Adams Rite MS1850S-X5X Laminat...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$82.00
$58.73
Adams Rite MS1850S-X5X Laminated Stainless Steel Hookbolt Deadlock for Sliding Narrow Stile Doors

Adams Rite MS1850S-X5X Laminated Stainless Steel Hookbolt Deadlock for Sliding Narrow Stile Doors

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Model: MS1850S-355-628
$82.00
$58.73
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$82.00
$58.73
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Adams Rite MS1850S-X5X Laminated Stainless Steel Hookbolt Deadlock for Sliding Narrow Stile Doors

Maximum Security Deadlock for Sliding Narrow Stile Aluminum Doors

The Adams Rite MS1850S-X5X Series MS® Deadlock provides maximum security for sliding narrow stile aluminum doors with its laminated stainless steel hookbolt design. This commercial-grade deadlock features a massive hookbolt measuring 5/8" x 1-3/8" with 13/16" throw, specifically engineered to resist the parting motion of sliding doors. The eight-ply laminated stainless steel construction includes an alumina-ceramic core center ply to defeat hacksaw attacks, while the over-center maximum security locking action prevents forced entry attempts in any direction.

Professional Features & Benefits

  • Pivoting deadbolt — positive dead-locking action
  • For narrow stile aluminum doors
  • Accepts any standard Adams Rite MS® cam mortise cylinder
  • Backset: 1-1/8" or 1-1/2"
  • Stainless steel or solid brass deadbolt
  • Adaptable faceplate for flat, radius, or beveled door edge
  • Field-reversible

Technical Specifications

  • Door Application: Narrow stile aluminum doors
  • Backset: 1-1/8" [28.6 mm] or 1-1/2" [38.1 mm]
  • Cylinder: Standard 1" length, 1-5/32" diameter mortise with MS® cam
  • Handing: Field reversible
  • Faceplate: Flat, radius, or beveled adaptable
  • Finishes: US3 (605) Bright Brass, US4 (606) Satin Brass, US10B (613) Dark Bronze, US32 (629) Bright Stainless, US32D (630) Satin Stainless

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and backset compatibility for this sliding door deadlock.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 1" x 6" case dimensions.
  3. Prepare door by cutting the required strike slot in the metal jamb and drilling mounting holes per manufacturer specifications.
  4. Install the deadlock case and secure with provided mounting screws, ensuring proper alignment with the strike opening.
  5. Install the 1" x 6-7/8" faceplate and verify smooth bolt operation through the full 13/16" throw range.
  6. Test the 360° key or thumbturn operation to verify proper bolt projection and retraction, confirming the key can only be removed in locked or unlocked positions. Refer to manufacturer documentation for complete installation details and cylinder specifications.

Professional Applications

  • Commercial Office Building Sliding Doors
  • Industrial Facility Access Points
  • Institutional Building Security Systems
  • Retail Store Sliding Entrances
  • Healthcare Facility Sliding Doors
  • Educational Institution Security Applications
  • Multi-Tenant Residential Sliding Doors

Why Choose Adams Rite Quality?

Adams Rite MS1850S Series deadlocks deliver professional-grade security with eight-ply laminated stainless steel construction and alumina-ceramic core protection rated for commercial applications. The Grade 1 performance rating and 5 Year warranty ensure reliable operation in demanding institutional and industrial environments. Engineered specifically for sliding narrow stile aluminum doors where maximum security and vandal resistance are essential.

Product Specs

Product Group:
Sliding Door and Barn Door Hardware
Series:
MS1850S Series
Grade:
Grade 1
Cylinder Included:
No
Warranty:
5 Year
Product Subgroup:
Deadlocks
Subcategory:
Deadlocks
Commercial/Residential:
Commercial
Product Model:
MS1850S
Product Dimension:
1" x 6" x depth
Face Plate:
1"
Door Strike:
Trim plate
Product Category:
Sliding Door and Barn Door Hardware
Backset (Distance):
7/8"
Department:
Door Hardware
Product Type:
Deadlocks

