Eglin Lock & Key Co

The Problem Ordinary Keys Cannot Solve

A standard residential or commercial key runs on an open keyway. Blanks are sold by the box, cutting machines sit in supermarkets and hardware aisles, and self-service kiosks will duplicate a key while you shop. Marking a key DO NOT DUPLICATE achieves nothing legally or practically — it is a request, not a control, and the machine cannot read it.

That means for any door on an open keyway, the honest answer to 'how many keys exist' is 'nobody knows'. Every contractor, former employee, previous tenant and their friends could hold one. Rekeying resets that count to a known number, but only until the next copy is made — and the next copy can be made in ten minutes for the price of lunch.

Restricted keyways fix the mechanism rather than the symptom. The blank is a controlled item that a manufacturer will only supply to an authorised dealer for a registered system, and on patented systems the geometry itself is legally protected, so cutting an unauthorised copy is not simply discouraged — the blank is not obtainable at all through ordinary channels.

What Makes a Cylinder High Security

The phrase gets attached to a lot of hardware that has none of the features. There are three distinct properties, and a genuine high-security cylinder has all three.

Physical attack resistance

Hardened steel inserts in the plug and the shell resist drilling. A hardened roll pin behind the keyway protects the shear line. Anti-pull features and a reinforced cam resist the cylinder being wrenched out of the door. These matter because forced attacks are far more common than skilled ones — most people who defeat a lock in practice hit it with something.

Manipulation resistance

Security pins with spool or serrated profiles give false feedback under manipulation, so the lock resists picking rather than simply making it slower. Sidebars and secondary locking elements mean the pin stack alone does not release the plug, which is what defeats bumping outright. A lock without a secondary element is vulnerable to a technique that requires almost no skill, and that is the honest reason to upgrade an old cylinder.

Key control

The blank is protected, and duplication requires a documented authorisation held on file. This is the property that survives after the lock is fitted: the mechanical features protect against an attacker, and key control protects against everybody you have ever handed a key to.

Keying Systems, Explained Without Jargon

Keyed alike means several locks accept one key. Convenient for a household with three exterior doors, and it reduces the number of keys everyone carries. Keyed different means each lock has its own key, which is normal in a building with tenants who should not reach each other's space.

Master keying sits above both. A master key opens every cylinder in the system while each individual key opens only its own door. It works by adding a second shear point inside each cylinder, and this is where the design either holds together or falls apart: every extra level of masterkeying adds shear points, and a badly planned system can accidentally create key combinations that open doors nobody intended. A properly designed system is planned on paper before a single pin is set.

For most homes, master keying is unnecessary and a well-planned keyed-alike arrangement is the better answer. For a building with a manager, several tenants and shared plant rooms, it is exactly the right tool. We will tell you which of the two you actually need rather than selling the more elaborate one by default.

Running a Key Control Programme

The hardware is only half of it. The other half is a record, and a record is only useful if it is maintained. A working programme has a numbered key register listing every key cut, which door group it opens, who signed for it and when it was returned. Keys are issued against a signature. Returns are recorded. An audit happens on a fixed schedule rather than after an incident.

• Number every key and record who holds it
• Issue keys against a signature, and log the return the same way
• Keep the register somewhere other than the room the keys open
• Audit on a schedule — quarterly is enough for most businesses
• Rekey the affected group immediately when a key cannot be accounted for

The failure that undoes most programmes is the unreturned key that nobody chased. One missing key from a master-keyed system can compromise a whole building, which is why the register matters as much as the cylinder. A business that cannot say who holds key seventeen does not have key control, whatever hardware is on the doors.

Where High Security Is Worth the Money

Not every door needs it, and pretending otherwise is how people end up spending money without becoming safer. The doors that justify it are the ones where a key in the wrong hands would be expensive: a business front door, a stockroom, a server or plant room, a communal entrance to a building with several tenants, a landlord's master key, and the front door of a home that has had keys held by a series of contractors over the years.

The doors that usually do not are interior privacy doors, sheds, and anything protected by a hasp that would fail before the lock did. A high-security cylinder in a hollow door with a soft frame is money spent on the strongest part of a weak chain — the frame reinforcement should come first, every time.

There is also a middle path worth knowing about. Many good cylinders are available in the same standard formats as the hardware already on your door, which means the exterior appearance does not change, the existing lock body stays, and only the cylinder is upgraded. That keeps a matched hardware finish across a building while genuinely improving the doors that matter.

Coastal Wear on Precision Cylinders

High-security cylinders hold tighter tolerances than ordinary ones, which is exactly why salt and grit affect them more. A cylinder that has taken years of wind-driven spray develops resistance well before it fails, and the first sign is a key that needs a small wiggle to enter. Cleaning and lubricating with a proper dry lubricant restores it; household oil accelerates the problem by holding grit against the pins.

On exposed entries, a cylinder guard or an escutcheon that sheds water off the keyway extends life noticeably. So does simply having a key that is not worn — a worn key drags every pin across its chamber at a slightly wrong height, and on a precision cylinder that wear shows up years earlier than it would on a basic one.

Auditing a Building Before You Change Anything

A key control project starts with a survey, not a purchase order. The survey answers four questions per door, and until it is done, nobody can honestly quote a system.

• What lock format is on the door — cylinder type, size and function
• Who currently needs to reach this door, by role rather than by name
• What is behind it, and what a key in the wrong hands would cost
• How the frame and the door itself would perform if attacked

The fourth question keeps the project honest. It is common to survey a building and find that the doors with the most valuable contents are the ones with the weakest frames, and that the correct first spend is framing and strikes rather than cylinders. A survey that only ever recommends cylinders is a sales document.

Grouping by role, not by person

Design the keying around roles — cleaner, evening supervisor, delivery, owner — because people change and roles do not. When a person leaves, you revoke the role's key from that individual and reissue if necessary, rather than re-planning the system. This single decision is what makes a keying schedule survive staff turnover.

Transition without a shutdown

Moving a live building onto a restricted system does not have to happen in one night. Cylinders can be changed in groups, with a temporary arrangement that keeps existing keys working on the doors not yet converted, so nobody is locked out mid-transition. The order to work in is highest-consequence doors first, which is also the order that delivers most of the benefit earliest.

How We Work

We survey the doors, map who needs to reach what, design the keying on paper, and only then cut metal. You receive the keying schedule and the key register as documents you own, so the system is yours rather than something locked inside one supplier's filing cabinet.

We serve Eglin, Valparaiso, Niceville, Shalimar, Fort Walton Beach, Ocean City and Wright. We are a licensed and insured locksmith company operating in Florida. Duplication of a restricted key requires documented authorisation from the system owner, and we apply that rule to our own customers without exception — a control that bends for a friendly voice on the phone is not a control.