Cylinder Knob Door Lock 578-C

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Product Description:

Product Name:  Cylinder Knob Door Lock 578-C

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:Security door should have a few keys
Anti-theft door anti-theft lock AB lock or ABC lock two kinds of usage can see the instructions on the packaging, you can also ask the installation of the master. The new anti-theft lock package is intact, the packaging is B lock or BC lock, the normal is 6. Outside is the A lock, for the construction staff to use. There is no packaging of the anti-theft lock, the key is generally 6, it is recommended to the official lock, lock the place to buy or install.
Q:Beyond all stainless steel lock can be opened from the lock cylinder violence?
Beyond all stainless steel lock can not be opened from the lock cylinder violence.
Q:What documents do you need to produce a lock?
Home lock, mortise lock, car lock, chain lock, garage lock, safe lock, electronic lock and so on, according to your customer needs, technical ability, production capacity to decide it, free market free choice.
Q:Motorcycle electric lock method
Red line positive, black line is the positive outlet, green is paid, black and white is the fire line
Q:What are the key types of electronic door locks?
Electronic door lock type - Introduction of electronic door lock Electronic door locks refer to the use of programmable memory and data reading devices whose keys are difficult to reproduce. The key has a 3.5 × 3.5mm dedicated electronic chip, there is a specific password. When the key is inserted into the keyhole, the password is fed into the memory in the lock, generating a magnetic field and generating a voltage in the coil on the chip as an unlocked power source. If the key in the key matches the lock, the lock is opened The Lock password can have 10 more than 13 times the combination, so in the next few decades can be assured to use. But can talk about some of the practical or some of the popular or key electronic password lock.
Q:How is this padlock open?
This lock is more difficult to open, the key point in the key handle all inserted. Insert the key when the activities of the inside to insert.
Q:With the remote control key to lock the door why the trunk can open
Remote control key is the induction of the Mody, or to manually press? If you want to manually press it, it must be a problem. Go to the car to see
Q:The car did not turn off but the lock was locked
Spare key is necessary to wait for the car's fuel consumption only natural flameout
Q:The key lock at home, how to use the card to unlock or other good way.
I am unlocked, teach you a trick it, if it is a general lock, and there is no lock, and the door is slightly wider, with a generation of ID cards or plastic photos from the door at the lock point inserted into the force , Repeated several times like, if it is a high-level security door, or has been locked, then the best professional or call 110 unlock. good luck!
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

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