Mechanical Door Knob Lock 3091 BP

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Product Description:

Product Name:  Mechanical Door Knob Lock  3091 BP

Product Information






AB/AC/PB/SB/SS/PSS/WR/WH (other finish is also available)

Door Thickness

35-50mm, other thickness available upon request




Brass cylinder


Normal/Computer key (brass/steel)


60/70mm adjustable tubular latch



Quality Standard

ANSI Grade 3


Box package, 24 Sets/Carton

N. W. per Ctn

12 Kg

G. W. Per Ctn

13 Kg

Payment Terms

T/T (30% deposit, 70% pay before shipment)


40-45 days upon order confirmation

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Q:My door lock frozen for 3 days and so natural nature of this car lock any harm
Hello, nothing [Car problems, ask the car master. 4S shop professional technician, 10 minutes to solve. To
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:When was the lock and the key invented?
We are now widely used in the ball lock, the United States is a small Nerus Yale invented in 1860. While the invention of the keys was later than the ancient Egyptians were the world's first to use the keys. Their lock is a wooden door bolt into a slot, the top of the groove there is a wooden bolt. When the plug is inserted into the groove, the wooden plug will be inserted into the hole of the bolt. In this way, the bolt will be very strong, you must use the key to open. As the Egyptian lock can only be used in the side of the door bolt is not conducive to the flexibility to open and close, so the Greeks on this basis, but also developed a lock from the other side can be opened. The keys made by the Greeks are a curved stick, shaped like a small sickle with a farmer. But there are some keys up to 3 feet, must be carried on the shoulders to move, quite heavy. The Romans can be said to be the most sophisticated locksmith of ancient times, and they have considerable research on the standard of making keys, and have learned that the nails at the end of the key are cut into various shapes.
Q:Car door lock is broken. Is to find auto repair shop or car decoration that can repair?
I will introduce you to a more professional with the car keys where they should be able to repair in your pool Road Longxiang car key shop 0551-
Q:Anti-theft door locks can be changed inside and outside
Test method: with B key rotation 360 degrees, A key can still open, then it is not facelift. This is the interior.
Q:Ipad2 wifi version, model A1395, password forgotten after three times locked, how solution,
If you have been jailbreak, the problem may be relatively simple, as long as the repair of a document! You can find on google! If you do not jailbreak, you can connect itunes, when IPad and ITUNES want to connect, will appear in iTunes, a **** IPAD, click on, there will be to restore my IPAD, so after recovery, you may put before All the contents are cleared and restored to factory settings. If you want some of the content, but also want to keep, you can first backup, select the password protection, and then restore or upgrade, after the first to enter the IPad to set your password, and then restore your just the backup. Not too express, hope to help you!
Q:Fantasy Westward Journey to buy a number, and password lock forget how to do
With the data can be cleaned directly to clear the best to write the information quickly as long as the information is complete review of the ultra-fast minutes to get
Q:Friends of the ABC code password input a mistake in the securities account bank card transfer and enter the wrong two times, will not be locked
Do not need to unlock! Because some banks have only three chance of error!
Q:Why Bora door lock, pull the door handle will not alarm
How not to open the alarm will not be. I hope that my answer can help you.If you do not understand welcome to continue to ask. [Car problems, ask the car master. 4S shop professional technician, 10 minutes to solve. To
Q:Use to find my iPhone, set the password to lock, and now the phone every time the screen to unlock a password, a lot of trouble, how to cancel it
Set the universal password lock and then enter the password and then click to close the password on the OK

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