Jam Nuts

Hex jam nuts are thinner than a standard hex nut but have the same dimension across the flats and corners.

Jam nuts. The reason why the two nut system is effective in resisting self loosening is due to the way the threads are jammed together hence the term jam nut being frequently used for the thin nut. They can also be used to secure an item. Jam nuts are also known as thin hex nuts because their low profile are normally half the height of a standard nut.

We recommend tightening the jam nut against your work surface and then using a hex nut against it to lock it in place. Imports 34 and over in stock domestic available for. Made with fine-pitch threads vibration is less likely to loosen these metric nuts than those with coarse-pitch threads since the threads sit closer together.

Hex jam nuts have two common applications. Also called jam nuts they are roughly half the height of standard hex nuts so theyre good for applications with low clearance. The jam nut essentially acts as the other object as the two nuts are tightened against each other.

Its primary application lies in fastening the standard nut into place by being threaded onto a bolt and made to run tight against the parent nut. Order the supplies you need for your next job online below and have them shipped right to your door. Jam nuts are used as a second nut threaded over a bolt to prevent the first from loosening or in applications where there is not sufficient space for a standard nut.

American National Standard and Unified Standard Hex Nuts and Jam Nuts and Heavy Hex Nuts and Jam Nuts. Use with a screw or hex bolt to create a strong connection. Width Across Corners G.

A jam nut is also popular when working in a tight area such as an automobile. Jam nuts are slimmer versions of hex nuts. Hex Jam Nuts are available in steel with multiple finishes Grade 5 8 and in 18-8 stainless steel.