Permanence When You Need It; Removability When You Want It

The Goldilocks™ unique biomimetic design offers an entirely new class of fastener for your high-strength application.

This deceptively simple technology harnesses the power of one-way friction through mutually interacting ratchets in the nut and the bolt. Its integrated rack-and-pawl system allows the nut to be pushed onto the bolt and prevents it from being pulled off , thereby providing high clamping force for critical parts under load. Because its threads are annular rather than helical, vibration can turn the parts but never screw them loose.

The system is further preloaded by mutually opposing spring tensioners built into both the head and the nut. This makes the system extremely tight when fastened and keeps it tight despite cyclic loading.

The United States Patent and Trademark Office awarded its first utility patent on 11/15/2022 and its second patent on 1/09/2024. Additional patents are in the pipeline.

Goldilocks Fasteners

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Goldilocks Fasteners

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