L9 Fastening Systemthreadadmin
The L9 Fastening System from BBI has 9 engineering features that make it the worlds strongest and safest fastening system for the world’s toughest industry.
- Collared L9 prevailing torque meta locknut for assemblies subject to vibration.
- Thicker than standard nut side walls facilitate wrenching. Heat treating helps prevent splitting and stripping.
- Chamfers eliminate corner drag.
- Smooth washer bearing surfaces distribute loads uniformly and eliminate brinneling.
- UNR radiused root bolt thread increases fatigue resistance by reducing the notch effect of conventional UN threads.
- Countersunk washer ID centers the washer against the bolt head bearing surface during tightening.
- Radius under bolt head adds strength.
- Washer face eliminates corner drag.
- Thicker than standard bolt head adds wrenching surface.