Hands fitting a dark metal door knob onto a white door with a screwdriver, a tool belt at the waist. — Selkirk

High security · Selkirk

High Security Locks

Open 24/7

The restricted keys you bought years ago are no longer restricted; the locksmith mentioned the patent has run out and blanks are sold openly. Your key control quietly stopped being control.

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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?Selkirk

The call: The restricted keys you bought years ago are no longer restricted; the locksmith mentioned the patent has run out and blanks are sold openly. Your key control quietly stopped being control.

NextHow the visit goes

High Security Locks · Selkirk

How the visit goes

Technician fitting a steel door knob into a door beside a deadbolt, with an open tool bag of screwdrivers nearby. — Selkirk

Scene 1
The fit of new hardware to old doors
Older houses in this region have doors that predate modern hardware: narrower stiles, a mortise pocket already cut, a thick slab door or a steel-clad door with a specific backset. The locksmith measures the bore, backset, door thickness and edge preparation so the chosen deadbolt or cylinder fits without hacking at the door. Where a mortise lock is present, a high-security mortise cylinder often replaces the old one directly. Where a knob lock is the only lock, the assessment includes where a new deadbolt bore would sit and whether the frame can take a proper strike.
Scene 2
Retiring the old keys and closing gaps
Part of the visit is making the old keys meaningless. Once the new cylinders are in, every previous key is tried to confirm it no longer operates anything, and any remaining door on the old keyway is either upgraded or at least rekeyed so an unknown copy has nowhere to go. The locksmith also closes small gaps found during the assessment: replacing hinge screws with long ones, adjusting a closer, adding a cylinder guard, or moving a thumb-turn away from glass. The door leaves the visit as one coherent assembly rather than one strong part among weak ones.
Scene 3
A known number of keys
The most noticeable change is not in the door but in your head. You know exactly how many keys exist, who holds each one and that nobody can add to that number without your authorisation. The system is registered in your name with the locksmith, so a request for an extra key comes back to you rather than being filled at a counter somewhere. Keep the authorisation card or login details somewhere safe and separate from the keys. When a key is lost, tell the locksmith; the record is updated and you can decide together whether that key's loss warrants any further step.

In the van

Code key cutting machine
Key control authorisation card
Pinning kit and plug follower
Commercial mortise lock body
Graded deadbolt with hardened bolt

What shapes the quoteJarvis Lock & Key Specialists

Cylinder rating and format: A patented residential cylinder, a laboratory-rated commercial cylinder and an interchangeable core sit at different points on the scale, and the format that fits your present hardware decides which lines are available.
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.
Strike and frame reinforcement: A reinforced strike with long screws is modest work on a healthy frame. Deepening the pocket, filling split wood, fitting a jamb plate or a wrap-around reinforcer adds materials and time.

FeesSame any hour

Have it ready

Before you call · 0 / 3

How many exterior doors do you want included?
Is there a window or sidelight within reach of the lock?
Does the door drag, stick in cold weather or need lifting to lock?

(365) 651-9607

Asked and answered

Do high security locks need special maintenance?

Only light care. Use the dry lubricant the locksmith recommends once or twice a year, never oil, which gathers grit around the finger pins and sidebar. Keep the keyway free of debris and insert the key fully before turning. In winter, warm a resisting key in your hand or use a de-icer rather than forcing it. Check hinge and strike screws each season so the door stays aligned. Treated this way the cylinder lasts for decades.

Can all my doors be on one key?

Yes, and most homes ask for exactly that. Every exterior cylinder is pinned to the same combination so one controlled key opens the front, back, side and garage entry. A gate or shed padlock on the same keyway can join it. For businesses, the same keyway can carry a small master system where staff keys open only their areas and a manager key opens everything. The keying plan is agreed before any pinning is done.

How do I order extra keys later?

An authorised person contacts the locksmith who holds your system, quotes the system reference, and the key is cut from code and numbered into the register. Some systems use a physical authorisation card, others an online validation, and business systems often require a signature that matches one on file. The key is collected or delivered, and the record shows the new total. It is deliberately not something a stranger with your key can do.