Adams Rite MS1837 - Series MS® Two-Point Deadlock - Includes 4001-011 Strike, 36" Cylinder Height

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3.00 LBS
Width x Height x Depth:
2.00 (in)


3.00 (in)


9.00 (in)

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Adams Rite MS1837-Series MS® Two-Point Deadlock - Includes 4001-011 Strike, 36" Cylinder Height

Maximum security for wood door pairs is provided with the MS1837 Two-Point Adams Rite Deadlock. A single turn drops a bolt into the threshold and pivots the MS bolt.


Maximum security for wood door pairs is provided by the MS1837 Adams Rite Deadlock with a single turn of a key. Simultaneously dropping a stainless steel hexbolt into the threshold and pivoting the massive MS bolt into the opposite leaf, the MS1837 Adams Rite Deadlock eliminates inconvenient and sometimes forgotten flushbolts in the inactive leaf.


360° turn of key or thumbturn projects counterbalanced bolt into opposite door and drops bolt into threshold. Key can be removed only when bolts are in a positively locked or unlocked position. Lock accepts any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder or thumbturn such as the 4066 Thumbturn, available separately. Lock accepts cylinder from either or both sides.


Cylinder Backset

1-1/2" [38.1 mm] only.

Cylinder Height

36" [914.4 mm] standard. Other cylinder heights available on special order, specify exact height from bottom of door to cylinder center. Maximum cylinder height 65" [1651 mm].


The case of the MS1837 Adams Rite Deadlock measures 1" x 6" x 2-3/16" [25.4 mm x 152.4 mm x 55.6 mm].

It is made of steel with a corrosion-resistant plate.

Pivoted Bolt

5/8" x 1-3/4" x 2-7/8" [15.9 mm x 44.5 mm x 73.0 mm] with 1-3/8" [34.9 mm] throw. Eight-ply laminated steel with alumina ceramic core to deter hacksaw attack.

Threshold Bolt

Hexagonal 3/8" [9.5 mm], flat to flat. Stainless steel.

Armored Faceplate

Flat, two-piece plate extends to bottom of door.


For MS bolt, a 4001-011 Strike Plate with dust box is furnished. Threshold bolt strike can be 1/2" [12.7 mm] diameter hole in metal threshold or, if threshold is wood, 4005 Strike is available separately.

Standard Package

MS lock individually boxed with mounting screws. Hexbolt and rod packed separately with face extension plate, screws, bottom bolt guide, and attachment pin. Cylinder and/or thumbturn available separately.

Shipping weight

3 lbs [1.36 kg]


The MS1837 Adams Rite Deadlock is available in choice of 313 Dark bronze anodized, 335 Black anodized, 628 Clear anodized, US3 (605) Bright brass, US26D (626) Satin chrome.

Click here for our Definitive List of Door Hardware Finishes

Adams Rite MS1837 Series Two Point Deadlock Dimensions | Adams Rite Deadlock


Click here to download Adams Rite MS1837 Catalog
Click here to download Adams Rite MS1837 Installation Instructions
Click here to download Adams Rite Price List