Toggle menu
FREE shipping over $500
877-365-5625
  • 0
  • Shop by Industry
  • Locks
  • Electronics
  • Exit Devices
  • Hardware
  • Manufacturer
  • Safes
  • Key Machine
  • Shop by Brand
  • Corbin Russwin
  • Von Duprin
  • Best
  • Schlage
  • Sargent
  • Stanley Hardware
  • Rixson
  • Falcon
  • Yale
  • PHI
  • View all Brands
  • Shop by Industry
  • Locks
  • Electronics
  • Exit Devices
  • Hardware
  • Manufacturer
  • Safes
  • Key Machine

    • Shop by Brand

  • Corbin Russwin
  • Von Duprin
  • Best
  • Schlage
  • Sargent
  • Stanley Hardware
  • Rixson
  • Falcon
  • Yale
  • PHI
  • View all Brands

    • Corbin Russwin

    Authorized Corbin Russwin Distributor | In Stock & Ready to Ship

    Expert Field Guide: Why Maintenance Teams Choose Corbin Russwin

    When you walk into a K-12 school or a state university, the odds are high that you're looking at Corbin Russwin. In the world of commercial door hardware, Corbin is the "heavy metal" alternative to Schlage. While Schlage is the king of the commercial office, Corbin Russwin is built for the environments where hardware doesn't just get used—it gets abused. The problem most installers face with cheaper Grade 1 alternatives is "lever sag" and internal spring fatigue. Corbin Russwin solved this with their CL3300 and ML2000 series by overbuilding the chassis. If you've ever had to replace a sagging Grade 2 lever on a classroom door every six months, you know that the "savings" on the front end disappear the first time you have to drive back to the job site for a callback.

    What makes Corbin Russwin stand out from competitors like Sargent or Yale is their commitment to a massive, rigid feel. Their ML2000 mortise lock is a beast; unlike some Sargent 8200 series that can feel a bit "clicky," the Corbin throw is smooth and substantial. Where Corbin really wins the job is in the field-reversibility. If you've ever been on a job site with a box of mortise locks and realized the handing was ordered wrong, you know the dread of opening a lock case and watching springs fly everywhere. The ML2000 is one of the only mortise locks you can re-hand in under two minutes without ever taking the cover off. It's that kind of installer-focused engineering that makes them the backbone of industrial and educational facilities.

    The "cheat sheet" for the brand is simple: if you need a heavy-duty cylindrical workhorse, you go with the CL3300. For high-security institutional doors, the ML2000 mortise is the standard. If you're dealing with life-safety exits, the ED5000 series push bars offer a low-profile design that doesn't catch on carts or equipment. And for those restricted systems, their Russwin D1 and L4 keyways remain some of the most widely used master key platforms in the country. At Lock Depot, we don't just sell the hardware; we understand the bitting classes and the handing requirements to ensure your facility stays in code. Lock Depot sells brand new Corbin Russwin products with the full manufacturer warranty.

    Corbin Russwin Series Comparison

    Series Application ANSI Grade Key Differentiator Price
    ML2000 Series Institutional Mortise Grade 1 Quick-reversible latch; 50+ functions —
    CL3300 Series Heavy-Duty Cylindrical Grade 1 Ultra-rugged internal "torque" spring —
    ED5000 Series Exit / Panic Device Grade 1 Low-profile push pad; quiet operation —
    DC6000 Series Commercial Closer Grade 1 Cast iron body; precise valve control —
    Access 800 Electronic Standalone Grade 1 Combines ML2000 strength with keypad —

    Pro-Tip: The "Rose Diameter" Cover-Up

    One of the best "installer hacks" with Corbin Russwin is utilizing their larger rose diameters. If you are retrofitting a door where a previous Grade 2 lock was installed incorrectly—or if there is "scarring" on the wood or hollow metal from an old 2-1/8" prep—the Corbin CL3300 roses are typically large enough to cover the damage completely. Before you reach for a "goof plate" or a wrap-around plate that looks ugly, try a Corbin lever. It's the cleanest way to hide a bad previous install while upgrading the customer to Grade 1 security.

    Frequently Asked Questions

    Is the Corbin ML2000 mortise lock field-reversible?

    Yes. The ML2000 features a unique "Quick Reversible" latchbolt. You can change the hand of the lock in seconds by simply using a screwdriver to depress the catch and rotate the latch—no need to open the case and risk losing internal springs.

    What is the difference between CL3300 and CL3500 series?

    While both are Grade 1, the CL3300 is the "Heavy Duty" flagship with a sturdier internal chassis designed for high-traffic corridors. The CL3500 is a "Medium Duty" Grade 1, which is more compact and better suited for interior office doors that don't see constant abuse.

    Can I get Corbin Russwin hardware keyed to my existing Russwin D1 system?

    Yes. We specialize in providing locks "Less Cylinder" or factory-keyed to your specific bitting. Whether you are on an old Russwin D1, a Corbin 60, or a modern L4 system, we can coordinate the master keying to match your facility's current requirements.

    Do Corbin door closers have the same hole pattern as LCN or Norton?

    Not usually. While they perform the same task, Corbin DC6000 series closers have a unique mounting footprint. If you are retrofitting from an LCN 4040XP or a Norton 7500, you will likely need to drill new holes. Always use the provided template to ensure the arm geometry is correct.

    How do I know if I need the "Rigid" lever option?

    Most Corbin Russwin Grade 1 levers are "rigid," meaning they don't move when locked. This is a security feature to prevent vandals from puting excessive torque on the internal locking mechanism. If your customer prefers the handle to "freewheel" when locked, you'll want to look at the Schlage Vandlgard equivalent or specific Corbin functions designed for that purpose.

    Compare Selected