Q:The door locks generally have several keys

Mainly to see what the lock - before I locked in the city to buy the lock, is 5 keys - the quality of fine

Q:My stainless steel door key is very bad, dark whistle is always off, there is the keyhole is difficult to turn, close the door is very convenient door, please know how to deal with, change easily, easy to switch?

Hello! Dark whistle off, because the inside of the oil dry, need to join the oil solution The key is difficult to turn, just add a small amount of lead toner in the keyhole a few times to be able to solve a few times

Q:How does the quantum lock B key use?

In general, there are two kinds of larvae lock, there are ABc key and AB key two kinds. The first A key 2 to the c key 1 B key 5, the c key into the rotation 360 degrees A key automatic failure B key can be used. The second is a B key with, A key failure, can only use the B key.

Q:How to lock the key for a door without a key, is the ordinary room door lock

Ordinary lock is not worth doing!

Q:Inside the door lock inside the key inserted from the outside how to open?

You can call to consult manufacturers, different manufacturers of the structure of the cylinder is not the same, some gourd-type lock cylinder can use the key to the other side of the key. There is a way, or if a person outside the key to block the outside keyhole, you are not locked inside can not come out, there is a picture you can probably say the next method, but also to see the key is not inserted into the door

Q:The door of my house is the kind of lock in the house to lock on the outside only if you can open the round door handle. Today, accidentally locked the key phone what are inside, the windows are locked, into Do not, and now do not unlock the company in business, but also to school tomorrow, can help think of a way? Thank you!

Find a scrapped credit card or other card, the lock is the middle of the position, hard to poke, can generally open. Really open the words, with a wet towel wrapped around the handle, with the maximum power to the right twist, and then use The maximum strength to the left twist, back and forth can be opened several times, but the lock is broken.If you really can not open, with a screwdriver into the key hole, forced twist, you can open these methods do not damage the door.

Q:What is the meaning of the key on the key

You are talking about the trademark R on the key, R is the abbreviation of REGISTER, used in the trademark refers to the meaning of the registered trademark. With a circle R, is a "registered trademark" mark, meaning that the trademark has been registered in the State Trademark Office and has been approved by the Trademark Office, a registered trademark.

Q:The key to the lock is often gone?

Do not put the oil, this is a very stupid practice, because the lock inside the bladder is a spring component, once the lock boring oil lock is smooth, but the dust will stick in the lock inside the gallbladder, a long time, plus winter The weather is cold, lock the gallbladder inside the oil sticky dust to solidify up,

Q:How do I identify the door lock level?

A-level is the most primitive and most insecure lock cylinder, the owner's key is flat, only single-sided single-row bullet slot, some cross-key also go to A-level, this lock as long as two or three minutes will be able to open, Faster.

Q:Anti-theft door lock key cross good or flat good

A-level lock: Currently on the market A-level anti-theft lock key is a word key and cross key. A-level cylinder internal structure is very simple, limited to the changes in the ball, the ball slot less shallow. Anti-technical open time 1 minute, the opening rate is extremely high. The ball structure is a single row of balls or a cross lock.