Company Overview:
- Headquarters: Madison Heights, Michigan
- Global locations: South America, Europe, Asia
- Industries served: aerospace, defense, automotive, truck, diesel engines, medical, oil, gas & power generation, farm & construction, HVAC, HAM and others
What is Spiralock®?
It’s a unique, proprietary, preload locking internal (female) thread form featuring a 30-degree wedge ramp at the root of the thread which locks the bolt securely into place. Spiralock thread form is unidirectional and mates with standard 60-degree male thread fasteners. Spiralock effectively solves fastening problems for its customers worldwide, increasing product reliability, simplifying assembly and reducing costs and warranty claims. Spiralock products feature a variety of fasteners, cutting tools and gages, along with engineering, logistics and support services.
Attributes of Spiralock thread form:
- Exceptional resistance to the effects of vibration loosening
- Substantial reduction of fatigue failure in comparison to the standard, symmetrical thread form
- Elimination of secondary locking devices (lock washers, adhesives, crimping, inserts, etc.)
- Reusability
- Free spinning
- More even, radial load distribution
- Self-centering
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