Sliding door mortise locks for patio doors. There are two main types: Single hook locks and a 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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Andersen Mortise Lock & Keeper 750-2562124


Andersen 4 Panel sliding door mortise lock and keeper. Andersen lock 2562124.......see more

Andersen 4 Panel sliding door mortise lock and keeper. Andersen lock 2562124.…

Interlock 2 Point Mortise Lock 16-460


2 Point patio door mortise lock. Manufacturer Interlock US Patent 5,951,068. Used by ROTO and others......see more

2 Point patio door mortise lock. Manufacturer Interlock US Patent 5,951,068. Used by ROTO and others…

Interlock 2 Point Mortise Lock 16-460ss


2 Point patio door mortise lock. Stainless steel hooks. Better option for coastal areas . Manufactur......see more

2 Point patio door mortise lock. Stainless steel hooks. Better option for coastal areas . Manufacturer Interlock US Patent 5,951,068.…

Interlock Keeper 12-424B


Two Point Interlock Keeper with Adjustable Strike. Color: Black. Screw hole centers: 6-3/4". Overall......see more

Two Point Interlock Keeper with Adjustable Strike. Color: Black. Screw hole centers: 6-3/4". Overall Length: 7-11/16".Used with 16-460 mortise lock.…

Keeper 2 Point 12-417


1 inch height. Keeper for 2 point mortise lock. Manufacture Amesbury......see more

1 inch height. Keeper for 2 point mortise lock. Manufacture Amesbury…

Keeper 2 Point 900-22553


1-2 inch height. Keeper for 2 point mortise lock Manufacture Amesbury......see more

1-2 inch height. Keeper for 2 point mortise lock Manufacture Amesbury…

Keeper 2 Point 900-22553SS


1-2 inch height. Stainless steel Keeper for 2 point mortise lock Manufacture Amesbury......see more

1-2 inch height. Stainless steel Keeper for 2 point mortise lock Manufacture Amesbury…

Keeper Flat 12-441ss


Keeper for Multi point lock. Flat Keeper Stainless steel. Used with 16-800 mortise lock.......see more

Keeper for Multi point lock. Flat Keeper Stainless steel. Used with 16-800 mortise lock.…

Keeper Flat 16-680FKSS


Keeper for Multi point lock. Flat Keeper Stainless steel. Used with Gemini I and II......see more

Keeper for Multi point lock. Flat Keeper Stainless steel. Used with Gemini I and II…

Mortise 2 Point Lock 16-452


2 point mortise lock with Faceplate Patent 6.0264.252 and or Patent 5.820.170 Faceplate 3......see more

2 point mortise lock with Faceplate Patent 6.0264.252 and or Patent 5.820.170 …

Mortise 2 Point Lock 16-452ss


Stainless steel 2 point mortise lock with Faceplate Patent 6.0264.252 and or Patent 5.820.170 ......see more

Stainless steel 2 point mortise lock with Faceplate Patent 6.0264.252 and or Patent 5.820.170 …

Mortise 2 Point Lock 16-453


2 point mortise lock with short faceplate. Hooks point away from center.  ***Part discontinued......see more

2 point mortise lock with short faceplate. Hooks point away from center. 
***Part discontinued. Replacement part is 16-720. Must also purchase…

Mortise 2 Point Lock 16-574


Dual Hook Mortise Lock for sliding patio doors. Manufactured by Amesbury. Patent No. US 7,040,671 B2......see more

Dual Hook Mortise Lock for sliding patio doors. Manufactured by Amesbury. Patent No. US 7,040,671 B2. ***Once stock is depleted, item…

Mortise 2 Point Lock 16-611


Satin Nickel trim plate. Two Point Mortise Lock With Trim Plate 2447 Series Multipoint Specia......see more

Satin Nickel trim plate. Two Point Mortise Lock With Trim Plate 2447 Series Multipoint …

Mortise 2 Point Lock 16-612


Two Point Mortise Lock With Trim Plate 2447 Series Multipoint Special Features: Amesburys pat......see more

Two Point Mortise Lock With Trim Plate 2447 Series Multipoint Special Features: Amesburys patented Gemini Lock is the ultimate in security.…

Mortise 2 Point Lock 16-612ss


Stainless Steel Two Point Mortise Lock With Trim Plate 2447 Series Multipoint Special Features: ......see more

Stainless Steel Two Point Mortise Lock With Trim Plate 2447 Series Multipoint Special Features: Amesburys patented Gemini Lock is the ultimate…

Mortise 2 Point Lock 16-680


Mortise lock with double latch and safety lock out pin Patent number 6.264.252 stamped on body ......see more

Mortise lock with double latch and safety lock out pin Patent number 6.264.252 stamped on body Steel construction   NO Trimplate included Special…

Mortise 2 Point Lock 16-720


Not always in stock Features - Has Anti-Slam - Withstands op to 2000 lbs of forced entry - Actu......see more

