Locks MS1861 Series Bottom Rail Deadbolt

User Manual: Locks MS1861 Series Bottom Rail Deadbolt Mayflower Sales - Adams Rite

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DEADLOCKS

MS1861 Series
Bottom Rail Deadbolt

DL-17

MS1861 SERIES BOTTOM RAIL DEADBOLT

Operation
360° turn of key or thumbturn throws or retracts bolt(s). Key
can be removed only when bolts are in a positively locked
or unlocked position. Lock accepts any standard 1-5/32"
diameter mortise cylinder from either or both sides. Cylinder
must have MS® dimensioned cam.

Specifications
CYLINDER BACKSET

FULL GLASS

• Minimum backset is approximately 2-1/4" for the MS186101 with vertical bolt only. The MS1861-02 with vertical and
horizontal bolts requires placement of cylinder centerline
5-3/4" from nose of door. Both have cylinder center 1-7/8"
above bottom edge of door.

GRADE 1
E8211

The MS1861 Bottom Rail Deadbolt provides maximum
security with MS deadbolt over-center/pivot locking
mechanism. It utilizes hardened steel bolts for the limited
space of ultra-narrow stile doors.

CASE
• Steel with corrosion-resistant plate, measures 1" x 6" x 1-13/16".

BOLTS
• 3/8" diameter. Stainless steel vertical threshold bolt has
13/16" throw. Hardened steel horizontal bolt has 1-1/8" throw.

STRIKES

Function
Using the same over-center/pivot locking mechanism as the basic MS®
deadbolt, the MS1861 lies horizontally in the bottom rail of ultra-narrow stile
doors which have insufficient vertical space for a lock, and tempered glass
doors which have no stile at all. The hardened steel cylindrical bolts allow
simple drilled strike holes of a relatively small size to minimize the nuisance
and danger presented by some threshold strikes in collecting debris or
snagging on high-heeled shoes. MS1861-02 locks either single-leaf or pairs
of doors. Not recommended for wood doors.

• In metal installation, 7/16" drilled holes in threshold are
required. For MS1861-02, drilled holes are also required in
jamb or opposite door. For wood, metal plate with 7/16" hole
must be provided for each bolt.

CYLINDER CAM
• MS1861 Bottom Rail Deadbolts are operable by any standard
1-5/32" diameter mortise cylinder with MS® cam dimensioned
as shown. Cylinders with MS® cams can be readily obtained
from most cylinder manufacturers. See CYLINDERS section
for cylinder make, thumbturn
and trim ring
DIMENSIONS
OFinformation.
CAM TO OPERATE:
DEADLOCK
SERIES

“Dim A” .800" ± .005"
20.3mm ± .127mm

.120"R
3.0mm

DEADLATCH
SERIES
EXIT
DEVICES

.182"
4.6mm

FLUSHBOLTS

STANDARD PACKAGE
• Individually boxed with mounting screws. Cylinders and/or
thumbturns available separately. Shipping weight:
MS1861-01: 1-3/4 lbs., MS1861-02: 2 lbs.

MS1861-01

TRIM

183
MS
MS
MS
MS
187
MS
MS
219
229
430
451
453
490
492
830
840
865
187
187
187
478
308
309

DIMENSIONS OF C
TO OPERATE:
4070 SERIES DEAD
.850" ± .005"
21.6mm ± .127mm

MS1861-02
.620" R

15.7mm

THIS CAM AVAILABLE
FROM ABOVE CYLINDE
MANUFACTURERS
ON SPECIAL ORDER
(OR MAKE FROM
STANDARD CAM)

.334"
8.5mm

800.872.3267 • Fax 800.232.7329

CYLINDER

CYLIND
S. 51st Street,
TR Ste 102
Arizona 85044 Narrow stile
shoulder an
www.adamsrite.com
hardened s

TRIM 10027
RING

ARM-014-9/14

DOORPhoenix,
STILE

DL-18

DEADLOCKS

MS1861 SERIES BOTTOM RAIL DEADBOLT

All measurements are approximate and are provided for informational purposes only. Refer to the product Installation Instructions.

Dimensions

Rail Preparation
#8-32
DRILL & TAP
TYP.

BOTTOM RAIL
MTG. WEB

FOR MS1861-02
5-49/64"

3/4"

146.4mm
BACKSET

1"

19.1mm

25.4mm

7/16"

11.1mm
DIA.

THROW

1-1/8"

3-5/8"

21.6mm

92.1mm

14.3mm

5-25/64"

4"

9/16"

1/4"

14.3mm

6.4mm

1"

25.4mm

2"

1-55/64"

136.9mm

101.6mm

1-1/4" DIA.

31.8mm

BOTTOM
OF DOOR

9/16"

47.2mm

4"

50.8mm

1/2"

101.6mm

12.7mm

63/64"
25mm

7-1/4"

3/8" DIA.

9.5mm

184.2mm

3/8"

6-1/8"

155.6mm

1-11/16"
42.9mm

9.5mm

7-15/16"
201.6mm

UNIT ILLUSTRATED IS MS1861-02. (BOTH HORIZONTAL & VERTICAL BOLTS INCLUDED.)
PART NUMBER FOR VERTICAL BOLT OPERATION ONLY IS MS1861-01. CONVERSION KIT
NO. 4014 AVAILABLE TO CONVERT MS1861-01 TO MS1861-02. SEE BELOW:

TUBE
SPACER

RAIL
WITHOUT
WEB

4014 Conversion Kit
To convert MS1861-01 to MS1861-02, 4014 Conversion Kit provides
horizontal bolt assembly with guide and attachment fittings.

#10-32
DRILL & TAP
TYP.

BOTTOM DOOR RAILS WITH WEB WILL
REQUIRE MACHINING AS SHOWN. POSITION
OF WEB WILL DETERMINE TUBE SPACER
MIN.
2-1/2"
REQUIREMENT AND TUBE SPACER LENGTH.
63.5mm CHANNEL
DEPTH

Lock & Cylinder Installation

The 4014 Conversion Kit consists of:
1 Arm & Bolt Assembly

TUBE SPACERS MAY BE REQUIRED
TO POSITION LOCK MECHANISM.

2 Assembly Pin

CYLINDER

3 Bolt Guide Bracket
4 Mounting Screws
To assemble, press pin through disc and arm.
3
2
1

4

HOW TO ORDER

MS1861 SERIES BOTTOM RAIL DEADBOLT

Specify quantity and the following information. Order related products separately.
PRODUCT NO.

BOLT OPERATION

FINISH

PACKAGING

MS1861

-01

-603

-IB

603 Zinc plated steel

IB Individually Boxed

01 Vertical Bolt Only
02 Vertical and Horizontal Bolts

If tube spacers are required, specify QUANTITY and LENGTH.
RELATED PRODUCTS When purchasing this product, please consider the following related products, available separately:
Accessories

Cylinders

4014 Conversion Kit for multi-point locking applications or it can be
ordered with vertical and horizontal bolts (Bolt Operation option 2).

MS1861 Bottom Rail Deadbolts are operable by any standard 1-5/32"
diameter mortise cylinder with MS® cam.

©2014, Hanchett Entry Systems, Inc., an ASSA ABLOY Group company.



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