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High Security Custom Master Key Systems

High Security Custom Master Key Systems

With Police-Approved Secured By Design approval and a patent protected profile, this is a highly recommended solution for master-key systems.  If you're looking to build a master key system for external use, or internal use where high security is required, these are the cylinders you need to be looking at for your master key system. A great advantage of these is the patent-protected key profile stopping users from getting ANY keys copied without your prior approval!Police Preferred Secured By Design

Popular Security Cylinders

Locksonline EPS Key Security Euro Cylinders

Locksonline EPS Key Security Euro Cylinders

Not all cylinders are made equal and when it comes to the principle security of your home, having a ..

Prices From: £41.44 + VAT



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Locksonline EPS Key and Turn Euro Cylinders

Locksonline EPS Key and Turn Euro Cylinders

LocksOnline EPS the EN1303 Graded Security CylinderThe Locksonline EPS Cylinders are incredibly vers..

Prices From: £47.46 + VAT



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Locksonline EPS Rim Cylinders

Locksonline EPS Rim Cylinders

Our range of High security EPS rim cylinders provide an almost unmatched level of security and can b..

Prices From: £39.67 + VAT



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Additional & Specialist Security Cylinders

Locksonline EPS Single Euro Cylinders

Locksonline EPS Single Euro Cylinders

The Locksonline EPS Cylinders are incredibly versatile and high security, and with it's patented key..

Prices From: £32.56 + VAT



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Locksonline EPS Key Security Euro Cylinders with Anti-Lockout

Locksonline EPS Key Security Euro Cylinders with Anti-Lockout

To prevent key-holders being locked out by keys being left in the inside of door, you need anti-lock..

Prices From: £59.31 + VAT



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Locksonline EPS Key and Turn "Classroom" Euro Cylinders

Locksonline EPS Key and Turn "Classroom" Euro Cylinders

Classroom cylinders allow for emergency escape from the inside but don't allow you to lock them from..

Prices From: £65.15 + VAT



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LocksOnline EPS Thumbturn Only Euro Cylinder

LocksOnline EPS Thumbturn Only Euro Cylinder

The thumbturn-only cylinder is a unique offering of a fully custom length euro cylinder, in the styl..

Prices From: £45.96 + VAT



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LocksOnline EPS Rear-Fixed Euro Cylinder for Panic Hardware

LocksOnline EPS Rear-Fixed Euro Cylinder for Panic Hardware

This specialist euro cylinder is designed for use with outside access devices used in conjunction wi..

Prices From: £46.22 + VAT



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LocksOnline EPS "Blind" Key Operated Euro Cylinder (Blank One Side)

LocksOnline EPS "Blind" Key Operated Euro Cylinder (Blank One Side)

Sometimes you want to have key operation on one side side of your door, and nothing on the other sid..

Prices From: £51.39 + VAT



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LocksOnline EPS "Blind" Turn Operated Euro Cylinder (Blank One Side)

LocksOnline EPS "Blind" Turn Operated Euro Cylinder (Blank One Side)

These cylinders require no keys at all.  On one side, you have a thumbturn which allows you to ..

Prices From: £60.76 + VAT



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Locksonline EPS Key Security Oval Cylinders

Locksonline EPS Key Security Oval Cylinders

The Locksonline EPS Cylinders are incredibly versatile and high security, and with it's patented key..

Prices From: £45.08 + VAT



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Locksonline EPS Key and Turn Oval Cylinders

Locksonline EPS Key and Turn Oval Cylinders

The Locksonline EPS Cylinders are incredibly versatile and high security, and with it's patented key..

Prices From: £46.74 + VAT



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Locksonline EPS Single Oval Cylinders

Locksonline EPS Single Oval Cylinders

The Locksonline EPS Cylinders are incredibly versatile and high security, and with it's patented key..

Prices From: £33.98 + VAT



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LocksOnline EPS "Contract" Double Euro Cylinder

LocksOnline EPS "Contract" Double Euro Cylinder

Our EPS Contract euro cylinders are designed for internal doors, where you want to have your interna..

