MS1861 Bottom Rail Deadbolt provides maximum security with MS deadbolt locking mechanism. It utilizes hardened steel bolts for the limited space of ultra-narrow stile doors.
Features
Cylinder Backset: Minimum backset is approximately 2-1/4" [57.2 mm] for the MS1861- 01 configuration with vertical bolt only. The MS1861-02 configuration with both vertical and horizontal bolts requires placement of cylinder centerline 5-3/4" [146.1 mm] from nose of door. Both have cylinder center 1-7/8" [47.6 mm] above bottom edge of door.
Case: Measures 1" × 6" × 1-13/16" [25.4 mm × 152.4 mm × 46.0 mm]. Steel with corrosion-resistant plating.
Strike: In metal installation, 7/16" [11.1 mm] drilled holes in threshold are required. For MS1861-02 configuration with both vertical and horizontal bolts, drilled holes are also required in jamb or opposite door.
Standard Package: Individually boxed with mounting screws. Cylinder and/or thumbturn available separately. If required, tube spacers are available separately.