The Bottom Rail Deadbolt is usually used on storefront doors where the stile does not have enough room for a standard vertical lock or on glass doors that don't have a stile at all. Instead, this deadbolt is installed on the bottom of a door and locks into the threshold. A Grade 1 Lock, it accepts standard 1-5/32 inch diameter Mortise Thumbturns and Mortise Lock Cylinders (Lock Cylinders NOT Included).

Also Available MS1861 Dual Locking Bottom Rail Deadlock

Features of the MS1861 Bottom Rail Deadbolt:

• ANSI Grade 1 Lock.
• Non-Handed
• Key can be removed only when bolt is in a positively locked or unlocked position.
• The Bottom Rail Deadbolt can be used with with any standard 1-5/32” diameter mortise cylinder from either (or both) sides. The Cylinder must have MS dimensioned cam.
• The case is made from steel with corrosion-resistant plating.
• Bolt is made from hardened steel.
• Comes packaged with machine screws. Cylinders and/or thumbturns are Sold Separately. (Lock Cylinders NOT Included)

Specifications of the MS1861 Series MS Bottom Rail Deadbolt:

• Finish: Zinc Plated Steel
• Backset: minimum 2-1/4"
• Case Dimensions: Width - 1", Length - 6", Depth - 1-13/16”
• Latchbolt: Diameter - 3/8", Throw - 13/16"
• Adams Rite 1861 Installation Template and Dimensional Diagram (PDF)

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