The MS1850S Series MS® Deadlock utilizes a laminated stainless steel bolt to provide maximum security for a single leaf narrow stile aluminum door. Activated by a pivot mechanism.
A huge bolt of laminated stainless steel, nearly 3″ long, activated by an uncomplicated pivot mechanism, has made the basic MS1850S Series MS® Deadlock the standard of the narrow stile aluminum door industry. The length of this bolt provides maximum security for a single leaf door, even a very tall and flexible one or an installation where the gap between the door and jamb is greater than it should be.Operation:
360° turn of key or thumbturn projects or retracts the counterbalanced bolt. Key can be removed only when bolt is 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 4066Thumbturn, available separately. Lock accepts cylinder from either or both sides.
Backset: 7/8″ [22.2 mm], 31/32″ [24.6 mm], 1-1/8″ [28.6 mm], and 1-1/2″ [38.1 mm]. 1850S-X2X not available with 7/8″ backset.
Case: Measures 1″ x 6″ x depth [25.4 mm x 152.4 mm x depth], depth varies by backset (see table on catalog page). Steel with corrosion-resistant plating.
Faceplate: Measures 1″ x 6-7/8″ [25.4 mm x 174.6 mm].
Strike: See catalog page for dimensions of strike slot which can be cut in metal jamb. Trim plate, box strike, and armored strike are available separately.
Bolt: Eight-ply laminated stainless steel. Center ply has alumina-ceramic core to defeat any hacksaw attack, including rod-type “super” hacksaws.
MS1850S: Standard straight bolt measures 5/8″ x 1-3/8″ x 2-7/8″ [15.9 mm x 34.9 mm x 73.0 mm] with 1-3/8″ [34.9 mm] throw.
Standard Package: Individually boxed with faceplate and mounting screws. Strike plates, cylinders and/or thumbturns available separately.
Shipping Weight: 1-1/2 lbs [0.68 kg].