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Standard Range

SUPERBOLT® Crosshead Jamnuts

Standard Range

General Description

SUPERBOLT® Crosshead Jamnuts of the CN series are safe and easy to install and to remove on compressor crossheads. The bolt circle is larger than on standard torquenuts to allow wrench clearance from the piston rod, the jackbolts are captive mounted.

Crosshead tensioning on piston engines like compressors, engines, etc.

Available upon request:

inch threads (UN and Whit)
D > M160
other sizes and specials
anti-corrosion protection
special materials
material certifications


 Technical data

Material alloy steel
Temperatures –10 to +250 °C  
nominal bolt stress approx. 200N/mm2