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Corbin Russwin ML2057-HSS Grade 1 Anti-Harm (Anti-Ligature) Mortise Knob Lockset - Storeroom Function, Select Finish, Select Handing
Corbin Russwin ML2057HSS series is a Grade 1 mortise lock designed to meet the rigors of high-traffic commercial, institutional, industrial, and government applications. Constructed of heavy-gauge steel, the lockbody features our patented Quick Reversible latchbolt, and a 1" stainless steel deadbolt. A wide variety of trim designs and functions and a 10-year warranty lend to the ML2000's versatility and reliability. This lock features vandal-resistant stainless steel escutcheons with tapered edges and Torx ® ptamper-resistantant screws. When matched with Corbin Russwin patented high-security Pyramid cylinders, any door can become a formidable barrier to intruders
Corbin Russwin, Commercial Door Hardware, Anti Ligature, Mortise Door Locks.
Features:
- Storeroom or Closet function: Patented Quick Reversible feature enables reversal of hands without disassembling the lock case (Patent #6,349,982)
- Latchbolt by grip inside or by key outside
- The outside grip is always rigid
- Auxiliary latch deadlocks latchbolt
- The inside grip is always free
- Security trims provide a vandal-resistant barrier
- Can be used with new or existing Corbin Russwin key systems, including patented high-security Pyramid cylinders. (Patent #6,125,674). Also accepts cylinders of most other manufacturers
- Provides life safety and security in a single-door prep, saving the additional cost of a deadlock
- Through-bolted trim designs for proper alignment and increased security
Handing: |
Handed; quick reversible. The lockset can be re-handed without disassembling the lockcase |
Door Thickness: |
1-3/4" (44mm) standard |
Backset: |
2-3/4" (70mm) |
Lockcase: |
Heavy-gauge chrome plated steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm) |
Front: |
Heavy gauge steel, 8" (203mm) x 1-1/4" (32mm) x 3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm) |
Armored Front: |
Wrought brass, bronze, or stainless steel attached by machine screws to lockcase front |
Latchbolt: |
2-piece mechanical anti-friction insert, 5/8" (16mm) x l" (25mm) x 3/4" (19mm) throw |
Auxiliary Latchbolt: |
9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking |
Deadbolt: |
One-piece stainless steel, 19/32" (15mm) x 1-1/4" (32mm) x 1" (25mm) throw |
Occupancy Indicator: |
Occupancy indicators for use with ML2000 x sectional trim. Design features option for dual indicators on double cylinder functions, confirming door is secured from either side. Emergency override standard for all non-keyed functions |
Hub: |
Knob: stainless steel, 9/32" (7mm) x 9/32" (7mm) |
Spacing: |
C. to c. knob/lever to cylinder: 3-5/8" (92mm) |
Strike: |
Wrought brass, bronze, or stainless steel ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. Optional strikes, lip lengths, and ANSI wrought strike box available |
Cylinder: |
Brass, fixed 6-pin conventional fixed core cylinder, L4 keyway (Standard) |
Keys: |
Two nickel silver standard |
Keying features available: |
Master keying | Construction master keying | Visual key control | Concealed key control | Plug only to show (concealed shell) | 7-pin cylinder | Security | Security (IC) | Pyramid (FC) | Pyramid (IC) | Interchangeable core (IC) | Master ring cylinder | Blockout cylinder | Flex head cylinder |
Warranty: |
One-year limited warranty |
ANSI: |
Meets A156.13 Series 1000, Operational and Security Grade 1 |
Federal: |
Meets FF-H-106C |
UL /ULC-UL10C Positive Pressure: |
All locks listed for A label and lesser class doors, 4' (122cm) x 10' (305cm) single or 8' (244cm) x 10' (305cm) pair. Letters F and UL symbol on the armored front indicate listing |
California State Reference Code: |
All levers with returns, return to within l/2" of the door face |
Windstorm/Hurricane: |
Certified (refer to local codes) |