Adams Rite MS1861-02 Two Point...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$131.86
Adams Rite MS1861-02 Two Point Bottom Rail Deadlock with Zinc Plated Finish

Adams Rite MS1861-02 Two Point Bottom Rail Deadlock with Zinc Plated Finish

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Model: MS1861-02-603

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

$131.86
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Adams Rite MS1861-02 Two Point Bottom Rail Deadlock with Zinc Plated Finish

Ultra-Narrow Stile Two-Point Locking Solution

The Adams Rite MS1861-02 two-point bottom rail deadlock delivers maximum security for ultra-narrow stile and all-glass doors where conventional lock installation is not possible due to space constraints. This MS Series deadbolt features hardened steel bolts with both horizontal and vertical locking points, engineered with a reliable over-center/pivot locking mechanism. The cylinder centerline is positioned at 5-3/4" from nose with case dimensions of 1" x 6" x 1-13/16" in corrosion-resistant steel construction.

Professional Features & Benefits

  • Specifically engineered for narrow stile aluminum doors
  • Hollow metal and wood door options available
  • Accepts standard Adams Rite MS® cam mortise cylinders
  • Multiple finish options: US3, US4, US10B, US32, US32D
  • UL Listed models available
  • Compatible with Adams Rite electric strikes for access control
  • An ASSA ABLOY Group brand

Technical Specifications

  • For complete technical specifications, contact Adams Rite at 1-800-626-7590 or visit adamsrite.com.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including ultra-narrow stile compatibility and material suitability for metal or tempered glass aluminum storefront systems.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately, ensuring cylinder centerline positioning at 5-3/4" from nose.
  3. Prepare door and frame by drilling required 7/16" holes in metal threshold or jamb and routing for 6-7/8" x 1" faceplate installation.
  4. Install case assembly in door with proper alignment for both vertical and horizontal bolt operation, securing with provided mounting hardware.
  5. Install standard 1-5/32" mortise cylinder with MS cam, ensuring proper 360° operation and key removal only in locked/unlocked positions.
  6. Test both vertical and horizontal bolt operation to verify proper throw distances (13/16" vertical, 1-1/8" horizontal) and smooth over-center pivot mechanism function. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Ultra-Narrow Stile Storefront Systems
  • All-Glass Door Installations
  • Metal Frame Commercial Entrances
  • Tempered Glass Aluminum Systems
  • Retail Storefront Security
  • Commercial Building Entrance Points
  • Space-Constrained Door Applications

Why Choose Adams Rite Quality?

Adams Rite MS Series deadlocks deliver professional-grade security with hardened steel bolt construction and corrosion-resistant steel case engineering. The reliable over-center/pivot locking mechanism provides maximum security performance even in ultra-narrow stile applications where space is at a premium. Engineered specifically for demanding commercial storefront applications where conventional locking solutions cannot be accommodated.

Manufacturer Resources

Adams Rite Product Catalog

Product Specs

Product Group:
Parts and Accessories
Product Category:
Parts and Accessories
Department:
Door Hardware
Commercial/Residential:
Commercial
Product Subgroup:
Parts and Accessories
Product Type:
Parts and Accessories

