RS PRO, Plain Steel Lock Nut, M40

Introducing RS PRO lock nuts, a range of high quality and robust nuts ideal for securing components such as bearings on to cylindrical shafts and to assist with mounting and dismounting of bearing adapter sleeves. RS PRO nut locks are the perfect solution for securing bearing installations and help to simplify bearing arrangement and installation in a wide range of applications. The high quality design ensures a reliable fixing, with equally spaced grooves to accommodate a hook or impact spanner to achieve the required torque. When used with RS PRO bearing sleeve adapters and washers, a secure and reliable fit is achieved whilst helping to enhance overall performance.

Lock nuts are used in a wide range of applications that require the use of bearings to operate smoothly and effectively. The lock nut helps to ensure bearing components remain securely fitted and operational, helping to enhance performance and reliability. They are perfect for use with bearing adapter sleeves and washers for enhanced security and are commonly used in areas such as:

• Engineering


• Automotive


• Agriculture


• HVAC

Due to the simple yet robust design, RS PRO lock nuts can be installed quickly and easily by hand, making them highly cost effective. They also feature equally spaced grooves on the outside to accommodate a hook or impact spanner, allowing for further torque to be achieved.

RS PRO is our own brand of high-quality products whilst bringing you great value for money. Our wide range of products have been engineered to meet high industry standards, so you are ensured reliable and robust solutions.