An easy way to choose which latch you need is to measure from the edge of your door to the centre of your door Stile. Choose the Backset which is closest to this measurement, and the handle will be as central as possible to the Stile on your door.
How do you measure a Mortice latch backset?
The backset is the distance from the edge of the door to the spindle mechanism on the latch. Usually for a 63mm case measurement it will have a 44mm backset and for a 76mm case measurement will have a 65mm backset.
How are gate latches measured?
Measure the distance from the face of the gate to the back edge of the rose (round bit of the ring handle); this gives you the measurement that needs cutting from the spindle so the ring handle fits onto the gate.
How are mortise locks measured?
You can measure the mortice locks by measuring the backset and the centre. It is also advised you measure the case width and height and the forend length and width. Backset – The backset is measured through measuring from the centre of the keyhole to the forend of the mortice lock.How do I know what size latch I need?
Overall Latch Size = Backset An easy way to choose which latch you need is to measure from the edge of your door to the centre of your door Stile. Choose the Backset which is closest to this measurement, and the handle will be as central as possible to the Stile on your door.
What is a 5 point Mortice lock?
The five lever mortice deadlock is a type of door lock commonly fitted to wooden doors. It can be locked and unlocked with a key from both the inside and the outside. It works by inserting and turning the key to move the five levers into the correct position, allowing the bolt to be locked or unlocked.
How do I measure for a replacement door knob?
You’ll need to know the bore hole’s diameter to get the right sized knob. Measure across the circular hole at its widest point, i.e. start at the bottom of the hole and pull the tape until you hit the top of the hole. There’s your diameter. Write down the number of inches that you see on a small notepad for reference.
What is the case size on a mortice lock?
Standard Case Depth sizes are 64mm (2.5″) and 76mm (3″) and standard Lock backset sizes are 44mm and 57mm, a 50mm case size is also available for doors with a narrow stile or aluminium doors. Other lock measurements although important are not so critical, these include Case Height, Forend Length and Width.How do you measure a night latch?
The size of a Night Latch is measured from the centre of the keyhole to the edge of the door where the night latch should finish.
What is latch size?An internal door latch allows you to close a door and keep it in place without locking it. … These sizes are the overall length of the latch, or the case. When measured to the spindle mechanism, the backset, then they translate as 44mm for the 65mm case and 57mm for the 76mm case.
Article first time published onWhat size hole do I drill for door latch?
The standard sized bore hole is 2 1/8″ in diameter. Through the edge of the door there is a 1″ cross bore that extends from the edge of the door through the bore hole. This cross bore is where the latch is installed. In addition to the two cross bores, a door can be prepped for one of 3 different types of latches.
Are all door latches the same?
In the United States, there are two common backsets for residential door locks: 2 3/8 inches and 2 3/4 inches. Pack your locks with a 2-3/8-inch or 2-3/4-inch latch, depending on which backset you specify.
How do you measure a door handle for a spindle?
To find the spindle length of your handles measure the bit that sticks out from the back of your handle as shown on the photo to the left.
Are door handles a standard size?
The industry standards are usually 44 mm/ 57mm / 82mm / 107mm / 130mm. Ideally you will try and choose the backset measurement that sites the door handle in the middle of the door stile. A shorter backset is recommended if you’re using a glazed door.
What is a tubular latch for a door?
A tubular latch is an item of ironmongery which is usually morticed* into a door, which allows the door to be opened and closed by means of a Door Handle or Door Knob. … Firstly, the Tubular Latch is without doubt, the most common type of door latch on the market today.
How do you measure door hinges?
Know Your Way Around A Hinge: Hinges are measured from top to bottom and side to side. This bit is pretty straightforward. You’ll then need to be able to discern radius corners from square corners. A square corner has that sharp angle like a square.
Are most door knobs the same size?
The most common are 2 3/8 inches and 2 3/4 inches, but some hardware can fit multiple backsets. Make sure the hardware you select fits your door. For more help, see Determine the Backset of Your Door.
What is the best Mortice lock?
ASEC 5 Lever BS3621 Mortice Locks The ASEC 5 lever BS3621 Deadlock and Sashlock are probably the most cost-effective lock on the market. They are a copy of the Legge lock range that has now been discontinued but with these ASEC locks available you don’t need the Legge range.
What is a 3 lever Mortice lock?
The 3 Lever Sashbolt Mortice Door Lock is a classically designed, low cost sashlock, which offers additional security for internal doors and outside applications such as sheds. The sashbolt is to be operated by a handle. Available in 64mm (2 ½”) and 76mm (3″) and in both brass effect and satin finishes.
Are night latches a standard size?
Night latches are available to purchase in two sizes, which are 40mm backset and a 60mm backset.
What is the difference between a 40mm and 60mm Nightlatch?
40mm Backset nightlatches are generally used on doors with limited space e.g doors with glass panels or narrowboat doors and are known as narrow stile nightlatches. 60mm Backset nightlatches are what most people have on their front door and are known as standard stile nightlatches.
What height should a night latch be?
Establish a convenient height for the latch. Typically, a night latch mounts on the door 48 inches from the floor. Mark the desired height at the lock side of the door with a pencil.
What is case size on a lock?
The case depth is often simply stated as the ‘lock size’. There are many different case depths but the most common sizes are 64mm and 76mm. This is the metric equivalent to 2.5″ and 3″ lock cases from back in the imperial days, you may well have heard the term “3 inch lock case” and so on..
How do I measure my backset?
Backset: A backset is the distance from the center of the cross bore, to the edge of the door. To determine the correct backset measurement for your door, you need to measure the distance from the edge of the door to the center of your cross bore.
How do you measure an interior door handle?
Measure from the edge of the door to the centre of the door knob or handle. The industry standards are usually either 44mm / 57mm / 82mm / 107mm / 130mm. Ideally you will try and choose the backset measurement that sites the door handle in the middle of the door stile.
What is a latch bore?
The latch bore, also known as the edge bore, is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt. The diameter of the latch bore is generally 1” to accommodate bolts from either mechanical or electronic locksets.
What diameter hole does a lock set usually require?
Lock Bore The diameter of the hole for the lock body. The standard bore is 2-1/8”. Many older doors had bores that were been smaller. Most of the current locks require the standard 2-1/8” bore.
How much space should be between door knob and deadbolt?
The distance between a deadbolt and door knob is usually 5 1/2 to 6 inches above the handle. Most do not recommend placing it any higher than 6 inches from the original knob unless the situation calls for it.
What is door latch called?
The Bolt: Also called the latch, the bolt engages the inside of the door. There is a piece of metal that extends from the door into the frame itself. This bolt is used to hold it closed.
