Grade 1 Commercial Mortise Lock Set

⭐ Key Features

•GRADE 1 CERTIFIED, FIRE-RATED STRENGTH: ANSI/BHMA A156.13 Grade 1 certified and UL listed for a 3-Hour fire rating (ANSI/UL 10C No. R40842). Engineered for apartment corridors and heavy-traffic multi-family doors that cannot afford to fail.

•F20 APARTMENT CORRIDOR FUNCTION: Deadbolt operates by key outside or turn inside, locking the latchbolt with it; a switch toggle locks or unlocks the outside lever. Inside lever always retracts both bolts for immediate egress, outside stays secured.

•SOLID 304 STAINLESS STEEL ESCUTCHEON: Solid-cast satin stainless steel escutcheon panel, 1-15/16" x 8", with matching lever handle. Resists corrosion, scratching, and daily wear far beyond standard residential locksets.

•WIDELY COMPATIBLE, EASY RETROFIT: 3-5/8" cylinder-to-spindle spacing and 2-3/4" backset match most commercial mortise lock cases, dropping into existing door prep with minimal modification. Fits doors 1-3/4" up to 2-3/8" thick.

•BUILT TO LAST, BACKED BY OAKMOORE: Auxiliary deadlocking latch resists shimming; 6-pin Type C keyway cylinder included with 3 keys. Backed by Oakmoore's long-life warranty and dedicated US-based support.

🛠️ Specifications

• Brand : OAKMOORE
• Unit : 1 Count
• Color : Silver
• Included components : Installation Hardware, Fitting Instructions, Keys (where applicable)
• Number of items : 1
• Package quantity : 1
• Recommended uses for product : apartment corridors, multi-family housing, commercial buildings, high-traffic entries, office buildings, storefronts, condos, institutional properties
• Special features : Auto-Lock
• Style : Mortise Lock
• Type : LOCK
• Item dimensions : H: 4.0 / L: 8.0 / W: 5.0
• Package dimensions : H: 5.7 / L: 11.3 / W: 6.1 (Weight: 7.67)

📋 Product Description

Oakmoore's Grade 1 Escutcheon Mortise Lock Set is commercial-grade hardware built for doors your business depends on: apartment corridors, multi-family housing, and other high-traffic entries where reliability isn't optional. This is an F20 apartment corridor function lock. The deadbolt is operated by key from outside or turn from inside, and projecting it deadlocks the latchbolt against shimming. A switch toggle independently locks or unlocks the outside lever, so managers can secure or free a corridor door without touching the deadbolt. The inside lever always retracts both bolts for immediate egress, while the outside stays locked — the self-locking behavior corridor doors need. Certified to ANSI/BHMA A156.13 Grade 1, the industry's highest commercial rating, and UL listed for a 3-Hour fire rating (ANSI/UL 10C No. R40842), this lockset meets the standards facility managers require, the same grade used across multi-family housing. Every working part that matters is solid: a solid-cast, satin stainless steel escutcheon panel (1-15/16" x 8") and matching lever resist corrosion, scratching, and daily wear. Inside, a 1" throw stainless deadbolt and a 3/4" throw one-piece stainless latchbolt with an anti-friction curved design reduce strike wear and extend cycle life. Installation is straightforward. A 3-5/8" cylinder-to-spindle spacing and 2-3/4" backset match most commercial mortise cases, retrofitting existing door prep with little modification. Field reversible for left- or right-hand doors, fitting standard 1-3/4" doors, up to 2-3/8" thick. Ships with a 6-pin Type C keyway cylinder and 3 keys, keyed different as standard. Oakmoore builds commercial hardware for American businesses that need it to simply work, year after year. Every mortise lock is backed by our long-life warranty and US support, a real team stands behind the product. Grade 1 strength. Fire-rated compliance. Built for corridor doors. Hardware you install once and stop thinking about.