China USA Canada office ANSI 3 hours knob commercial brass cylinder Grade1 cylindrical leverset UL fire rated entry storeroom standard

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Product DescriptionFunction available
Entrance/Office lock
Both knobs locked or unlocked by outside or turnbutton inside
Classroom lock
Outside knob locked or unlocked by key outside.inside always free providing emergency exit
Privacy/bed/bath lock
Both knobs locked or unlocked by key outside or turnbutton inside or emergency key outside
Communicationg lock
Both knobs locked or unlocked by key in either knob.Turning key locks or unlocks its own knob independently
storeroom/vestibule
Outside knob unlocked only while key is inserted and turned.pull key locked.inside knob always free providing emergency exit
Exit lock
Outside knob rigid.the inside knob is always unlocked providing emergency exit
Single dummy trim
single dummy trim for one side of doorCertifications
Packing
Production process
pressure casting
Machining
polishing
Life test

Surface inspection
installation

Latch detection
Matching lock

Weighing to ensure completeness
about us


FAQ
Q:Are u a factory or trading company?
A: We are a factory.Welcome to zhongshan visit our factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 30-40 days if we start production.
Q: Do you provide samples ?
A: Yes, Normally we could offer one free sample,shipping cost of sample paid by customers.
Q.If we don’t find what we need on your website, what should we do?
A:You can send the pictures, photos and drawings of the products you need by email,our engineering designers can help you and produce your products.