Welcome to Rainer Security Products

Welcome to Rainer Security Products Ltd

The UK Leader in interchangeable core master key systems, shipping internationally. Since 1988 Rainer Security Products has specialised in the supply of the interchangeable core / master key systems and associated locking products. Interchangeable Cores give an authorised user the ability to make lock changes in just 10 seconds! All whilst maintaining the integrity of their masterkey system. UK Oval, Euro-Profile, Rim and Scandinavian conversion cylinders, together with a full range of padlocks, custom made cylindrical and mortice locks plus our range of digital locks, and access control, which are available to accept all manufacturers 6 & 7 pin small format interchangeable cores. Both Restricted and Patented key systems can be specified when using Arrow Interchangeable cores.

Our interchangeable cores are compatible with Best Locks and other American Lock Manufacturers’ conversion cylinders. Please contact us with your specific requirements and we will be able to provide a cost effect solution.

Latest News

Covid-19 Update
| 03.07

We are pleased to announce that Rainer Security has now returned to a fully operational status, whilst maintaining social distancing measures. We would like to take this opportunity to wish all of our customers well, and to assure you that... Read more...

Covid-19 Update
| 28.03

Due to the current Government recommendations our office is closed until further notice with the majority of our staff working from home. We will respond to your email as promptly as possible and all orders received will be processed and... Read more...