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Corbin Russwin LB-ML2058 Entrance or Office Holdback Function Mortise Lock Body
Lock Operation Detailed
- 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.
The Corbin Russwin LB-ML2058 is the bare ML2000 Series heavy-duty mortise lock body (case only) configured for the Entrance or Office Holdback function. Price Book No. 42 page 106 Lock Only sells this as trim key LL (Lever x Lever): it includes the lockcase, armored front, strike and screw pack. Cylinder(s) and thumbturn lever are not included. Order the complete lockset when you need levers, roses, or escutcheons on the same opening.
Entrance Function -- What It Means
The Entrance or Office Holdback function lets a key or thumbturn lock or unlock the outside grip. Latchbolt by grip either side unless the outside grip is locked. When the outside is locked, the latchbolt is retracted from outside by key. The latchbolt can be held in a retracted position by key or thumbturn, or released by key or thumbturn. The inside grip is always free for egress. An auxiliary latch deadlocks the latchbolt when the door is closed. The catalog prints that this function is not listed for use in fire rated applications.
Institutional Grade Features and Benefits
- Case only -- LL Lever x Lever. This listing is the lockcase, not a complete lockset. Rebuild an existing ML2000 opening without buying new exterior trim.
- What ships. lockcase, armored front, strike and screw pack, per Corbin Russwin List Price Book No. 42 p.106 Lock Only.
- What does not ship. Cylinder(s) and thumbturn lever are not included.
- Grade 1 chassis. A156.13 Series 1000, Operational and Security Grade 1
- Handing. Specify LH, RH, LHR, or RHR. The lock case is quick reversible.
Lock Body
Parts list -- click to enlarge
Parts illustration -- click to enlarge
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or BSP - Black Suede Powder Coat or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 619 - US15 Satin Nickel or 625 - US26 Polish Chrome or 629 - US32 Polish Stainless or WSP - White Suede Powder Coat or 611 - US9 Bright Bronze or 618 - US14 Bright Nickel or 722 - Black Oxidized Bronze, Oil Rubbed |
| Door Handing | LH or RH or RHR or LHR |
| Brand | Corbin Russwin |
| Series | Corbin Russwin - ML2000 Series |
| Part Type | Lock Body |
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