There is a Hex Collar Nut produced by precision machining a collar into a standard nut body. This collar becomes the receiver for the nut deflection that creates the locking feature. The Hex nuts are proven to have the most consistent and residual torque of all similar type products in the market. Hexagonal nut is a metal fastener with six sides. Most nuts are cut into hexagons, because hexagons seem to be the easiest shape to grasp. Hex Collar Nut is made available by us for use in the various industrial and commercial applications as per the need.