The stress-optimized design of ITH Roundnuts RMS and RMZ achieves higher bolt pre-tensioning forces (up to 40% more) than with comparable DIN hexagon nuts which is confirmed by scientific studies. The design is certified by German Lloyds. ITH RMS / RMZ are built to work with ITH Bolt Tensioning Cylinders from the range of M24 to M100 (7/8” to 4”). The ITH Roundnuts are produced in:
Even customized applications are possible. Both versions are also available in a flat version “ITH RMS / RMZ slim line”.
ITH Round nuts can achieve up to 40% higher preloads
Certified design
