Hardware lock damage, don't open hole replacement method - Fu yu hardware

Hardware lock as one of the essential items in the home, use in the long run, hard to avoid can appear all sorts of fault, needs to be replaced, but due to the wooden door is open the hole, to open new hole trouble not only, and can produce opposite damage, if you want to change or opening new hardware lock, must do the following points.     A: make sure the lock body sizes & emsp;   Domestic mainstream lock body size: 40, 50 * 50 * 45, 58, 58 * * 40, 45, 50, 72, 58 * * 45, 45, 50, 72 * 85 * 85 * 50 specifications, such as the top two digits on behalf of party a, the distance to the lock after two digits represent the guide plates into the square hole distance.     2: determine the lock size & emsp;   Hardware lock, the lock is easy to match to main dimensions is given priority to with 70 and 70, occupy the mainstream status, it is important to note the lock core is pure brass lock core is beautiful, pure resistance smaller brass lock core, use longer.     Finally, the measurement of good lock body and lock core specifications specifications tell the businessman, can match the right hardware lock, the whole process of change is very simple, without having to open hole. Also recommended: hardware lock to buy high quality products as far as possible, otherwise change rise will greatly increase the cost, beginning ability is weak, some friends might find master change, that costs more.

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