The relevant standard defining locks functions depends on the type of lock it is.
Residential door hardware functions.
A grade of c is good b is better and a is best.
An entry function lockset will have a small button on the inside of the knob lever allowing you to manually lock the door when you choose.
For residential door hardware there are plenty of choices to meet any décor or need with ease so you can tailor your home to your preferences.
Apartment lockset the deadbolt is engaged or retracted by an outside key or an inside thumb turn.
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When the key is removed the door is locked on the outside.
A key is used to retract the latchbolt and open the door.
Most types will allow you to push the button in or push it in and turn the button causing the lock to remain locked even after a key is inserted and used.
These are classified into more than 20 types using codes developed by door hardware group bhma.
Dummy hardware can serve a decorative purpose matching operational hardware on double doors or can serve as knob or lever pulls on interior doors that don t require functional hardware.
Our passion for door hardware is what drives us to develop the products that keep you and what matters most to you secure.
When looking at an entry door lock also known as a lockset check the security grade.
Door hardware for home builders are you a home builder rather than a homeowner.
Functions that are available for residential door locks.
When the deadbolt is engaged the outside grip is locked and will not retract the latchbolt.
Operating inside lever closing door or operating outside emergency release unlocks outside lever.
The function or mechanical behavior of a lock especially a mortise or cylindrical lever lock should be specified for an opening.
Bhma is a group of industry experts who grade residential door hardware performance in the categories of security durability and finish.
When the deadbolt is engaged the inside grip simultaneously retracts both the deadbolt and the latchbolt.
Storeroom locksare used when the outside lever should be locked at all times.