Railway fasteners shaft bolt

The principle and installation of rivets


Ring groove rivet is different from traditional bolt use fastening force produced by the rotation of the torsion, rivets

use hooke's law principle, through the special equipment for pull riveting gun, under the action of unidirectional tensile, tensile bolt rod and push the thimble, internal smooth thimble extrusion to the thimble and bolt screw groove form the combination of 100%, produce permanent fastening force, the fastening process need only 5 to 8 seconds.
http://www.cnrsdtld.com/
Railway fasteners shaft bolt