Why Keys Snap — and What Makes Broken Key Extraction Tricky
Keys are made from brass or nickel-silver alloys that fatigue over time. Repeated bending stress at the bow — the part you grip — weakens the metal gradually, so the break often happens without warning, frequently at the worst possible moment. Cold Ocean County winters accelerate this: a frozen lock mechanism puts extra torque on the blade, and an already-stressed key gives way. Keys copied from copies also tend to have slightly off dimensions that create binding pressure inside the keyway every time they turn, shortening their working life considerably.
What makes removal genuinely challenging is that the broken fragment sits inside the keyway under spring pressure from the lock's own pin stack. On a basic door knob lock, there may be just enough clearance to work a hook pick alongside the fragment. On a mortise lock — the type of lock commonly found in older Berkeley Township commercial storefronts along Route 9, as well as in many mid-century residential doors throughout the Township's Bayville section — the keyway is often narrow and the fragment can wedge tightly against the driver pins. Our technicians assess the lock type and fragment position before choosing the right extractor profile, which is why the work is completed without forcing or gouging the cylinder in the vast majority of cases.