This collection contains high-quality sliding door mortise locks for patio doors, which are superior to other types of door locks because they can offer increased security and privacy. The unique design requires a mortise to be cut into the door, into which the lock assembly is inserted, producing a sleek look which doesn’t show any hardware from the outside of the door. There are two main types: Single hook locks and two point mortise locks. We carry Truth Hardware mortise locks, Roto, Interlock, Gemini locks, PGT, Giesse and much much more. Please contact us if you need assistance in selecting the correct mortise lock for your door.


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Mortise Lock 16-443


Sliding door mortise lock and faceplate. 1-1/4" backset. Recessed plate.......see more

Sliding door mortise lock and faceplate. 1-1/4" backset. Recessed plate.…

Mortise Lock 900-9169A


Pennco sliding door mortise lock and keeper. Diagonal hub. Aluminum finish. Includes mortise lock an......see more

Pennco sliding door mortise lock and keeper. Diagonal hub. Aluminum finish. Includes mortise lock and 900-8856 keeper. Also used by Traco.…

Mortise Lock Long Trim Plate 16-451A


Two point sliding door mortise lock trim plate and screws. Steel. 11-3/4" Length. Trim plate an......see more

Two point sliding door mortise lock trim plate and screws. Steel. 11-3/4" Length. Trim plate and trim plate installation screws…

Mortise Lock Stainless Steel 16-171ss


Sliding door mortise lock with Round face. Stainless Steel. 45 degree thumb turn. 3-11-16" Moun......see more

Sliding door mortise lock with Round face. Stainless Steel. 45 degree thumb turn. 3-11-16" Mounting Holes. Used on Adams Rite…

Mortise Lock Stainless Steel 16-333ss


Stainless steel sliding door mortise lock with 5-3/8" hole centers. Mortise look used by Peacht......see more

Stainless steel sliding door mortise lock with 5-3/8" hole centers. Mortise look used by Peachtree and others. Picture SHOWN is…

Patio Door Mortise Lock 900-18867


Traco sliding door mortise lock with 3-29/32" hole centers. Diagonal hub. Aluminum finish. Incl......see more

Traco sliding door mortise lock with 3-29/32" hole centers. Diagonal hub. Aluminum finish. Includes 900-14560 Keeper.
Markings: Patent: 919213.…

Peachtree Internal Mortise Lock 900-7305


Sliding patio door internal mortise lock with Flush button. Patent 5,365,954. Front surface mounted ......see more

Sliding patio door internal mortise lock with Flush button. Patent 5,365,954. Front surface mounted steel hook. Commonly used on Peachtree…

Peachtree Sliding Door Internal Mortise Lock 16-673


Sliding door internal mortise lock with Raised button. Front surface mounted steel hook. Commonly us......see more

Sliding door internal mortise lock with Raised button. Front surface mounted steel hook. Commonly used on Peachtree patio doors and…

Pella Mortise Lock 19-504B


Pella storm door mortise lock. Plate color: Black.......see more

Pella storm door mortise lock. Plate color: Black.…

Pella Mortise Lock 19-504W


Pella storm door mortise lock. Plate color White.......see more

Pella storm door mortise lock. Plate color White.…

PGT Sliding Door Mortise Lock Faceplate White 16-615W


PGT 5400 series sliding door mortise lock faceplate. Color: White. Used on PGT 5400 series doors. Us......see more

PGT 5400 series sliding door mortise lock faceplate. Color: White. Used on PGT 5400 series doors. Used with mortise lock…

Pocket Trim Plate 16-444


Sliding door mortise lock trim plate ONLY. 3-9/16" Hole centers. Brass plated. Recessed plate.......see more

Sliding door mortise lock trim plate ONLY. 3-9/16" Hole centers. Brass plated. Recessed plate.…

Pocket Trim Plate 900-17354p


Mortise trim plate ONLY for 16-441-45. Brass plated......see more

Mortise trim plate ONLY for 16-441-45. Brass plated…

Roto Sliding Door Mortise 2 Point Lock 16-775w


Roto Fasco sliding patio door 2 point mortise lock with 12" hole centers. Two point mortise loc......see more

Roto Fasco sliding patio door 2 point mortise lock with 12" hole centers. Two point mortise lock with White faceplate…

Roto Sliding Door Mortise 2 Point Lock 16-864


Roto Fasco sliding patio door mortise lock with Flat faceplate. 11" hole centers. Two point mor......see more

Roto Fasco sliding patio door mortise lock with Flat faceplate. 11" hole centers. Two point mortise lock with faceplate. Steel.…

Roto Sliding Door Mortise Lock 2 Point 16-1020


Roto Fasco sliding door mortise lock with recessed faceplate with square ends. Two point mortise loc......see more

Roto Fasco sliding door mortise lock with recessed faceplate with square ends. Two point mortise lock with faceplate and lock…

Roto Sliding Door Mortise Lock 2 Point 16-775B


Roto Fasco sliding patio door 2 point mortise lock with 12" hole centers. Two point mortise loc......see more

Roto Fasco sliding patio door 2 point mortise lock with 12" hole centers. Two point mortise lock with Black faceplate…

Stainless Steel Faceplate 900-11043ss


Stainless steel faceplate for 16-175 and 16-397 sliding door mortise locks.......see more

Stainless steel faceplate for 16-175 and 16-397 sliding door mortise locks.…

Stainless Steel Mortise 2 Point Lock 16-680ss


Stainless steel sliding door mortise lock with double latch and safety lock out pin. Patent number 6......see more

Stainless steel sliding door mortise lock with double latch and safety lock out pin. Patent number 6.264.252 stamped on body.…

Steel Faceplate 900-11043


Steel faceplate for 16-175 and 16-397 sliding door mortise locks.......see more

Steel faceplate for 16-175 and 16-397 sliding door mortise locks.…

Truth Nexus Two Point Sliding Door Mortise Lock 16-707


Truth Nexus sliding door mortise lock with 20mm wide faceplate 13322. Steel. Active two point mortis......see more

Truth Nexus sliding door mortise lock with 20mm wide faceplate 13322. Steel. Active two point mortise lock. Commonly used on…

Truth Nexus Two Point Sliding Door Mortise Lock 16-707ss


Truth Nexus sliding door mortise lock with 20mm wide faceplate 13323. Stainless Steel. Active two po......see more

Truth Nexus sliding door mortise lock with 20mm wide faceplate 13323. Stainless Steel. Active two point mortise lock. Commonly used…

Vanguard Mortise Lock 16-544W


Vanguard Fasco sliding patio door mortise lock. 2 Point mortise lock. Includes mortise lock, white s......see more

Vanguard Fasco sliding patio door mortise lock. 2 Point mortise lock. Includes mortise lock, white strike and screws. US Patent…

Vanguard Mortise Lock 16-544wx


Vanguard Fasco sliding patio door mortise lock only. 2 Point mortise lock. US Patent 6672632.......see more

Vanguard Fasco sliding patio door mortise lock only. 2 Point mortise lock. US Patent 6672632.…

Winkhaus Sliding Door Mortise Lock 853-2896437


Winkhaus sliding patio door mortise lock. Two point slider mortise lock with 13-3/4" hole cente......see more

Winkhaus sliding patio door mortise lock. Two point slider mortise lock with 13-3/4" hole centers. Overall Length: 14-9/16". Backset: 28mm. …

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