With the rapid development of industrial technology, standard fasteners can no longer meet the demands of certain specialized applications. Non-standard precision fasteners, with their customized characteristics and high-precision performance, are widely used in multiple high-demand fields. This article will provide a detailed introduction to the main types of non-standard precision fasteners and their applications in various industries.

1. Main Types of Non-Standard Precision Fasteners

      1.1 Bolts

1. • Common Types: Hex bolts, socket bolts, double-ended bolts, flange bolts, etc.
   • Materials: Carbon steel, stainless steel, titanium alloys, high-temperature alloys.
   • Features: High strength, corrosion resistance, and high-temperature resistance, suitable for high-stress, heavy-load environments.

      1.2 Nuts

1. • Common Types: Hex nuts, flange nuts, locknuts, wing nuts.
   • Application: Used in combination with bolts, widely applied in mechanical parts requiring reliable connections.

      1.3 Screws

1. • Common Types: Countersunk screws, pan head screws, self-tapping screws.
   • Customization: Head shape, thread length, and thread angle can be designed according to customer requirements.
   • Features: Suitable for the assembly of fine components in precision equipment.

     1.4 Washers

1. • Common Types: Flat washers, spring washers, conical washers.
   • Function: Used to distribute load, prevent loosening, and protect fasteners and connected components.

     1.5 Pins

1. • Common Types: Cylindrical pins, taper pins, cotter pins.
   • Application: Used as mechanical locating or shear force transmission components.

     1.6 Other Special Components

1. • Includes: Rivets, clamps, non-standard inserts, etc.
   • Features: Manufactured based on customer drawings or specific requirements to meet specialized application needs.

2. Applications of Non-Standard Precision Fasteners

      2.1 Automotive Industry

1. • Requirements: High-strength, corrosion-resistant non-standard fasteners used for engine components, chassis connections, and body assembly.
   • Typical Applications:
     • Bolts for high-temperature engine parts.
     • Battery pack fastening for electric vehicles.

      2.2 Aerospace

1. • Requirements: Lightweight, high-strength, and extreme-temperature resistant fasteners.
   • Typical Applications:
     • Airframe connection parts.
     • High-temperature alloy bolts for turbine engines.

      2.3 Electronics

1. • Requirements: Miniaturized, high-precision fasteners for assembly in confined spaces.
   • Typical Applications:
     • Internal components of smartphones and laptops.
     • Precision screws for sensors.

      2.4 Medical Equipment

1. • Requirements: Non-toxic, high corrosion resistance, and antibacterial properties.
   • Typical Applications:
     • Precision parts for surgical instruments.
     • High-precision screws in medical device assemblies.

      2.5 Energy Industry

1. • Requirements: High-pressure, corrosion-resistant special fasteners.
   • Typical Applications:
     • Connection parts for offshore wind turbines.
     • High-strength bolts for oil drilling equipment.

      2.6 Industrial Equipment Manufacturing

1. • Requirements: Large-sized, high-strength fasteners for heavy machinery.
   • Typical Applications:
     • Heavy-duty machinery components.
     • Pressure vessel and industrial pipeline connections.

      2.7 Rail Transport

1. • Requirements: High safety and long-lasting fasteners.
   • Typical Applications:
     • High-speed train chassis structural components.
     • Special bolts for rail track fastenings.

3. Conclusion

Non-standard precision fasteners play an indispensable role in modern industry. With a wide variety of types and diverse performance, they meet the specialized needs of various industries. By collaborating with professional suppliers, customers can obtain tailor-made, high-quality fasteners that enhance the performance and reliability of their products.