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Difference Between Jam Nut And Hex Nut

Difference Between Jam Nut And Hex Nut. The jam nut is a thin nut, normally used under a full nut to develop locking action. The two styles available for a jam nut are hex and heavy hex patterns.

Bolting Specialist
Bolting Specialist from boltingspecialist.com

The jam nut essentially acts as the “other object”, as the two nuts are tightened against each other. The biggest difference between these two is sizing. Jam nuts are a hexagonal nut featuring a much thinner profile as compared to a standard hex nut.

Most Common Type Of Nut Found Today Is A Hexagonal Nut.


They can also be used to secure an item on a fastener without applying force to that object. How do hex nuts work? Are lock nuts and stop nuts the same?

The Two Styles Available For A Jam Nut Are Hex And Heavy Hex Patterns.


The outside diameter (od) of the pipe or hex bolt determines the threads per inch. Metric hex nut dimensions calculator Designed for rear panel mounting only.

What Is A Jam Nut?


This nut is typically tightened to between 25% to 50% of the overall tightening torque. The nuts are hollow circular cylinders with circular cross section. All dimensions are given in millimeters.

The Reason Behind Using Hexagonal Nuts Is That It Offers More Granularity.


Jam nuts are a hexagonal nut featuring a much thinner profile as compared to a standard hex nut. The main differences between a jam nut and a regular hex nut is that they are tightened against each other instead of against a material, and that they are about half of the size of a regular nut. For most companies, just the spelling.

Heavy Hexagon Nuts Specified Proof Load Number Of Threads Per Inch (25.4 Mm.) Nominal Size B C H Up To 150,000 Psi 150,000 Psi And Greater Runout Of Bearing Face, Fir Max.


Jam nut receptacles decrease the number of environmentally susceptible openings in an enclosure. The bolts have external threads. The term jam nut can also refer to any nut that is used in the same function (even a standard nut used for the jamming purpose).

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