M6 DIN 7991 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

M6 DIN 7991 Countersunk Head Bolt Product Page

Product Introduction

The M6 DIN 7991 Countersunk Head Bolt is a high-performance fastener designed to offer secure, reliable connections in a variety of industries. Featuring a unique countersunk head, this bolt allows for flush mounting, making it ideal for applications where a smooth surface is essential. It is commonly used in industries such as aerospace, automotive, medical, and manufacturing, where strength, precision, and durability are paramount.

Made from premium materials, the M6 DIN 7991 Countersunk Head Bolt is engineered to meet the highest quality standards, providing customers with a product that offers superior performance and reliability.

Technical Specifications

Here are the detailed technical specifications for the M6 DIN 7991 Countersunk Head Bolt, including material standards and performance values.

Technical Specifications Table (General)

Specification Value
Bolt Diameter (M) 6 mm
Thread Pitch 1.0 mm
Head Style Countersunk, flat, flush fitting
Material Titanium, Stainless Steel, Alloy Steel
Finish Zinc Plated, Black Oxide, Passivated
Strength Grade 8.8, 10.9, 12.9 (depending on material)
Standard DIN 7991
Length Customizable from 10 mm to 100 mm
Thread Length 10 mm, customizable
Tensile Strength 800 MPa (Grade 8.8), 1000 MPa (Grade 10.9)
Yield Strength 640 MPa (Grade 8.8), 900 MPa (Grade 10.9)

Key Global Production Grades and Standards Table

Region Grade/Standard Material Specifications
United States ASTM A574, ASTM A307 Stainless Steel, Alloy Steel
Russia GOST 7798-70, GOST 4233-77 Steel, Alloy Steel
Japan JIS B 1180, JIS B 1181 High Carbon Steel, Stainless Steel

Product Features (Key Features)

  • Countersunk Head: The M6 DIN 7991 features a countersunk head, ensuring a smooth, flush surface for streamlined assembly.
  • High Strength: Available in grades 8.8, 10.9, and 12.9, these bolts offer high tensile and yield strength for demanding applications.
  • Material Versatility: Suitable for use with various materials including titanium, stainless steel, and alloy steel, providing robust performance across diverse environments.
  • Corrosion Resistance: With finishes such as zinc plating, black oxide, and passivation, these bolts are resistant to corrosion and wear, making them ideal for harsh environments.
  • Customizable Lengths: Tailored to fit your specific requirements, from compact sizes to longer lengths, ensuring versatility for different projects.

Applications

The M6 DIN 7991 Countersunk Head Bolt is widely used across several industries, including:

  • Aerospace and Aviation: Fastening components in aircraft and spacecraft where weight reduction and strength are critical.
  • Medical Devices and Healthcare: Used in surgical instruments, implants, and prosthetics where biocompatibility and durability are key.
  • Chemical Processing: Ideal for securing reactors, storage tanks, and other chemical processing equipment in harsh environments.
  • Energy Sector: Used in nuclear power plants, wind turbines, and solar energy applications for their high strength and durability.
  • Marine Engineering: Excellent for offshore structures and shipbuilding, providing corrosion resistance against saltwater.
  • Industrial Manufacturing: Applied in the production of machinery, tools, and fasteners, ensuring long-lasting performance in industrial settings.

Manufacturing Process

The M6 DIN 7991 Countersunk Head Bolts are produced using advanced manufacturing processes to ensure precise quality control and high performance:

  1. Material Selection: Only the finest raw materials, such as titanium and high-grade steels, are selected.
  2. Forming and Shaping: The bolts are shaped using cold heading and threading machines to ensure consistency and precision.
  3. Heat Treatment: Each bolt undergoes heat treatment to enhance mechanical properties such as strength and durability.
  4. Surface Finishing: The bolts are coated with anti-corrosion finishes like zinc plating and black oxide to ensure they stand up to tough environments.
  5. Quality Control: Every batch is rigorously tested for dimensional accuracy, strength, and finish quality, adhering to international standards.

Quality Assurance

At Baoji Haiyue, quality is a top priority. The M6 DIN 7991 Countersunk Head Bolts undergo stringent testing to ensure they meet or exceed industry standards:

  • Dimensional Checks: Ensuring precise bolt size and thread specifications.
  • Material Testing: All materials are inspected and tested to confirm they meet the required strength and durability standards.
  • Corrosion Resistance Testing: Bolts are subjected to salt spray tests to evaluate their resistance to corrosion.
  • Mechanical Testing: Tensile and yield strength tests are conducted to ensure the bolts can withstand demanding applications.

Packaging and Logistics

Baoji Haiyue ensures that the M6 DIN 7991 Countersunk Head Bolts are carefully packaged and delivered with the utmost care. Our packaging options include:

  • Standard Packaging: Bulk-packed in sturdy boxes or pallets for large orders.
  • Custom Packaging: Tailored packaging options available for smaller orders or special shipping requirements.
  • Global Logistics: With a robust distribution network, we offer reliable shipping to over 20 countries, ensuring timely delivery.

Customer Support

Our dedicated customer support team is here to assist you with any inquiries or concerns. Whether you need product recommendations, technical advice, or assistance with an order, we are always here to help.

  • Pre-Sales Support: Get expert advice on product selection and customization options.
  • After-Sales Support: Timely assistance for product issues or returns, backed by our customer-first approach.

Why Choose Us?

  • Complete Product Range: We offer a wide variety of fasteners, including M6 DIN 7991 Countersunk Head Bolts in different materials, grades, and finishes.
  • Full-Process Production: From raw material selection to finished products, we control every step of production to guarantee quality.
  • Global Reach: With clients across North America, Europe, and Asia, we are equipped to fulfill your global orders.
  • Customized Solutions: Need a specific size or finish? We provide tailored solutions to meet your unique needs.
  • Fast Delivery: Our efficient production and logistics processes ensure quick turnaround times, no matter your location.
  • Reliability: We are committed to delivering top-quality products with a focus on customer satisfaction.

OEM Services

Baoji Haiyue offers OEM services to create customized M6 DIN 7991 Countersunk Head Bolts that meet your specific needs. Whether it's a unique material, size, or finish, we are happy to provide a solution tailored to your specifications.

Frequently Asked Questions (FAQs)

1. What materials are the M6 DIN 7991 Countersunk Head Bolts made from?
The bolts are available in various materials including titanium, stainless steel, and alloy steel, offering versatility for different applications.

2. Can I get customized lengths for my bolts?
Yes, we offer customizable lengths ranging from 10 mm to 100 mm or longer based on your requirements.

3. What industries use the M6 DIN 7991 Countersunk Head Bolt?
These bolts are used in aerospace, automotive, medical, energy, chemical, and marine industries.

4. How are the bolts tested for quality?
We conduct rigorous tests including tensile strength, yield strength, dimensional accuracy, and corrosion resistance to ensure top-notch quality.

Contact Details

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