Choose these nuts for their adherence to strict military standards for material and construction.

Made from Grade 5 steel, these inch-sized nuts are suitable for most fastening applications.

Also kown as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts to distribute load over a large area.

Made from Grade 5 steel, these inch-sized locknuts are suitable for fastening most machinery and equipment.

When installed, the steel insert grips the threads and lifts away from the nut body, isolating the insert from the nut’s load to resist spinoff caused by vibration.

About two-thirds the height of standard steel-insert locknuts, use these locknuts in low-clearance applications or jam one against a hex nut to hold it in place.

These locknuts have an irregularly shaped thread at the top of the nut that grips the bolt for a stronger hold than nylon-insert locknuts.

These flange locknuts have serrations that grip the material surface instead of the threads for easy installation and mild vibration resistance.

These Grade 5 cap nuts are suitable for fastening most machinery and equipment.

These Grade 5 square nuts are suitable for fastening most machinery and equipment.