At Defa International Inc., we leverage over three decades of experience in the CNC machining industry to deliver high-precision custom fasteners tailored for the automotive and mechanical sectors. Renowned for our commitment to quality and precision, we are a trusted global partner for durable and reliable fastening solutions.

Why Choose Defa International?

Precision & Durability: Our custom fasteners are manufactured using advanced CNC turning, milling, and lathe techniques, ensuring each component meets the highest standards of precision and durability.

Versatile Solutions: We offer a comprehensive range of fasteners, including nuts, bolts, screws, washers, and specialty fasteners, designed to meet various performance needs in automotive and mechanical applications.

Material Excellence: Our fasteners are crafted from high-quality materials like iron, aluminum alloy, copper, and high-tensile vinyl, offering superior strength, corrosion resistance, and cost-effectiveness.

Specialized Fasteners for Automotive and Mechanical Industries

Fasteners are crucial in automotive manufacturing, ensuring the secure assembly and optimal functionality of critical components. Our fasteners are engineered with tight tolerances and robust joining mechanisms, making them ideal for applications such as suspension systems, engine components, and more.

• Metal Fasteners:
  • Materials: Iron, aluminum alloy, copper
  • Applications: Heavy-duty automotive parts like engine components and suspension systems
  • Surface Finishes: Galvanization and anodizing for enhanced rust protection and durability
• Plastic Fasteners:
  • Materials: High-tensile vinyl
  • Applications: Ideal for one-time use or replaceable parts such as connectors, spacers, and washers
  • Benefits: Cost-effective, non-conductive, and rust-resistant

Industry-Leading Expertise

• Customization: We provide fully customized CNC machining solutions to meet your unique requirements, from design to final production.
• Quality Assurance: Our stringent quality control processes ensure that each fastener meets the highest industry standards, offering you peace of mind in your applications.
• State-of-the-Art Facilities: Equipped with cutting-edge CNC lathes, including Swiss-type and turret-type machines, our facilities ensure efficient and accurate production.

Applications:

• Auto-Bikes: Custom fasteners designed for enhanced performance and safety.
• Automotive: Precision fasteners engineered to meet the stringent demands of the automotive industry.
• Bikes: Durable and lightweight fasteners suitable for all types of bikes, from mountain to road bikes.

Key Features and Benefits:

         Ø 20mm                                          

         Ø 42mm

• Tolerance                                                                             

         0.02mm

         0.05mm

• Maximum machining diameter：
• Round bars: Ø2.0mm ~ Ø42.0mm
• Hexagon bars: Hex 2.0mm ~ Hex 32.0mm
• Processing length：

          Maximum processing length: 600mm  

          If the diameter of which exceeds Ø13.0mm, then the processing length up to 100mm or depending on the product.

• Machining accuracy：

          Swiss Type CNC Lathe 0.01 mm/ Automatic lathes 0.05 mm

• Processing number ：

         Production: Set a minimum amount of a single product 1,000 pcs / batch  

        Sample: Production sample quantity 2 pcs

Why Choose Our CNC-Machined automotive Parts?

Detection Instruments:

                                 Profilometer                                                                                                Image Size Measuring instrument 

                         Roughness Measurement                                                                        Surface Roughness Tester

                                                 Enlarger                                                                                       5D measuring Instrument

Comprehensive Service

• Flexible Shipping: Choose from express, air, sea, or other shipment methods to suit your needs.
• Direct Delivery: We can ship directly to your specified address or designated freight company.
• Expertise & Experience: With over 30 years of professional experience, our skilled team ensures the highest level of quality control and precision in every project.

Partner with Defa International Inc. for your custom fastener needs and experience the difference that precision engineering and dedicated service can make. Visit our website for more details and to explore our extensive range of products.de.fa@msa.hinet.net