Aerospace : Fastening Systems : ASP® Fastener and E-M™ stud

ASP® Fastener and E-M™ stud

Alcoa Fastening Systems has over 50 years of engineering, manufacturing and R&D experience to continually create variations of existing styles of fasteners and related components, as well as to address emerging needs for custom or special parts. In this regard, Alcoa Fastening Systems can provide concurrent design services, computer generated 3D solid models, and finite element analysis to help develop the exact solution to specific customer requirements. A wide range of materials are utilized including, aluminum, alloy steels, corrosion-resistant steels, titanium, Inconel®, Waspaloy®, and super alloys. Products can be made in either unified or metric sizes.

The E-M™ stud is an electrical grounding stud that was developed in response to customer requests for an improved method of installing grounding terminals. The result is a timesaving fastener that is easily installed in a loose tolerance drilled hole, from one side of the work.

The Asp® fastening system provides a simplified method of fastening composite, honeycomb, metallic, or other materials that are sensitive to fastener clamp-up or installation force conditions. Clamping force can be infinitely adjustable within maximum recommended torque limits and no further load is applied during installation. The Asp® fastener has a positive mechanical lock for use in vibration and FOD critical installations. It installs quickly and easily, thus eliminating the need for potting, bushings, inserts, or stepped hole preparation.

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ASP® Fasteners


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E-M™ stud




Contact Information
Americas & Asia/Pacific
Customer Support
Alcoa Fastening Systems Aerospace
800.992.4444
805-527-0900

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Technical Support
Alcoa Fastening Systems Aerospace
310.784.6409
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Europe Customer / Technical Support
Alcoa Fastening Systems Aerospace
+49 8251 8757-0
+49 8251 1652

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