Spiralock Self-Locking Threaded Joints: Designed to Last a Lifetime

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Through its unique wedge design, Spiralock's proprietary self-locking internal thread form is exceptionally resistant to thread loosening and stripping caused by transverse vibration. Eliminating the need for secondary locking methods, Spiralock's self-locking fasteners provide reliable fastening solutions for numerous applications including implantable medical devices, surgical instruments, orthopedic tools, and diagnostic and other medical equipment. Jeff Jungmann, Emhart Teknologies - Spiralock Innovation Video Briefs