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MS1861 BOTTOM RAIL DEADBOLT
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.
FUNCTION
The MS1861 lies horizontally in the bottom rail of ultra-narrow stile doors which have insufficient vertical space for a lock, or tempered glass doors which have no stile at all. The hardened steel cylindrical bolts allow simple drilled strike holes of a relatively small size to minimize the nuisance and danger presented by some threshold strikes in collecting debris or snagging on high-heeled shoes. MS1861-02 locks either single-leaf or pairs of doors. Not recommended for wood doors.
OPERATION
360° turn of key or thumbturn projects or retracts bolt(s). 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.
FEATURES & BENEFITS
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" x 6" x 1-13/16" [25.4 mm x 152.4 mm x 46.0 mm]. Steel with corrosion-resistant plating.
Bolt: 3/8" [9.5 mm] diameter. Stainless steel vertical threshold bolt has 13/16" [20.6mm] throw. Hardened steel horizontal bolt has 1-1/8" [28.6 mm] throw.
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.
Shipping Weight
- MS1861-01: 1-3/4 lbs [0.79 kg]
- MS1861-02: 2 lbs [0.91 kg]
OPTIONS
- Vertical bolt only (-01)
- Vertical and horizontal bolts (-02)
DOCUMENTS
Manufacturer Resources
Product Specs
- Category:
- Mechanical Locks
- Product Group:
- Mechanical Locks
- Series:
- MS1861 Series
- Grade:
- Grade 1
- Cylinder Included:
- No
- Warranty:
- 5 Year
- Product Subgroup:
- Bored Locksets
- Product Type:
- Deadlocks
- Subcategory:
- Deadlocks
- Strike:
- 7/16"
- Commercial/Residential:
- Commercial
- Backset:
- 2-1/4"
- Dimensions:
- 1" x 6" x 1-13/16"
- Product Model:
- MS1861