China ANSI grade 3 standard manufacture zinc alloy door handle matt black master key door Lock ORB door lever

Product Description
Brand:
OEM/Longsire
Material:
Zinc alloy
Door Prep:
Cross bore 2-1/8",Edge bore1", Latch face 1"x2-1/4"
Backset:
2-3/8"standard, 2-3/4"optional
Door Thickness:
Adjustable 1-3/8"--2"
Face plates:
1"x2-1/4"square corner standard.Round corner and other options available.
Strikes:
2-1/4" full lip square corner standard.Round corner and other options available.

Bolt:
1/2"throw.Nickel Plated.
ANSI/BHMA:
A156.2Grade 3.
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Packing
Function available
Entrance/Office lock
Both knobs locked or unlocked by key 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.
Passage/hall/closet
Both knobs are free
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.
Single dummy trim
Single dummy trim for one side of door.FAQ
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.
Production process
pressure casting
Machining
polishing
Life test

Surface inspection
installation

Latch detection
Matching lock

Weighing to ensure completeness