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

Rainer Security meets SALTO Systems
| 28.06.

After nearly thirty-five years in operation, with the majority focus on mechanical suited systems; we begin looking to the future, and what that might entail for Rainer Security Products, over the next 10 years. With an extensive client list of... Read more...

Current Events at Rainer Security Products Ltd
| 20.04.

There is some sort of virus going around over the last year… We’re not sure what it is – you may or may not have heard of it; Covid-19? Not heard of it? Don’t worry. It’s not been overly publicised. ... Read more...