AMI is a reliable source and manufacturer of fasteners for the aerospace industry. We work with some of the most renowned OEM Aerospace and Defense contractors, ensuring we deliver products to fulfill their critical needs.

One of the products we produce is fasteners from the NAS6403-NAS6420 series, which are in continuous production due to their high demand. The turnaround time for these is short, and we can prepare your orders without delays.


These are bolts with hex heads and made with close tolerance for use in aerospace/defense applications. They are available in many sizes and specifications to meet the application requirements; as well as in self-locking and nonlocking with a reduced thread diameter.

Our specialized fasteners can be made from high-grade alloys such as:

  • Alloy steel
  • Titanium
  • Nickel alloys
  • Stainless steel
  • Superalloys
  • Other specialty metals

Our NAS6403-NAS6420 is made from titanium alloy. Some of the benefits of titanium include:

  • High strength-to-weight ratio 
  • Corrosion resistance 
  • Excellent thermal stability 
  • Low electrical and thermal conductivity
  • Non-magnetic properties 

Experience Unrivaled Quality from AMI

If you want high-quality NAS6403-NAS6420 fasteners, choose AMI due to the outcomes we strive to deliver. We’re consistent, so global brand leaders rely on us to supply the parts and components required to ensure their project’s success.

Here’s how we do it:

  • Following a Quality Control Program
  • Maintain in-house traceability records for simplified lot identification
  • Adheres to industry guidelines as part of process control
  • Religiously following inspection, testing, and calibration procedures
  • Period self-audits for quality

Choose AMI to Fulfill Your Fastener Needs

If you’re looking for superior quality fasteners, such as the NAS6403-NAS6420, look no further than Aerospace Manufacturing, Inc. Our team of engineers will work with you to ensure you receive outcomes that are second to none. If you have any questions, contact us or get a quick quote. We’ll find a solution that will solve your project’s dilemma.

If you need assistance or have any questions, contact us right away. We’re always happy to help.

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