Corbin Russwin ML2000 Grade 1 ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$7.75

Corbin Russwin ML2000 Grade 1 Adapter Plate Screw for 2-1/4" Door

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Model: 382F48-8

In Stock (leaves warehouse same day if ordered before 3pm ET)

$7.75
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Corbin Russwin 382F48-8 ML2000 Adapter Plate Screw Pack for 2-1/4" Door

Commercial-Grade Replacement Screw Pack for ML2000 Series Mortise Locksets

The Corbin Russwin 382F48-8 is a purpose-built adapter plate screw pack designed specifically for use with the ML2000 Series mortise locksets on doors with a 2-1/4" door thickness. This commercial-grade hardware accessory ensures a secure and precise fit for ML2000 adapter plate installations, maintaining the integrity and performance of your Corbin Russwin mortise lock assembly. Engineered to meet the demands of commercial and institutional facilities, this screw pack is an essential replacement or supplemental component for ML2000 Series applications.

Professional Features & Benefits

  • ANSI/BHMA Grade 1 mortise lock per A156.13 Series 1000, Operational and Security Grade 1
  • UL Cycle above and beyond: 14.5 Million Cycles (Verification ID: V875753)
  • Patented Quick Reversible latchbolt — reverse handing without disassembling the lock case
  • Multi-function capability: 12 functions configurable from one ML2054 lockbody
  • Heavy-gauge steel lockcase 5-7/8" x 4" x 15/16"; 1" stainless steel deadbolt, 1" throw
  • 3/4" (19mm) throw anti-friction two-piece latchbolt requires less force to close
  • Wide variety of trim designs including Muséo®, Vineyard™, Behavioral Health (BHSS/BLSS)
  • Status indicator options for locked/unlocked visibility (sectional and escutcheon trim)
  • Motorized Electric Latch Retraction (MELR) available for ML20900 series
  • Thru-bolted trim designs for proper alignment and increased security
  • Can be used with new or existing Corbin Russwin key systems; accepts most other manufacturers' cylinders
  • UL/cUL listed, UL10C positive pressure; 3-hour fire door up to 4' x 10' single or 8' x 10' pair
  • Ten-year mechanical warranty; five-year MELR; two-year electrical

Technical Specifications

  • Grade: ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1
  • Handing: Handed; quick reversible — re-handed without disassembling the lock case
  • Door Thickness: 1-3/4" (44mm) standard; optional thicknesses available
  • Backset: 2-3/4" (70mm)
  • Lockcase: Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
  • Armored Front: Wrought brass, bronze, or stainless steel, 8" x 1-1/4"
  • Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" (19mm) throw
  • Auxiliary Latchbolt: 9/16" (14mm) effective throw; deadlocking
  • Deadbolt: One-piece stainless steel, 19/32" x 1-1/4" x 1" (25mm) throw
  • Strike: Wrought brass, bronze, or stainless steel, ANSI straight lip, 4-7/8" x 1-1/4" x 1-1/8" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm); knob/lever to thumbturn: 2-7/16" (62mm)
  • Certifications: ANSI/BHMA A156.13 Grade 1; UL/cUL UL10C 3-hour positive pressure; ADA A117.1; California State Fire Marshal; Windstorm/Hurricane certified
  • Warranty: Ten-year mechanical; five-year MELR; two-year electrical

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Government and Municipal Buildings
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties

Why Choose Corbin Russwin Quality?

Corbin Russwin lock parts and accessories are manufactured to the same exacting standards as their full ANSI/BHMA Grade 1 commercial hardware product lines, ensuring consistent performance and reliable fitment across mortise lock assemblies. The ML2000 adapter plate screw pack is purpose-engineered for 2-1/4" door thickness applications, providing the precise fastening solution needed to maintain the integrity of ML2000 Series installations. Trusted by commercial and institutional facilities professionals, Corbin Russwin hardware delivers dependable quality for the most demanding door hardware environments.

Product Specs

Product Group:
Lock Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Screw Pack
Commercial/Residential:
Commercial
Subcategory:
Parts and Accessories
For Use With:
ML2000
Product Function:
Screw
Department:
Door Hardware

Corbin Russwin 382F48-8 – Frequently Asked Questions

1) What is the Corbin Russwin 382F48-8 screw pack actually for?
It is the adapter plate screw pack for Corbin Russwin ML2000 Series mortise locksets installed in a 2-1/4 inch thick door. The screws are the fasteners that hold the adapter plate, not the lock case or the trim. If you are ordering a complete lock, this is not it, it is a replacement or supplemental fastener pack for an ML2000 install.
2) Will the 382F48-8 screws work on a standard 1-3/4 inch commercial door?
No. These screws are cut for a 2-1/4 inch door thickness. ML2000 locksets ship standard for 1-3/4 inch (44mm) doors, so a 1-3/4 inch opening takes the standard-length screws, not this pack. Order the screw pack that matches the actual door thickness, since screws too long will bottom out or stand proud of the trim.
3) I am replacing a mortise lock on a 2-1/4 inch thick door, what else do I need besides longer screws?
On a thicker-than-standard door the ML2000 needs the matching adapter plate hardware and thru-bolted trim fasteners sized for that thickness. This pack covers the adapter plate screws for 2-1/4 inch doors. The ML2000 trim is thru-bolted by design for alignment and security, so the fastener length has to match the door or the trim will not pull up tight.
4) Does using a 2-1/4 inch door screw pack affect the fire rating of an ML2000 lock?
The ML2000 Series is UL/cUL listed to UL10C positive pressure and rated for 3-hour fire doors up to 4 ft x 10 ft single or 8 ft x 10 ft pairs. Using the manufacturer's own adapter plate screws for the door thickness you have is what keeps that listing intact; substituting hardware-store fasteners on a rated opening does not.
5) Are these screws only for one ML2000 function or lock model?
They fit ML2000 Series mortise lock adapter plate applications generally, not one function code. The ML2054 lockbody alone covers 12 configurable functions, and the adapter plate fastening is common across the series. What determines the screw you need is door thickness, not the lock function or handing.
6) Is this a commercial or residential grade part?
Commercial. It belongs to the ML2000 mortise line, which is ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1, with UL cycle testing verified at 14.5 million cycles. It is the fastener you use on office, school, healthcare, and government openings, not a residential fix.
7) Do I need to worry about handing when ordering ML2000 adapter plate screws?
No. Handing does not change the fastener. The ML2000 uses a quick reversible latchbolt that re-hands without opening the lock case, and the adapter plate screws are the same either hand. Door thickness is the only variable that matters for this pack.
How fast can I get the Corbin Russwin 382F48-8 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Corbin Russwin 382F48-8 come with a warranty?
Absolutely. The Corbin Russwin 382F48-8 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Corbin Russwin 382F48-8?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Corbin Russwin 382F48-8 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.