Grade C Top Lock Nuts: A perforated block of steel possessing an internal or female thread intended for use on an external or male thread such as a bolt. It also possesses a slight disfigured top which keeps pressure on the inserted bolt to give greater resistance to loosening. We stock Grade C lock nuts in coarse and fine thread.
All Grade C Lock nuts are 100% satisfaction guaranteed.
Please see our selection of grade c top lock nuts below: