1. Titanium nyloc nuts made out of Gr. 2, Gr.5 and other grades. 2. Titanium also made it much lighter ... the alloy ones. Titanium nyloc nuts.1.Grade 1, 2, 5, 12 and other grades are available2.UNC, UNF, Metric and ... racing, bicycle, motorcycle, chemical, marine, medical and other industries.5. We also have experienced engineer to do the check upon ship out ...