Person leaning over a blue bench machine in a small shop with keys, padlocks and door hardware displayed on blue walls. — Perkinsfield

High security · Perkinsfield

High Security Locks in Perkinsfield

After the attempted break-in the police officer pointed at your door and said the strike plate was held by two short screws. Nobody got in, but you have looked at that door differently every evening since.

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High Security Locks

In plain words

Think of the upgrade as four layers working together. The cylinder resists picking, bumping and drilling. The deadbolt resists sawing and kicking with a long, hardened bolt. The strike and screws keep the frame from splitting when the door is struck. And the key control stops copies being made without your say-so. A locksmith assesses your door for each layer and tells you where it is weak, because a strong cylinder screwed into a soft frame gains you little. Most homes end up with a graded deadbolt and a patented cylinder; businesses often step up to laboratory-rated cylinders and heavier lock bodies.

Sound familiar?

You have lost count of how many people have had a key to your house over the years: cleaners, a contractor, a former partner, the previous owner's family. The lock still works, but you no longer know who else it works for.

How the visit goes

Perkinsfield

How the visit goes

Reading the cylinder you have now
The existing cylinder tells the locksmith a great deal. A standard pin tumbler with an open keyway can be picked, bumped and duplicated by anyone with the blank. Worn pins let a key that is not quite right jiggle it open. A cylinder that spins loosely in its housing or shows a scratched face has been attacked or simply worn out. The locksmith identifies the format, whether key-in-knob, rim, mortise or interchangeable core, because that determines which high-security cylinders will drop into your present hardware and which will need a new lock body altogether.
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.
Fewer keys, clearer purpose
Many customers finish the visit carrying fewer keys than they started with. Exterior doors keyed alike mean one key for the house; a small master system means a manager carries one key for the whole premises. Each key has a known job. The locksmith explains which key opens which door and leaves that in writing, so the tenth person to ask does not get a shrug. Should you add a door later, a gate, a garage entry or a new office, it can join the same system so you keep the single-key convenience without opening a fresh keyway.

High Security Locks

In the van

Wrap-around door reinforcer
Pinning kit and plug follower
Commercial mortise lock body
High-security cylinder
Code key cutting machine

What affects the quote

Same fees day, night or weekend

1Mortise and older doors
An existing mortise pocket, a thick slab door or an unusual backset can mean a specific cylinder or an adapted preparation, which takes longer than a standard bore.
2Hinge 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.
3Cylinder 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.

What to have ready

0 of 3 ready

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?
Does the door drag, stick in cold weather or need lifting to lock?

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High Security Locks: questions

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.

What happens when the patent on my keys runs out?

The mechanical resistance of the cylinder does not change, but blanks may become openly available, so copy control weakens. Manufacturers issue new patented keyways as older ones expire, and the usual answer is to move to the next generation by changing cylinders and keys while keeping the lock bodies. Your locksmith notes the patent term at handover so the date is on the calendar rather than a surprise years later.

Can a hardware store or kiosk copy my new key?

No. The blank for a patented keyway is distributed only through the manufacturer's network to locksmiths who hold the system, and the side milling or angled cuts need a machine set up for that line. A kiosk would have neither the blank nor the cut. Extra keys come through your locksmith, cut from code, once an authorised person has approved the order. That routine is a small inconvenience compared with never knowing who has a copy.