Adams Rite MS1850S-355-628 – Frequently Asked Questions

1) Will an Adams Rite MS1850S hookbolt deadlock actually secure a sliding aluminum storefront door?
That is exactly the job the hookbolt does. A sliding door fails by the leaves being pulled apart, and a straight deadbolt simply rides out of the keeper when that happens. The MS1850S throws a 5/8 x 1-3/8 inch laminated hookbolt with a 13/16 inch throw into a strike slot cut in the metal jamb, and the over-center locking action means force applied to the door works against the hook rather than backing it out. It is made for narrow stile aluminum doors, so the case has to go into an aluminum stile deep enough for the backset you order.
2) Does the Adams Rite MS1850S deadlock include a cylinder, and what cylinder do I need to order with it?
No cylinder is supplied with the MS1850S. It takes a standard mortise cylinder with the Adams Rite MS cam, 1 inch length and 1-5/32 inch diameter, and any standard MS cam mortise cylinder will drive it. That cylinder is also where the keying lives, so if the building runs a master key system, spec the cylinder in your keyway and to your system rather than treating the lock as the keyed part. The lock itself operates by key or thumbturn.
3) What backset do I order for an MS1850S deadlock, and how do I tell which one my door takes?
Four backsets are offered on the MS1850S: 7/8 inch, 31/32 inch, 1-1/8 inch and 1-1/2 inch. Backset is the distance from the door edge to the centerline of the cylinder hole, so the stile decides it, not preference. On a retrofit, measure from the edge of the stile to the center of the existing cylinder cutout and order to that number, because a mismatch puts the cylinder off the case and nothing lines up. On new prep, the backset has to be picked before the stile is machined.
4) Is the Adams Rite MS1850S handed, or will one lock work on doors sliding either direction?
Field reversible, so one lock covers doors running either direction. The order still carries a hand: LH or RHR, RH or LHR, or non-handed depending on the configuration chosen. For a property manager stocking spares across a building where sliders run both ways, that reversibility is what keeps it to one part number on the shelf instead of two.
5) My aluminum door has a beveled edge - which MS1850S faceplate should I specify?
Faceplate is its own choice on the MS1850S: flat, bevel, radius, radius with weatherstrip, or without faceplate. Match it to the profile of the stile edge you are cutting into so the plate sits flush against the door, a bevel plate on a beveled edge, radius on a radiused edge. The 'without faceplate' option ships the case on its own, which is the choice when the plate already on the door is staying put.
6) How well does the MS1850S hookbolt stand up to a hacksaw or a pry attack?
The bolt is eight-ply laminated stainless steel with an alumina-ceramic core ply through the middle, and that ceramic ply is there specifically to defeat a hacksaw blade rather than just slow one down. Against prying, the over-center action means load on the door drives the hook into the strike instead of camming it back out. The lock carries a Grade 1 rating and is a commercial spec, not a residential one.
7) What door and jamb prep does the MS1850S need before I can install it?
Two cuts. In the stile, a pocket sized to the 1 x 6 inch case plus its depth, with the plate cutout matched to the 1 x 6-7/8 inch faceplate. In the jamb, a strike slot in the metal so the hook has somewhere to swing into as it throws its 13/16 inch. Lay the mounting holes out from the manufacturer template rather than off the case itself, and confirm the stile is deep enough for the backset you ordered before any metal comes out.
8) Can I put an MS1850S hookbolt deadlock on a swinging aluminum door?
It is built for sliding narrow stile aluminum doors. The hookbolt pays off when the leaf travels parallel to the jamb and the attack is the doors being parted; on a swinging door the leaf pulls away from the frame and a straight deadbolt into a flat strike is the normal answer there. For a swinging narrow stile aluminum door, look for an MS deadlock with a straight deadbolt rather than a hook, in the backset your stile is already prepped for.
9) Can I standardize every sliding door in my building on the Adams Rite MS1850S?
Across a mixed building it works, provided the openings are narrow stile aluminum. The lock is field reversible so direction of travel does not split your stock, and it is offered in four backsets, 7/8 through 1-1/2 inch, so doors with different stile prep can still take the same model. Since the cylinder is bought separately, every door can be keyed into one existing system rather than arriving on random keys. What you cannot standardize blind is the backset and the faceplate profile, those get measured door by door.
10) How does the MS1850S key operate, and can the key be pulled with the bolt only partly thrown?
It runs on a full 360 degree turn of the key or thumbturn to throw and to retract. The key comes out only in the fully locked or fully unlocked position, so nobody walks away leaving the hook standing half out where it fouls the jamb slot on the next cycle. Bolt is available in stainless steel or solid brass.
11) What finishes does the Adams Rite MS1850S come in for matching existing storefront hardware?
Ordered in clear anodized (628), dark bronze anodized (313), or black anodized (335). Those are the anodize colors aluminum storefront framing is normally finished in, so the practical move on a replacement is to match the lock to the frame and stile rather than to whatever the old faceplate has weathered to. Only the faceplate really shows once the case is in the stile.
How fast can I get the Adams Rite MS1850S-355-628 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 MS1850S-355-628 come with a warranty?
Absolutely. The Adams Rite MS1850S-355-628 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 MS1850S-355-628?
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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