Screw Lock Insert

We are offering screw lock insert. Screw-lock-inserts :- apart from having all the above merits these inserts posses a polygonal central coil which exerts a prevailing and resilient torque on the bolt preventing the boltscrew from loosening under vibrations and impacts. The boltscrew can be fitted and removed several times without any considerable loss of torque. Screw-lock inserts when fitted into nuts provide what is probably the best kind of self-locking nuts, known as nuts.