2331 Heavy Duty Deadbolt

2331 Heavy Duty Deadbolt provides a heavy duty deadbolt lock that expands into the strike for heavy duty hollow metal or wood applications.


A heavy duty deadbolt for hollow metal or wood sliding doors, the 2331 Heavy Duty Deadbolt throws a massive brass bolt into its strike, then expands two stainless steel dogs to secure the door. A single turn of the key expands or retracts the bolt. There is no latch action.



360° turn of key or thumbturn extends and projects or retracts and withdraws the bolt. Key cannot be removed unless bolt is positively locked or totally retracted. Lock accepts any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder or thumbturn with special cam dimensions. Lock accepts cylinder from either or both sides.



Cylinder Backset: 1-3/4" [44.5 mm] only.

Case: Measures 7/8" x 3-5/8" x 2-5/8" deep [22.2 mm x 92.1 mm x 66.7 mm]. Zinc alloy.

Bolt: Brass with stainless steel dogs,1/2" x 1-1/2" [12.7 mm x 38.1 mm] with 3/4"[19.1 mm] horizontal throw and 11/32" [8.7mm] expansion above and below main bolt.

Strike: 1/8" x 1" x 4-11/16" [3.2 mm x 25.4 mm x 119.1 mm] with 5/8" x 1-5/8" [15.9 mm x 41.3 mm] opening. Brass, with four-screw mounting. Trim finish same as faceplate.

Armored Faceplate: Measures 1" x 5-3/4" [25.4 mm x 146.1 mm]; Flat faceplate of brass. Available in a variety of finishes.

Special Cylinder Cam: Operable by any standard mortise cylinder with special cam dimensions. Cylinders with such cams can be readily obtained from most cylinder manufacturers. See CYLINDERS & ACCESSORIES  section for cylinder make, thumbturn and trim ring information.

Standard Package: Individually boxed with strike and wood screws for mounting lock and strike. Cylinder and/or thumbturn available separately.

Shipping weight: 2 lbs [.91 kg].



• Available in choice of US3 Polished Brass (605), US26 Bright Chrome (625), US26D Satin Chrome (626), 121to match 313 Dark bronze anodized.


Related Products: When purchasing this product, please consider the following related products, available separately:

Standard 1" length, 1-5/32” diameter mortise cylinder with special 2331 cam, such as 4036 Mortise Cylinder, 4066ThumbturnMS4043 Cylinder Guard