Secure commercial aluminum storefront doors with the Adams Rite MS1850S Series MS® Deadlock in 313 Dark Bronze Anodized Finish.

Designed for narrow-stile aluminum doors, the MS1850S uses an eight-ply laminated stainless-steel bolt with an alumina-ceramic core for maximum resistance against cutting and forced entry.

Available with a standard straight pivot bolt, X5X hookbolt for sliding doors, or X2X short-throw bolt in compatible configurations.

Key Features

• Genuine Adams Rite / ASSA ABLOY

• MS1850S Series MS® Maximum Security Deadlock

• 313 Dark Bronze Anodized Finish

• Designed for narrow-stile aluminum doors

• Eight-ply laminated stainless-steel bolt

• Alumina-ceramic core

• 360° key or thumbturn operation

• Straight-bolt, hookbolt, and short-throw configurations

• Multiple backsets

• Multiple faceplate profiles

• Standard Adams Rite MS® preparation

• Accepts 1" mortise cylinder with MS® cam

• Compatible with 4036 Mortise Cylinder

• Compatible with 4066 Thumbturn

• Compatible with 4550 Deadlock Lever on applicable backsets

• Non-fire-rated

Straight Bolt – MS1850S

Designed primarily for swinging aluminum doors.

Bolt Size: Approx. 5/8" x 1-3/8" x 2-7/8"
Bolt Throw: 1-3/8"

Hookbolt – MS1850S-X5X

Designed for compatible sliding aluminum doors.

Hookbolt Throw: 13/16"

The hookbolt helps resist spreading, prying, and lifting of sliding panels.

Short Throw – 1850S-X2X

Designed for applications requiring reduced bolt projection.

Bolt Throw: 13/16"

Important

The X2X short-throw version is not available with the 7/8" backset.

Backset Options

• 7/8"

• 31/32"

• 1-1/8"

• 1-1/2"

Faceplate Options

• MS1850S – Flat

• MS1851S – Radius

• MS1851SW – Radius with Weatherstrip

• MS1852S – Bevel

• MS1853S – Body Only

Bevel configurations require handing.

Mortise Cylinder

Accepts a standard:

1" x 1-5/32" Mortise Cylinder

with:

Adams Rite MS® Cam

Cylinder sold separately.

Strike Options

Strike is not included unless specifically stated.

Available options include:

• 4000 Trim Strike

• 4001 Box Strike

• MS4002 Armored Strike

Important Notes

• Not fire rated

• No compatible electric strike

• 4550 Lever is not compatible with 7/8" backset

• Standard MS1850S does not accept 4590 / 4591 paddle trim

Product Specifications

Brand: Adams Rite
Series: MS1850S
Product Type: Maximum Security Deadlock
Door Type: Narrow-Stile Aluminum
Finish: 313 Dark Bronze Anodized
Backsets: 7/8", 31/32", 1-1/8", 1-1/2"
Cylinder: 1" Mortise Cylinder
Cam: MS® Cam
Fire Rated: No