SHEAR-TYPE™ SYSTEM

• Guard-Nut® SHEAR-TYPE™ fasteners insure precise torque control, and no-fault quality assurance. This cuts inspection time and insures specified clamp loads.
  
  
• Unique Double Hex design with proprietary HEX-GUARD™, the plastic insert that permits torquing of drive head only. The Double Hex feature permits easy removal and re-use as a conventional fastener after drive head has been sheared off. (Also available in single hex design without HEX-GUARD™ for more permanent, economical installations.
  
  
• Guard-Nut's specially engineered 360 degree prevailing torque locking thread design enables accurate and repeatable locking torque. All torque limiting fasteners available with left hand threads.
  
  
• All Guard-Nut® SHEAR-TYPE™ fasteners are available in screw and bolt type configuration.

FEATURES

SERIES 78 , 79, 80

• SHEAR-TYPE™ Multi-Purpose Fastener—Vibration resistance and torque control—all in one fastener.
• Available in nut , screw or bolt configuration
• Superior proprietary metal to metal locking system ( Series 78 nut )
• Permits optimum clamp load and vibration resistance without galling ( nut )
• Breakaway head
• Various head designs
• Available plastic security seal collar
• Optional Loctite® or similar locking additives on threads
• HEX-GUARD™ wrench stop ( with double hex-nut )
• All certified controls are built into the fastener during the manufacturing procedure
• Ideal for critical joints and field service where no fault is essential

GNI fastening and sealing designs are protected by various U.S. & Foreign patents. 
Guard-Nut, Shear-Type, Hex Guard, Button seal, Torque Limiter are registered U.S. trademarks.