Not always in stock Features
- Has Anti-Slam
- Withstands op to 2000 lbs of forced entry
- Actuator is centered for 3…

Mortise 2 Point Lock 16-775B


2 point mortise lock with Faceplate. Includes stainless steel keeper. Faceplate color: Black. Pictur......see more

2 point mortise lock with Faceplate. Includes stainless steel keeper. Faceplate color: Black. Picture just for reference. Roto Fasco # is…

Mortise 2 Point Lock 16-775w


2 point mortise lock with Faceplate. Includes stainless steel keeper.Faceplate color: White. Roto......see more

2 point mortise lock with Faceplate. Includes stainless steel keeper.Faceplate color: White. Roto Fasco # is MPBTKB15927A. US Patent: 8,827,324…

Mortise 2 Point Lock 16-800


Windoor Stainless steel mortise lock with double latch. Uses square drive for tail piece.......see more

Windoor Stainless steel mortise lock with double latch. Uses square drive for tail piece.…

Mortise 2 Point Lock 16-883


2 point mortise lock with Faceplate, steel. Faceplate 3/4 inches X 11 3/4 inches......see more

2 point mortise lock with Faceplate, steel. Faceplate 3/4 inches X 11 3/4 inches…

Mortise Lock 16-142


Used for surface mounted patio door handle......see more

Used for surface mounted patio door handle…

Mortise Lock 16-170


Square face Mortise lock 45 degree......see more

Square face Mortise lock 45 degree…

Mortise Lock 16-170-90


Square face Mortise lock 90 degree thumb turn style.......see more

Square face Mortise lock 90 degree thumb turn style.…

Mortise Lock 16-171


Round face Mortise lock 45 degree thumb turn.......see more

Round face Mortise lock 45 degree thumb turn.…

Mortise Lock 16-173


Square face Mortise lock 90 degree......see more

Square face Mortise lock 90 degree…

Mortise Lock 16-174


Round face mortise lock for sliding patio doors with 90 degree cam. Steel. 3-11/16" hole center......see more

Round face mortise lock for sliding patio doors with 90 degree cam. Steel. 3-11/16" hole centers. *If you have a 45…

Mortise Lock 16-175


Round face Mortise Lock. Steel. We recommend the Stainless steel for this mortise lock. Model # 16-3......see more

Round face Mortise Lock. Steel. We recommend the Stainless steel for this mortise lock. Model # 16-397SS FYI:…

Mortise Lock 16-333


This mortise lock plate has 5 3/8" Hole centers. CHECK YOURS FOR PROPER FIT. Mortise look used ......see more

This mortise lock plate has 5 3/8" Hole centers. CHECK YOURS FOR PROPER FIT. Mortise look used by Peachtree and…

Mortise Lock 16-363-45


Mortise lock with faceplate and 16-175 mortise lock. Check hole measurements on faceplate.......see more

Mortise lock with faceplate and 16-175 mortise lock. Check hole measurements on faceplate.…

Mortise Lock 16-363-45ss


Stainless steel Mortise lock with faceplate and 16-175 mortise lock. Check screw hole measurements o......see more

Stainless steel Mortise lock with faceplate and 16-175 mortise lock. Check screw hole measurements on faceplate.…

Mortise Lock 16-397


Round Face Mortise lock used by Sash Controls and others. Finish: Steel.  Manufactured by Tr......see more

Round Face Mortise lock used by Sash Controls and others. Finish: Steel.  Manufactured by Truth. Markings on lock 32436 or 2320-1061.…

Mortise Lock 16-397SS


Truth stainless steel sliding door mortise lock. Our recommendation for Durability and longer lastin......see more

Truth stainless steel sliding door mortise lock. Our recommendation for Durability and longer lasting. Stainless steel Replacement for 16-175. Manufacture…

Mortise Lock 16-404A


Mortise lock with bracket and trim plate. 45 degree switch.......see more

Mortise lock with bracket and trim plate. 45 degree switch.…

Mortise Lock 16-441-45


Mortise lock with Pocket trim plate with 16-175 Brass plated ......see more

Mortise lock with Pocket trim plate with 16-175 Brass plated …

Mortise Lock 16-443


Mortise lock and plate. 1 1/4" backset.......see more

Mortise lock and plate. 1 1/4" backset.…

Mortise Lock 16-490


Interlock Roto Single point sliding door lock. Manufactured for Roto. Sliding door mortise lock with......see more

Interlock Roto Single point sliding door lock. Manufactured for Roto. Sliding door mortise lock with square drive. Compare Red mark in…

Mortise Lock 16-673


Raised button. Front surface mounted steel hook. Special order. Allow 304 weeks for shipping.......see more

Raised button. Front surface mounted steel hook. Special order. Allow 304 weeks for shipping.…

Mortise Lock 16-817


Ashland Single Point mortise lock, 45mm backset.......see more

Ashland Single Point mortise lock, 45mm backset.…

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