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Brown'sCorners Locksmith Pros
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High security

High Security Locks

For homes, high security usually means a graded deadbolt, a patented cylinder and long screws into the frame. For businesses it adds laboratory-rated cylinders, heavy lock bodies and a key register. Both start with a conversation about what the door protects.

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Hands holding a round metal component against the exposed mechanism inside an open safe door. — Safe Opening & Combination Change, Markham
Safe Opening & Combination Change
Closed small safe beside a metal plate and packaged fasteners on a workshop bench. — Safe Installation & Servicing, Markham
Safe Installation & Servicing
Disassembled brass and steel lock cylinder parts laid on a gray metal surface with small brass pins, springs and tweezers.
High Security Locks

Which one do I need?

High Security Locks

Cylinders and deadbolts built to resist picking, bumping and drilling, keys that cannot be copied without authorisation, and safes opened or installed.

Technician in a cap working a screwdriver at a steel lock plate on a navy door, with an open tool bag behind.

Safe Opening & Combination Change

Reading the safe before touching it

Every safe carries clues about what is inside its lock. A manufacturer's data plate, usually on the door or inside the frame, often names the brand, model and sometimes the lock's own security rating. The dial style, the keypad's shape and buttons, and whether a key cylinder sits alongside the combination lock all narrow down the lock family before a single tool is used.

Older safes without a legible plate are identified from the case shape, the handle style and the dial ring instead. Getting this identification right decides which manipulation technique, which reset procedure or which manufacturer tool applies, and it is the difference between a clean opening and a guess.

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