Adams Rite MS1861-02-603 – Frequently Asked Questions

1) Will the Adams Rite MS1861-02 work on an all-glass or ultra-narrow stile aluminum door?
That's exactly what the MS1861-02 is built for. It's a bottom rail deadlock for ultra-narrow stile and all-glass doors where there isn't room in the stile for a conventional deadlock. The case measures 1 x 6 x 1-13/16 inches and mounts in the bottom rail rather than the vertical stile, which is what makes it fit openings that won't take a standard MS deadlock. Hollow metal and wood door versions are also offered.
2) What does two-point locking mean on the Adams Rite MS1861-02 deadlock?
Two bolts throw from one turn of the key. One goes vertical, down into the threshold, and one goes horizontal into the jamb. The vertical bolt throws 13/16 inch and the horizontal bolt throws 1-1/8 inch, both hardened steel, driven by an over-center/pivot mechanism. On a glass door bottom rail that matters, because a single horizontal bolt in a thin rail is the weak point; pinning the door to the floor as well takes the pry attack out of it.
3) What door and threshold prep does the Adams Rite MS1861-02 bottom rail deadlock need?
Three things. Rout the rail for a 6-7/8 x 1 inch faceplate, drill a 7/16 inch hole in the metal threshold for the vertical bolt and in the jamb for the horizontal bolt, and locate the cylinder hole on the 5-3/4 inch centerline from the nose. Use the Adams Rite template rather than measuring off the case; the two bolts have to land in their holes at the same time or the over-center mechanism binds.
4) What cylinder do I need to order with an Adams Rite MS1861-02 deadlock?
A 1-5/32 inch mortise cylinder with an Adams Rite MS cam. It isn't included, so it goes on the order separately. Standard 1-1/8 inch mortise cylinders with a straight or Yale cam won't drive this lock, and neither will a standard-length cylinder with an MS cam retrofitted; the MS cam profile and the 1-5/32 inch length go together. Keyed one side, the key pulls out only at the fully locked or fully unlocked position after a 360 degree turn, so there is no partial-throw state to leave the door in.
5) Can I put the Adams Rite MS1861-02 on card access or a buzz-in system?
Not directly. The MS1861-02 is a mechanical key-operated deadlock, and its vertical bolt drops into the threshold where no electric strike can reach it. Adams Rite electric strikes work with the MS Series for access control, but that's a horizontal-latch arrangement. If the opening needs to release electrically, a two-point bottom rail deadlock is the wrong device for it, and you want a single-point MS deadlatch paired with an Adams Rite electric strike instead.
6) I'm replacing a lock in a glass door bottom rail. Will the MS1861-02 drop into the existing prep?
Only if the existing prep already matches. Check three numbers against what's cut in the rail: a 6-7/8 x 1 inch faceplate pocket, the cylinder hole 5-3/4 inches from the nose, and a 7/16 inch hole in the threshold below it. Rails prepped for another MS1861 variant will take it. Rails prepped for a single-point deadlock won't, because there's no threshold hole and the faceplate length is different, and a bottom rail is not something you want to be enlarging in place on tempered glass.
7) What finish is the MS1861-02-603 and what else does the MS1861-02 come in?
The -603 suffix is zinc plated, a raw-utility finish that's normally fine on a bottom rail because the lock sits below sightline behind the rail. If the faceplate will show, the MS1861-02 is also made in US3 bright brass, US4 satin brass, US10B oil-rubbed bronze, US32 bright stainless and US32D satin stainless. On aluminum storefront, US32D is the usual match to a clear or brushed rail.
8) Is a two-point bottom rail deadlock better than a standard narrow stile deadbolt for a storefront?
It depends on what's holding the door. A conventional MS deadbolt in the vertical stile is simpler to install and service, and it's the right call whenever the stile has room for it. The MS1861-02 exists for the case where it doesn't: an ultra-narrow stile or an all-glass door with only a bottom rail to work with. You pay for that with threshold prep, a floor hole that has to stay clear of debris, and a lock that can't be released electrically. Fit decides it, not security level.
9) Does the Adams Rite MS1861-02 come with a strike or strike box?
No strike ships with it. Both bolts land in drilled 7/16 inch holes, one in the metal threshold and one in the jamb, not in a surface strike plate. That's a difference worth catching if you're used to glass door locks that need a strike box, like the Codelocks CL4000-RSB box used with the CL4000 and CL4500 glass door locks. On the MS1861-02 the prep is the strike.
10) Is the Adams Rite MS1861-02 deadlock rated for commercial use?
It's a commercial-duty device, built for storefront and commercial entrances with a hardened steel bolt and a corrosion-resistant steel case. UL Listed models are made in the MS1861 family, so if the opening is a fire or labeled door, specify the UL Listed version by part number when you order rather than assuming the standard build carries it.
11) Is the Codelocks glass door strike box an alternative to the Adams Rite MS1861-02 two point deadlock?
No - they do different jobs on a glass door opening. The Adams Rite MS1861-02 is a two point bottom rail deadlock with hardened steel bolts that throw both vertically and horizontally, 13/16 inch vertical and 1-1/8 inch horizontal, with the cylinder centerline at 5-3/4 inch from the nose and a case measuring 1 inch by 6 inch by 1-13/16 inch. It is the locking device itself, mounted in the door. The Codelocks CL4000-RSB is a glass door strike box, the receiving component made for use with the CL4000 or CL4500 glass door locks - it accepts a bolt rather than throwing one, and it is matched to those Codelocks lock bodies, not to an Adams Rite MS bolt. If you are locking an ultra narrow stile or all glass door with an MS series bolt, the MS1861-02 is the lock; the strike box belongs to a different lock family.
How fast can I get the Adams Rite MS1861-02-603 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 Adams Rite MS1861-02-603 come with a warranty?
Absolutely. The Adams Rite MS1861-02-603 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 Adams Rite MS1861-02-603?
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
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