Bolt Tensioner

Single acting, load return type and possible to manufacture spring return type. Spring return type provides the more rapid and easier work process and extends life time. When fastening bolts with nuts, it prevents incomplete clamping and finishes the work in a short time with accuracy. Gasket's transformation is uniform without bending and excellent in flange maintenance. It shortens the time for maintenance of plant facility.
This product is used when a bolt pops out as 1.5 times as a nut size. (the length a bolt passes a nut)

• 4 standard models
  
• Single-acting, (spring/road-return)
  
• Bolt range : M12~M33
  
• Used for punching a hole on flat iron, angle, panel, H beam, I-beam in bridge box, construction, steel frame, power transmission, steel tower construction.