Technician holding a steel deadbolt to the round bore in a white door, with an open tool bag on a dark mat. — Islington

High security · Islington

High Security Locks

Open 24/7

The pharmacy stockroom, the server closet or the cash office is protected by the same ordinary cylinder as the staff washroom. One lost key on a lanyard would open all of them.

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In plain words

High security locks are cylinders and deadbolts designed to defeat the methods used against ordinary doors. Inside the cylinder a second locking mechanism, usually a sidebar released by finger pins or rotating pins, has to be satisfied at the same time as the normal pin stack, which is what stops picking and bumping. Hardened steel inserts stop drill bits. The bolt is thicker and carries a hardened pin against sawing, and a reinforced strike ties the lock into the wall framing. Just as important, the key is cut on a patented blank that only an authorised person can have copied, so your key count stays known.

Sound familiar?Islington

The call: You run a home office with client files and equipment, and your insurer has asked what kind of lock is on the door. The honest answer is the builder's knob lock and a light deadbolt from when the house was new.

NextHow the visit goes

High Security Locks · Islington

How the visit goes

Hands using a yellow-handled screwdriver at a steel deadbolt plate on a dark door, with a steel knob below. — Islington

Scene 1
Who holds keys and who should
For a business or a rental, the locksmith asks to see the key list, or helps you start one. Which keys exist, who carries them, which doors they open, and what happens when someone leaves. This is where the case for a patented or restricted key system becomes clear, because the system replaces guesswork with a register: every key numbered, every order authorised by a named person, and no blanks available outside the locksmith who manages it. The locksmith also asks how many people need to reach each area so the keying plan reflects the way the building actually runs.
Scene 2
Testing the whole assembly
The finish is a methodical test. Every key is cycled in every lock from both sides, with the door open and then closed and latched. The bolt is watched entering the strike pocket to confirm it throws fully and does not drag. The door is pushed and pulled while locked to feel for play at the strike or hinges. Cylinders receive a dry lubricant approved for their mechanism. Then the locksmith walks you through the operation, the key control documents and the record of hardware fitted, so you know both how to use the door and how to order the next key.
Scene 3
Ordering keys the right way
Extra keys are now a small procedure rather than an errand. An authorised person contacts the locksmith, the request is checked against the system record, and the key is cut from code so it works as cleanly as the first. New keys are numbered and added to the register. Businesses often issue keys against a signature and collect them when someone leaves, which the register makes simple. Homeowners typically keep two or three spare keys and hold onto the authorisation card. A key cut from a worn copy would not release the sidebar properly, which is one more reason the code route is the only route.

In the van

Code key cutting machine
Box strike
Commercial mortise lock body
Wrap-around door reinforcer
Patented key blanks

What shapes the quoteBloordale Gardens Lock & Key Co.

Exit devices and closers on the same door: Where a commercial door carries a push bar or closer, the new lock must work with them, and adjusting or replacing that hardware is part of the same visit.
Hinge and door edge work: Long hinge screws, a hinge-side security stud or repair to a chewed door edge are small items that add up on a door that has been forced before.
Documentation and registration: Setting up the key register, recording signatories and providing a written schedule of cylinders and keys is real work on a business system and is listed rather than hidden.

FeesSame any hour

Have it ready

Before you call · 0 / 3

Which locks are on the door now: knob only, knob and deadbolt, a mortise lock or a lever?
Would you like all doors on one key, or different keys for different areas?
How many exterior doors do you want included?

(289) 804-4797

Questions people ask us

How long does the installation take?

A cylinder swap with new keys on one door is a short visit. A new deadbolt, reinforced strike and frame repair takes longer, and several doors keyed to a plan take longer again, mostly in bench time pinning cylinders. The locksmith gives you a realistic estimate once the doors have been looked at, because the frame condition and the door preparation matter more than the count of locks alone.

Do I need to replace my whole deadbolt or just the cylinder?

It depends on what you have. If the deadbolt is a good heavy unit that throws a full inch into a proper strike, a high security cylinder can replace the ordinary one and the rest stays. If the deadbolt is light, worn or throws a short bolt, a new graded deadbolt with a hardened bolt is the sensible base and the high security cylinder goes into that. The assessment tells you which, door by door.

What proof do I need to show before locks are changed?

The locksmith confirms that the person ordering the work is entitled to change the locks: the owner, a tenant with the landlord's agreement, or a property or facilities manager for a business. Photo identification and something linking you to the address usually settle it, and for a company a letter or a call to the named contact does the same. It protects you as much as anyone, since the same check stops someone else from changing your locks.