Description
Adams Rite 4911W-45-202-335 Heavy Duty 1-1/2″ Deadlatch
Adams Rite 4911W-45-202-335 Heavy Duty Deadlatch offers unparalleled security and flexibility in traffic control for commercial applications. Designed with a 1-1/2″ backset and a 2-5/8″ radius mortised strike, this deadlatch features a durable steel case with corrosion-resistant plating, ensuring longevity in high-use environments.The innovative bolt holdback function allows users to retain the bolt in a retracted position with a reverse turn of the key, enabling two-way traffic when needed. The solid brass latch bolt is easily reversible, accommodating various door configurations with minimal effort. Included in the package are both flat and radius faceplates, making it adaptable for right or left beveled edge doors. This model is compatible with standard mortise cylinders featuring MS cams, providing flexibility in key systems. Additionally, it can retrofit existing 4500/4700 deadlatch preparations without the need for stile modifications. The auxiliary latchpin enhances security by preventing forced entry methods, such as “loiding.” With a limited five-year warranty and a user-friendly installation process, the Adams Rite 4911W-45-202-335 Heavy Duty Deadlatch is an excellent choice for professionals seeking reliable locking solutions for narrow stile doors.
Heavy Duty Deadlatch 1-1/2″ BS
Heavy Duty Deadlatch, Radius Faceplate w/Weatherstrip, 1-1/2 In. Backset, 2-5/8 In. Radius Mortised Strike, LH or RHR, Black Anodized
Flexibility of traffic control and installation is offered by the 4900 Series Deadlatches. A reverse turn of the key while bolt is held retracted retains the bolt, to allow two-way traffic for applications which require free entrance at certain times and exit-only at other times. Interchangeable, without stile modification, with any MS1850A or MS1850S deadbolt of same backset and faceplate shape. Also retrofits to existing 4500/4700 Deadlatch preparations. Steel case with corrosion-resistant plating. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting. Solid brass latch bolt is easily reversible using only a screwdriver. Stainless steel auxiliary latch pin deadlocks latch bolt to prevent “loiding” or case-knife entry. Both flat and radius faceplates are supplied. Flat faceplates can also be adjusted in the field for right or left beveled edge doors. Standard strike furnished is 4902 for flat jamb where door closes flush or nearly flush. Specify 4901 for retrofit installations. Also available: radius strike for opposite stile in paired doors and long lip strikes for center hung doors. Turn key or operate handle or paddle to retract spring loaded latch bolt. To hold bolt retracted, push it in and secure by reverse turn of key. Uses any standard mortise cylinder with MS cam. Available in three cylinder backsets, 31/32 In., 1-1/8 in. and 1-1/2 in.. Individually boxed with Flat and Radius Faceplates, Strike and machine screws for mounting. Order cylinders, paddle, handle or latch pull separately.
Flexible traffic control and easy installation.
A reverse turn of the key while bolt is held retracted retains the bolt, to allow two-way traffic for applications which require free entrance at certain times and exit-only at other times.
- Bolt Holdback: While bolt is held fully retracted, a reverse turn of the key retains the bolt, allowing the door to be free swinging.
- Cylinder Backset: 31/32”, 1-1/8”, or 1-1/2”
- Case: Measures 7/8” x 5-13/16” x depth. Depth varies by backset (see table on catalog page). Steel with corrosion-resistant plating. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting.
- Latchbolt: 5/8” x 1” x 5/8” throw. Solid brass. Handing is easily reversible using only a screwdriver.
- Auxiliary Latchpin: Stainless steel. Deadlocks latch bolt to prevent “loiding” or case-knife entry.
- Faceplates: Measures 1” x 6-7/8”. Both flat and radius faceplates are supplied. Flat faceplates can also be adjusted in the field for right or left beveled edge doors.
- Strikes: Standard strike furnished is 4902 for flat jamb where door closes flush or nearly flush. Specify 4901 for retrofit installations. Also available: radius strike for opposite stile in paired doors and long lip strikes for centerhung doors.
- Cylinder Cam: Operable by any standard mortise cylinder with MS® cam, dimensioned as shown. Cylinders with MS® cams can be readily obtained from most cylinder manufacturers. See CYLINDERS for cylinder make, thumbturn and trim ring information.
- Options: Backset, strike, and finish must be specified when ordering. For information on handles, paddles, and lever operators, seeTRIM. SeeELECTRIC STRIKESfor compatible access control products. See 4920AN Heavy Duty Deadlatch (ANSI Size) for wood and hollow metal door applications.
- Standard Package: Individually boxed with flat and radius faceplates, strike, and machine screws for mounting. Order cylinders, paddles, handles, or lever operators separately. Shipping weight: 1-1/4 lbs.
Attributes
Baa Qualified: Yes
Base Material: Aluminum
Bolt Projection: 5/8″
Commercial Residential: Commercial
Country of origin: USA
Cylinder Type: Less Cylinder
Door Thickness: 1-3/4″ – 2″
Dust Box: Plastic
Finish: 315/335
Function: Narrow Stile Latch Lock
Handing: Field Reversible
Installation: Commercial
Limited Warranty: 5 Years
Lock Face Size: 6-7/8″ x 1″
Origin: USA
Pack Height: 2.13″
Pack Length: 8.88″
Pack Qty: 1
Pack Volume: 61.29 in³
Pack Width: 3.25″
Pbs Options: 103,937,301,037,198,000,000,000
Product Height: 2.14″
Product Length: 6.87″
Product Width: 1″
Screws: Machine
Series: 4900 Heavy Duty Deadlatch
Ship Weight: 1.25 lbs.
Std Latch Backset Dim: 1-1/2″
Std Latch Type: Dead Latch (Guarded)
Std Strike Height: 2-5/8″
Std Strike Number: 4902-02
Std Strike Type: Mortise
Std Strike Width: 1-3/4″
Subtype: Mortise Lock
Type: Locks, Cylinders, Cores, Keyblanks
Unit of Measure: Each
Resources
- 4600 Deadlatch Handle with 4300/4500/4900 Installation Instructions
- 4900 Catalog Page
- 4900 Heavy Duty Deadlatch Cut Sheet
- 4900 Series Deadlatch – 31/32 Backset Added
- 4900 Series Deadlatch – Faceplate Additions Technical Memo
- 4900 Series Deadlatch Technical Memo
- 4900 Series Heavy Duty Deadlatch Installation Instructions
- 4901, 4902 Deadlatch Strikes Installation Instructions
- What is Backset and How Do I Measure it?






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