The rugged Hi-Stress Fastener is made of heavy gauge material and is designed for use on fire-thread-series screws. The modified Speed Nut impression provides vibration resistance and constant torque on the screw thread assuring a lock-on grip at any point on the screw even after many removals. It is light in weight and has a lower installation torque than most multiple-threaded, prevailing torque fasteners. Thread galling is eliminated and more rapid insertion of bolts and screws is possible.
Types are available for either welding or riveting and screw sizes range from 8-32 to ¼-20.
How to apply Hi-Stress Fasteners:
Before final assembly, Hi-Stress-Type Fasteners are spot-welded or riveted in screw-receiving position. Mating panels are aligned and screw driven. Resiliency in the modified Speed Nut impression allows slight misalignment and absorbs tolerance build-up where several fasteners are required on a single unit.
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