SUPERBOLT® Jamnut Tensioners

Heavy Range

Technical Data material: alloy steel temperatures: –10 to +250 °C max. values valid for permanent bolting applications, incl. reaction forces  Data sheet	General Description SUPERBOLT® Jamnut Tensioners of the SJ series are used for applications where the available room is restricted. They replace standard nuts and do not require more space than same. They offer the advantages of multi jackbolt tensioners: simple tightening and loosening, and high safety against loss of pre-tension.
	Applications: Hydraulic cylinders, shaft mounts, piston connections, etc.	Available upon request: inch threads (UN and Whit) D > M160 other sizes and specials anti-corrosion protection special materials captive mounted jackbolts
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.