Rainer Security Products

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.