Prices From: £35.18 + VAT



LocksOnline EPS "Contract" Key & Thumbturn Euro Cylinder

LocksOnline EPS "Contract" Key & Thumbturn Euro Cylinder

These Contract Key & Turn cylinders are designed for your internal doors on a master key system,..

Prices From: £37.55 + VAT



LocksOnline EPS "Contract" Single / Half Euro Cylinder

LocksOnline EPS "Contract" Single / Half Euro Cylinder

Our EPS Contract half / single cylinders allow us to offer you a lower-cost solution for your intern..

Prices From: £29.16 + VAT



Locksonline EPS High Security Scandinavian Oval Cylinders

Locksonline EPS High Security Scandinavian Oval Cylinders

Our Scandinavian Oval Cylinders come in internal and external sections and are available master keye..

Prices From: £41.85 + VAT



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Locksonline EPS Screw-In Threaded Rim Cylinders

Locksonline EPS Screw-In Threaded Rim Cylinders

If you have a rim type cylinder which has a threaded body and is screwed into location, this means y..

Prices From: £55.09 + VAT



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Locksonline EPS High Security Cylinder Camlocks

Locksonline EPS High Security Cylinder Camlocks

Our High Security camlocks are available master keyed, keyed-alike and keyed to differ.  Caml..

Prices From: £43.70 + VAT



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Locksonline Evva EPS High Security Keys and Master Keys

Locksonline Evva EPS High Security Keys and Master Keys

Already have a locksonline EPS cylinder and want keys? No problem simply add the number of keys yo..

Prices From: £7.50 + VAT



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Coloured Key Caps for EVVA EPS Keys

Coloured Key Caps for EVVA EPS Keys

These brightly and stylish coloured key-caps have been specifically made to fit the square-headed EV..

Prices From: £1.15 + VAT



Abus 80mm CEN-6 Hardened Steel Closed Shackle Padlock

Abus 80mm CEN-6 Hardened Steel Closed Shackle Padlock

For high-end security padlocks, we bring you what I like to call 'The Beast'. This is the closed-sha..

Prices From: £173.36 + VAT



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Abus 80mm Hardened Steel Open Shackle Padlock

Abus 80mm Hardened Steel Open Shackle Padlock

This is the top-end open-shackle Abus padlock, constructed with a tough hardened steel alloy body an..

Prices From: £131.98 + VAT



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Abus Marine Weatherproof Stainless Steel Open-Shackle Padlock

Abus Marine Weatherproof Stainless Steel Open-Shackle Padlock

This is Abus' marine weather-proof padlock, which does exactly what it says on the tin! With a stai..

Prices From: £68.81 + VAT



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Abus Special Steel Alloy Open Shackle Padlock

Abus Special Steel Alloy Open Shackle Padlock

With a hardened special steel alloy shackle and ball-bearing locking mechanism, coupled with the des..

Prices From: £55.28 + VAT



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Abus Aluminium Alloy Padlock with Hardened Steel Shackle

Abus Aluminium Alloy Padlock with Hardened Steel Shackle

These special aluminium alloy lightweight padlocks from Abus are a unique concept in that they provi..

Prices From: £50.80 + VAT



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Abus Hardened Steel Shackle Brass Body Padlock

Abus Hardened Steel Shackle Brass Body Padlock

This padlock has a solid brass body with a tough hardened steel shackle. It is supplied with a pate..

Prices From: £34.20 + VAT



EVVA High Security EPS Padlocks

EVVA High Security EPS Padlocks

The Locksonline EPS padlocks are incredibly versatile and high security, and with it's patented ..

Prices From: £42.29 + VAT



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Some of Our Customers..

The LocksOnline Team


Darrel

Head of the tech team, and locksmith of 25+ years


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Specialises in Ironmongery & Door Furnishing


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Deals with Sales on the .co.uk website


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Deals with Sales on the .com website


Ann

Ensures day-to-day logistics run smoothly


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Keeps our workshop running smoothly


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Our web developer and content manager

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