Lock Nuts Of Metal

Lock Nuts Of Metal

Lock nuts of metal, also known as prevailing torque nuts or stiff nuts, are a type of fastener that is designed to resist loosening under vibration or shock. These nuts are commonly used in applications where there is a risk of the nut coming loose due to external forces acting on the joint. Lock nuts of metal are made from a variety of materials, including steel, stainless steel, and brass, and are available in a range of sizes and thread types. The design of lock nuts of metal is what gives them their unique properties. These nuts have a special thread profile that creates a frictional force between the nut and the bolt or screw. This frictional force helps to prevent the nut from rotating and coming loose, even when subjected to significant vibration or shock. In addition, lock nuts of metal often have a deformed section or a nylon insert that further increases the frictional force and helps to maintain the tightness of the joint. Lock nuts of metal are used in a wide range of applications, including automotive, aerospace, and industrial machinery. They are commonly used in critical joints where safety and reliability are of utmost importance. In addition, lock nuts of metal are often used in applications where the joint is inaccessible or difficult to inspect, as they provide an additional level of security against loosening. In order to ensure that lock nuts of metal are effective in preventing loosening, it is important to use the correct torque when tightening them. Over-tightening can cause the nut to deform or strip the threads, while under-tightening can result in the nut coming loose. It is also important to use lock nuts of metal that are appropriate for the specific application, as different types of lock nuts may be more effective in different situations.

fastener, vibration, frictional force, safety, torque

— Jonathan Lewis

CITATION : "Jonathan Lewis. 'Lock Nuts Of Metal.' Design+Encyclopedia. https://design-encyclopedia.com/define/lock-nuts-of-metal?E=324835 (Accessed on October 14, 2026)"