • Melting Point: 1604-1660°C (2920-3020°F)
  • Corrosion Resistance: Excellent in most environments

Technical Specifications

Tip -2 2.5 3 3.5 4 4.5 5 -5.5 6 -7 -8
ds max=nominal size   2 2.5 3 3.5 4 4.5 5 5.5 6 7 8
min   1.6 2.1 2.6 3.02 3.52 4.02 4.52 5.02 5.52 6.42 7.42
dk max   4.18 5.08 5.98 6.95 7.95 8.75 9.65 10.75 11.55 13.05 15.05
min   3.42 4.32 5.22 6.05 7.05 7.85 8.75 9.65 10.45 11.95 13.95
k max   1.2 1.5 1.65 1.93 2.2 2.35 2.5 2.75 3 3.5 4
Socket No.   0 1 1 2 2 2 2 3 3 3 4
M1   - 2.7 2.9 3.9 4.4 4.6 4.8 6.2 6.6 6.8 8.7
M2   - 2.8 3 4 4.2 4.4 5 6.1 6.3 7 8.5
Penetration depth Type H min - 1.25 1.5 1.4 1.9 2.1 2.29 2.31 2.8 2.95 3.9
max - 1.55 1.8 1.9 2.4 2.6 2.79 2.81 3.3 3.53 4.4
Type Z min - 1.48 1.76 1.6 1.85 2.05 2.64 2.46 2.72 3.38 3.86
max - 1.73 2.01 2.06 2.31 2.51 3.1 2.92 3.18 3.84 4.32

 

product-1-1
DIN 7991 M8 titanium bolt
product-1-1
DIN 7991 M8 titanium bolt
product-1-1
DIN 7991 M8 titanium bolt
 
40+

high-precision CNC machines

 
10+

years of titanium machining experience

 
1000+

tons of annual production capacity

 
100+

international client collaborations

Product Features and Advantages

  • Exceptional strength-to-weight ratio, 45% lighter than steel
  • Superior corrosion resistance, even in saltwater environments
  • Excellent fatigue resistance and high temperature performance
  • Non-magnetic and low thermal conductivity
  • Biocompatible and hypoallergenic, ideal for medical applications
  • Resistant to stress corrosion cracking
  • Low modulus of elasticity for improved flexibility
 

Applications

  • Our products are widely used in various high-demand industries:
  • Aerospace: Aircraft structural components, engine mounts, and spacecraft assemblies
  • Medical: Surgical instruments, implants, and prosthetic devices
  • Automotive: High-performance engine parts, suspension systems, and racing applications
  • Marine: Boat fittings, underwater equipment, and offshore structures
  • Chemical Processing: Reactors, heat exchangers, and corrosive fluid handling systems
  • Sports Equipment: Bicycles, golf clubs, and professional racing gear

Be used in a wide range of industries

Aerospace

Aerospace

Medical

Medical

Automotive

Automotive

Chemical

Chemical 

Oil & Gas

Oil & Gas

Sports & Leisure

Sports & Leisure

 

Our Factory

 
Factory Exterior
Factory Exterior
CNC Machining
CNC Machining
CNC Machining
CNC Machining
CNC machines
CNC machines
CNC machines
CNC machines
ISO certification
ISO certification

Manufacturing Process

  • At Baoji Huacan, we employ advanced manufacturing techniques to ensure the highest quality DIN 7991 M8 titanium bolts:
  • Raw Material Selection: We source premium grade titanium alloy from trusted suppliers.
  • Forging: Precision hot forging to achieve optimal mechanical properties.
  • CNC Machining: High-precision CNC lathes and machining centers for accurate threading and dimensioning.
  • Heat Treatment: Controlled heating and cooling processes to enhance strength and durability.
  • Surface Treatment: Optional anodizing or coating for improved aesthetics and corrosion resistance.
  • Quality Inspection: Rigorous testing and inspection at every stage of production.
Raw material preparation
Raw material preparation
Forging
Forging
Heat treatment
Heat treatment
Machining
Machining
Surface treatment
Surface treatment
Inspection and packaging
Inspection and packaging

Quality Assurance and Certification

  • We maintain strict quality control measures to ensure our products meet or exceed industry standards:
  • ISO 9001:2015 certified quality management system
  • Compliance with ASTM F136, AMS 4928, and DIN 3.7165 standards
  • 100% lot traceability and material certifications
  • In-house testing facilities for mechanical properties and chemical composition
  • Regular third-party inspections and audits
Spectrometer
Spectrometer
Ultrasonic Flaw Detector
Ultrasonic Flaw Detector
Coordinate Measuring Machine
Coordinate Measuring Machine
Hardness Tester
Hardness Tester
Tensile Testing Machin
Tensile Testing Machine
Surface Roughness Tester
Surface Roughness Tester
Microscope and Metallographic Analyzer
Microscope and Metallographic Analyzer
Calipers
Calipers

FAQ

 

Q: What is the minimum order quantity for products?

A: Our standard MOQ is 100 pieces, but we can accommodate smaller quantities for specialized orders.

Q: Can you provide material certifications and test reports?

A: Yes, we provide comprehensive material certifications and test reports with every order.

Q: What is the lead time for products?

A:Standard lead time is 2-3 weeks, but we offer expedited production for urgent requirements.

Q: Are your products suitable for medical implants?

A: Yes, our titanium bolts can be manufactured to meet biocompatibility standards for medical applications.

Packaging and Logistics

  • Our products are carefully packaged to ensure safe transportation:
  • Individual protective wrapping to prevent scratching
  • Moisture-proof and vacuum-sealed bags for long-term storage
  • Sturdy cartons with cushioning materials for shock protection
  • Custom packaging options available for OEM customers
  • Flexible shipping options: air freight, sea freight, or express delivery

Custom

designed foam inserts for delicate components

01

Vacuum

sealed bags with desiccants for moisture protection

02

Wooden Crate Packaging

Sturdy wooden crates for bulk shipments

03

 

Labeling & Documentation

Detailed labeling and documentation for easy tracking

04

Packaging

Packaging

Packaging

Packaging

Packaging

Packaging

Packaging

Packaging

Contact Us

Ready to experience the superior quality of our DIN 7991 M8 titanium bolts? Contact our sales team today for quotes, samples, or technical support:

Email: Joy@hc-titanium.com or Sherry@hc-titanium.com
Tel & WhatsApp: +86 19991588029 or +86 18161773898

Trust Baoji Huacan New Metal Technology Co., Ltd. for all your M8 titanium bolt needs. Our commitment to quality, innovation, and customer satisfaction ensures you receive the best fastening solutions for your demanding applications.

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