These metric nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion.

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

These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They’re Grade 5 steel, so you can used these inch-sized nuts for most fastening applications.

These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion.

Titanium locknuts have a high strength-to-weight ratio and are resistant to acids and salt water.

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.

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.

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.

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

About half the strength of medium-strength steel square nuts, use these metric nuts in light duty fastening applications, such as securing access panels.