Cap nuts are used to cover exposed threaded stud, rod and bolt ends with a dome-like cap. This provides safety and a finished look to the exposed threaded end. The wide diameter of the cap acts as a spanner washer distributing the holding power of the fastener over a wide area around the stud. Cap nuts have six point contact (available for most stud diameters) on the shaft circumference assuring maximum holding power and resistance to loosening by vibration. Within the styled aluminum cap is a tempered spring steel or optional stainless steel insert which grips the shaft or stud. The single O.D. design allows the fastest possible assembly with minimum part handling and stock inventory. Cotter pins and washers and threading and drilling operations are eliminated.

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