Home / Products / Fasteners / Bolt hex cap

Custom Stainless Steel Hexagon Bolts

Committed to the production of carbon steel and stainless steel fasteners, stamping parts and non-standard custom parts.


Founded in 2003, Haiyan Yuanda Metal Products Co., Ltd. is a China Stainless Steel Hexagon Bolts Manufacturers and Wholesale Stainless Steel Bolt Hex Cap Suppliers dedicated to the production of carbon steel and stainless steel fasteners, stamping parts and non-standard custom parts. The annual production capacity can exceed 5,000 tons, strong technical force, complete production equipment, reliable product quality, good mechanical performance, widely used in construction, machinery, auto parts, breeding and other industries.

  • Customized Service
    Customized Service

    We mainly make customized products, we develop and produce products according to the drawings or samples provided by customers.

  • Quality Guarantee
    Quality Guarantee

    Quality Guarantee Quality Guarantee Yuanda after more than 20 years of technology accumulation and precipitation for the industry to improve performance cost reduction contributed to the strength of many years of market.

  • Production Capacity
    Production Capacity

    We have complete production equipment, with an annual output of more than 5,000 tons, which can meet the needs of customers with different purchase volumes.


The News & Blog From Us

  • The Rising Star of Manufa...

    In the tide of modern industrial production, efficiency and quality are the two core driving forces for the sustainable development of enterprises. As a leader in the field of industrial manufacturing...

    Read More+
  • The Versatility of Galvan...

    In the ever-changing wave of industrial development, Zinc-plated square nuts continue to shine in the field of fastening with their unique charm and excellent performance. This nut not only leads the ...

    Read More+
  • Revolutionizing Fastening...

    In the vast history of construction engineering, every technological leap has profoundly affected the construction methods and efficiency. Today, self-drilling anchor bolts and their built-in high-spe...

    Read More+
  • Crafting Excellence: High...

    In the field of mechanical transmission, the performance and quality of the coupling as a key component connecting two or more shaft systems are directly related to the stability and reliability of th...

    Read More+
  • Innovation and Advancemen...

    With the advancement of science and technology and the rapid development of industry, the production process of carbon steel hexagonal nuts is undergoing a profound change and innovation. In this chan...

    Read More+

Industry Knowledge Extension

What types of threads are available for Stainless Steel Bolt Hex Cap?

Unified National Thread (UNC): This is the standard thread type for most applications in the United States. UNC threads are coarse threads with a 60-degree thread angle and a flat crest. They are often used in general-purpose fastening.
Unified National Fine Thread (UNF): UNF threads are finer threads than UNC threads. They also have a 60-degree thread angle but have a rounded crest. UNF bolts are used when higher thread engagement and strength are required.
Metric Thread: Metric threads are used in many parts of the world, especially in countries that use the metric system. These threads have a 60-degree thread angle and come in various pitches (the distance between two adjacent threads). Common metric thread pitches for stainless steel bolts include coarse (e.g., M8x1.25) and fine (e.g., M10x1.0).
British Standard Whitworth Thread (BSW): While less common these days, BSW threads were historically used in the United Kingdom and some other regions. They have a 55-degree thread angle and are characterized by their rounded crests.
British Standard Fine Thread (BSF): BSF threads are finer threads than BSW threads. Like BSW, they have a 55-degree thread angle but with rounded crests. They are used in applications where higher strength and finer thread engagement are required.

How do you determine the right size of Stainless Steel Hexagon Bolt for a project?

Determine Bolt Diameter:
The diameter of the bolt is an important factor that affects its strength and load-bearing capacity. The larger the diameter, the greater the load it can handle. Use engineering standards and guidelines or consult with an engineer to determine the appropriate bolt diameter based on the load requirements of your project.
Calculate Thread Pitch:
The thread pitch refers to the distance between adjacent threads on the bolt. It is important to match the thread pitch of the bolt with the mating thread on the nut or the hole being threaded. Using the wrong thread pitch can lead to improper threading and reduced bolt performance. Refer to standard thread pitch charts or guidelines for the specific thread pitch needed for your application.
Select Bolt Length:
The length of the bolt is crucial to ensure that it provides sufficient engagement with the nut or threaded hole. The bolt should extend beyond the nut or threaded hole by an appropriate amount to ensure proper threading and clamping force. Consider the thickness of the materials being fastened and any washers or spacers used in the assembly.
Consider Head Type:
Different projects might require different head types for bolts, such as hexagon heads, socket heads, or countersunk heads. The head type affects the tool required for installation and the appearance of the final assembly.
Corrosion Resistance:
Since you are considering stainless steel hexagon bolts, corrosion resistance is an important consideration. Stainless steel comes in various grades, and the grade you choose depends on the environmental conditions the bolt will be exposed to. For outdoor or corrosive environments, opt for stainless steel grades with higher corrosion resistance.
Consult Relevant Standards and Guidelines:
There are industry standards and guidelines (e.g., ANSI, ISO, DIN) that provide recommendations for bolt sizes based on different applications and load requirements. These standards offer valuable information on bolt dimensions, materials, and performance characteristics.
Consult with Engineers or Experts:
If you're uncertain about the right bolt size for your project, it's always a good idea to consult with experienced engineers or experts in the field. They can provide valuable insights and recommendations based on their expertise.