Corbin Russwin ML2058 ASA Entrance or Office Holdback Mortise Lock

Corbin Russwin ML2058 ASA Entrance or Office Holdback Mortise Lock

Function: Entrance or Office Holdback 
• Latchbolt by grip either side, unless outside grip is locked.
• Outside grip locked or unlocked by key or thumbturn.
• Latchbolt retracted by key outside when outside grip is locked.
• Latchbolt can be held in a retracted position by key or thumbturn, or released by key or thumbturn.
• Auxiliary latch deadlocks latchbolt.
• Inside grip always free.
Note: Not Listed for use in fire rated applications.

Handing: Handed; quick reversible. The lockset can be re-handed without disassembling the lock case

Door Thickness: 1-3/4" (44mm) standard. Optional door thicknesses available

Backset: 2-3/4" (70mm).

Lockcase: Heavy-gauge 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). Furnished 1-1/16" (27mm), optional D138, wide for 1-3/8" (35mm) doors.

Armored Front: Wrought brass, bronze or stainless steel attached by machine screws to lockcase front.
ML2000VR utilizes security Torx® screws.

Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" (16mm) x 1" (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.

Hub: Standard knob/lever hub is steel, 5/16" (8mm)

Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm).
C. to c. knob/lever to thumbturn: 2-7/16" (62mm).

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, 6-pin, L4 keyway, standard. Optional cylinders available.

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 cylinder,
Access 3® cylinder, Pyramid cylinder, Interchangeable core (LFIC or SFIC), Security LFIC, Pyramid LFIC,
Access 3® LFIC, Master ring cylinder, Flex head cylinder

Warranty: Ten-year limited.

Certification/Compliance*

ANSI/BHMA
Certified A156.13 Series 1000, Operational and Security Grade 1. Meets A117.1 Accessibility Code.

UL/cUL-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 (3 hour fire door). Letter F and UL symbol on armored
front indicate listing.

Any retrofit or other field modification to a fire rated opening can potentially impact
the fire rating of the opening, and Corbin Russwin, Inc. makes no representations or warranties concerning what such impact may be in any specific situation. When
retrofitting any portion of an existing firerated opening, or specifying and installing
a new fire-rated opening, please consult with a code specialist or local code official
(Authority Having Jurisdiction) to ensure compliance with all applicable codes and ratings.

California State Reference Code
(Formerly Title 19, California State Fire Marshal Standard)
All levers with returns, return to within
1/2" (13mm) of door face.

Windstorm/Hurricane
Certified (refer to local codes).

*Any undated reference to a code or standard appearing in the this catalog shall be interpreted
as referring to the latest edition of that code or standard.

Model: Corbin Russwin ML2058 ASA 626, ML2058 ASA 630, ML2058 ASA 605, ML2058 ASA 606, ML2058 ASA 612, ML2058 ASA 613, ML2058 ASA 619, ML2058 ASA 625, ML2058 ASA 626 CL6, ML2058 ASA 630 CL6, ML2058 ASA 605 CL6, ML2058 ASA 606 CL6, ML2058 ASA 612 CL6, ML2058 ASA 613 CL6, ML2058 ASA 619 CL6, ML2058 ASA  625 CL6, ML2058 ASA 626 LC, ML2058 ASA 630 LC, ML2058 ASA 605 LC, ML2058 ASA 606 LC, ML2058 ASA 612 LC, ML2058 ASA 613 LC, ML2058 ASA 619 LC, ML2058 ASA 625 LC