SUPERBOLT® Column Tensioners

M110-M250

Technical Data
  • material: alloy steel
  • temperatures:
    –10 to +250 °C
  • max. bolt stress:
    approx. 80 to 270 N/mm2; depending on size
  • max. values valid for permanent bolting applications, incl. reaction forces

 Data sheet
General Descriptions

SUPERBOLT® Column Tensioners of the GR2 series present an interesting alternative to the Tensioners of the MT series of the sizes M110 and larger. They are mainly used on applications which have a lower pre–tension level. The necessary tightening torques are comparably low.
Applications:

press columns, fondation bolts, piston connections, etc.

Available upon request:

  • inch threads (UN and Whit)
  • D > M250
  • other sizes and specials
  • anti-corrosion protection
  • special materials
SUPERBOLT® products are protected by one or several patents (US patents: RE 33490; 4,846,614; 5,083,889; 6,199,453; 6,381,827; 6,112,396; 6,263,764) and corresponding foreign patents, other patents pending. SUPERBOLT® products are also covered by trademark rights.