Cylinder Knob Door Lock 578-B

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Product Description:

Product Name:  Cylinder Knob Door Lock 578-B

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:Is the neutral bar locked?
To buy genuine, parallel what is the natural garbage, Taobao on those 20 to block the natural Needless to say I bought a neutral high manganese steel password lock, a good use, what a pliers pry open is a joke
Q:Phone card locked, forget the password, how to unlock?
Call customer service phone, find manual service.
Q:How do I identify the door lock level?
B level is a more secure level, from the key point of view is double-sided bullets slot, such a lock if there are tools, skilled workers to open about 10 minutes. Super B-class lock is the most secure level, from the key point of view the general double-sided bullets slot, next to a leaf or curve.
Q:Canon camera memory card lock?
As shown in the figure on the card marked as B write protection switch to the top of the machine to try again if the same show that the lock is a card that is a problem with the card is now very cheap if the machine can be used to replace the memory card Is your machine has a problem with the card slot or motherboard problem recommended repair
Q:Generally padlocked keyhole next to a small hole, what is the use?
Leaving the hole in order to put oil inside, because there is a spring and lock the beam for a long time easy to rust, so when the lock to stay so a hole, in order to clean up
Q:Peugeot 307 remote control lock on the door is what reason
This function is understood to be wrong, is this, Peugeot is automatically locked from outside after opening. If the car when the lock, and stopped after the insider did not open the door, if someone outside the car would like to open the door, it needs to unlock the car first lock. I also feel that this control lock is not useful, did not achieve the desired security.
Q:What brand of bike is locked
It is recommended not to buy that kind of circle lock, in the online store to buy more solid U-shaped steel lock and long chain lock, lock two relative insurance, but palliative, it is best car in people
Q:Car anti-theft device is always locked one of the doors how to do?
Put the ear on the front of the door near the handle, with remote control to open and close the door: A, if you can not hear "click, click" sound. The remote lock is locked and the harness is short (broken). Replace the latch or repair circuit. B, there is sound, but the reaction is not flexible, or friction sound big. The locking device aging, linkage structure of the lack of oil friction increases, linked to the structure of mutual interference. Replace the transmission or lubrication, adjust the linkage structure.
Q:Santana 2000 Junjie car lock how to install
It is best not to do it yourself easy to stay safe to install
Q:Sauna lock can not open how to do
Escala and other well-known lock factory mostly use tiger hotolube or Krupp kluber all synthetic lock lubricants.

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