Extreme conditions? Vibration intensive environment? No problem with the C50L HuckBolt from Alcoa Fastening Systems. It's been proven that C50L meets, or exceeds the performance of torqued bolts in both shear and tensile strength, as well as fatigue life. Call 1-800-388-4825 or visit http://www.afshuck.net/us/en/Products... for more information.