The cheapest lock that we’ve seen is made of zinc diecast with plastic core. Actually we’re also surprised that plastic can be used to make the core (key cylinder). Zinc diecast are usually simple manufacturing process and uses recycle zinc as it’s main raw material. That’s why it’s cheap
And this photo, is a zinc diecast lock. Almost 2 years old. Broken handle, from just ordinary residential use. Owner apparently was not aware, as his contractor choose and install for him.
Never trust a cheap lock guys.
#cheap #doorlock #security #kuching
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