Cal-Royal NM8453 Grade 1 Entrance Mortise Lock with Deadbolt

Cal-Royal NM8453 Grade 1 Entrance Mortise Lock

• BHMA Certified Lifetime Warranty, GRADE 1
• Conforms to federal specification type 86; and to all dimensional and operational performances of ANSI A156.13-1 80, Series 1000, Extra Heavy Duty
• UL listed 3-hour rating, conforms to standards UL10C and UBC 7-2-1997
• Rust-proof heavy duty 2 ¾" backset lock case
• Individual spring to prevent lever sag, easily reversible
• Forged brass lever handles exceed requirements of ADA (American Disability Act)
• Auxiliary latch bolt
• Armored front plate conceals lock mounting screws
• 1" throw heavy duty deadbolt with anti-saw hardened pins
• Heavy duty ¾" latch bolt with anti-friction latch, easily reversible
• Conforms & Meets ADA Regulations

Function:

• Latch bolt retracted by lever from either side unless outside lever is locked by operating toggle button
• Deadbolt projected by key from outside or by thumbturn from inside
• Both deadbolt and latch bolt are retracted by inside lever simultaneously
• Latch bolt is deadlocked when outside lever is locked or when deadbolt is projected
• Outside lever is unlocked by toggle button if deadbolt is retracted
• Inside lever is always free for immediate egress