That s why our door hardware is volunteered for testing against the highest industry standards like the new bhma residential grading system.
Door hardware functions chart.
These are classified into more than 20 types using codes developed by door hardware group bhma.
A grade of c is good b is better and a is best.
Our passion for door hardware is what drives us to develop the products that keep you and what matters most to you secure.
One hundred and fifty years later yale s comprehensive line of door hardware includes mortise and cylindrical locks exit devices door closers electromechanical products and key systems.
Lock function chart function function no.
Note the hardware s required bore hole size.
Function description ansi no.
Manufacturers may use various terminology but these are standard terms.
Function codes for locks exit devices code description code is ansi number cylinderical locks need single pair dummies f75 passage.
Refer to specific manufacture data prior to specifying types.
Transformed the locking industry forever when he created his most important invention the yale pin tumbler cylinder.
Locksets that require a key to retract the latch or deadbolt on the inside are not recommended for egress use.
Lock functions determining which lock function is appropriate for which door can drive a specifier crazy.
E2191 f18 e2181 half bolt door bolt n a n a n a n a unlocks locks n a f15 f100 f93 hotel motel no effect unlocks if thumbturn not set opens at all times n a unlocks locks deadbolt yes displays do not disturb when thumbturn thrown.
F87 institutional asylum or utility.
The function or mechanical behavior of a lock especially a mortise or cylindrical lever lock should be specified for an opening.
When shopping for door hardware here s some basic information you need to know.
Outside knob lever locked by pushbutton on inside knob lever.
Deadlocking latchbolt operated by lever from either side except when outside lever is locked by the push or turn button inside.
A thickness of 1 3 8 inches is standard for interior doors while 1 3 4 inches is standard for exterior doors.
Rotating inside knob lever or closing.
When a storeroom lock is specified a door closer may also be needed to ensure that the door is not left open defeating security.
Make sure the hardware will work with your door thickness.
Bhma is a group of industry experts who grade residential door hardware performance in the categories of security durability and finish.
Push button locks outside lever until unlocked with key or by rotating inside lever.
Rooms mechanical rooms and elec trical rooms that do not require panic hardware.
Door hardware function the following list shows different door lockset functions.
Some may say a lock is just a lock but schlage has spent a century unlocking opportunity and we ll continue opening more than just doors in the next 100 years.
Emergency or display key may override deadbolt.
