SWINGING DOOR HARDWARE
Cylinder-Operated
Flushbolt
For Aluminum Stile Doors
1870 Series
SW-18
Cylinder Backset
31/32” or 1-1/8” only.
Cylinder Height
Standard length (cylinder center to
retracted bolt tip) is 12“ with 1.25”
adjustment. Other lengths available on
special order.
+_
Function
Designed for use instead of conventional flip-lever operated
flushbolts, the 1870 gives building management key control
of the inactive leaf of paired doors. Prevents casual locking of
the inactive leaf by children or other unauthorized persons.
Uses same basic overcenter action mechanism as MS
pivoted bolt locks. Recommended for installation at both top
and bottom of inactive door with MS1850S in active door for
greatest security.
MAY BE INSTALLED TO
LOCK AT THRESHOLD
OR AT HEADER.
Case
Steel with corrosion-resistant plating. 1“ x 6” x depth.
(Depth varies by backset. See table on back page.)
Bolt
Hexagonal 3/8“ flat to flat, with 11/16” throw. Made of
stainless steel.
Strike
1/2“ diameter hole in metal threshold or header is
suitable. For wood installations, 4005 strike is available.
Operation
o
®
360 turn of key throws or retracts hex-section bolt. Key can
be removed only when bolt is in a positively locked or
unlocked position. Accepts any standard 1-5/32“ mortise
cylinder from either or both sides. Cylinder must have MS
cam. (See page SW-33.)
®
260 Santa Fe Street
Pomona, California 91767
( ) ( )
800 872-3267 Fax: 800 232-7329
www.adamsrite.com
1870 Series Flushbolt
1.34
34.0
12.00*
304.0
6.00
152.0
.69
17.5
.88
22.3
THROW
DIMENSIONS
INCHES
Nominal, subject to tolerance extremes.
"A"
*STANDARD LENGTH
OTHER LENGTHS AVAILABLE
ON SPECIAL ORDER
MILLIMETERS
1.0
C
L
25.4
BACKSET MEASURED
AT CENTERLINE OF
STILE NOSE
6.38
162.0
6.87
174.6
.25
6.3
Cylinder Cam
1870 Series locks
are operable by any
standard 1-5/32“
diameter mortise
c y l i n d e r w i t h
special MS cam dimensioned as shown.
Cylinders with MS cams can be readily
obtained from most cylinder manufacturers.
See page SW-33 for cylinder make and trim
ring information.
INSTALLATION
1.01
+ 0.38
_
0.0
.156
3.9
(4 PLCS)
DRILL & C'SK
FOR #10-32
THRESHOLD
25.6
6.885
174.8
R
STILE
1.594
40.4
1.25
31.7
DIA.
12.00
304.0
.562
14.2
.68
17.4
.57
C
L
14.6
.50
12.7
DIA.
.87
BOLT
C
L
22.2
HOW BACKSET
IS MEASURED:
BACKSET “A”
31/32“
24.6
1-1/8“
28.6
ARMORED
FACEPLATE
FLAT 1870
RADIUS 1871
RADIUS w/WEATHERSTRIP
LH BEVEL 1872-05
RH BEVEL 1872-06
1.63
41.4
1.78
45.2
1“ x 6-7/8”
1871W
CYLINDER
C
L
FLAT
RADIUS
BEVEL
C
L
C
L
C
L
CUTOUT
TOLERANCE:
+ .015
_
.000
FLAT HEAD SCREWS
Stile
Preparation
FOR INSTALLATION LOCKING THRESHOLD
.800
20.32
C
CYLINDER
L
®
®
CAM
TOLERANCE:
+
_
.005
+
_
.13
.182
4.62
.120 R
3.05
INVERT FOR HEADER LOCKING
HOW TO ORDER
Specify quantity and the following information.
Order related hardware separately.
Faceplate Shape
1870
1871
1872
1871W
Flat
Radius
Bevel
Radius w/strip
1871 - 20 - 628
*Any flat or radius face.
©2008 ADAMS RITE MANUFACTURING CO.
Backset
2
31/32“
3
1-1/8“
628
313
335
Handing
5
LH or RHR
6
RH or LHR
0
Non-Handed*
Finish
Clear Anodized
Dark Bronze Anod.
Black Anodized
NOTE:
MACHINE SCREWS
ARE FURNISHED.
FOR SECURITY, INSTALL
BOLT GUIDE FROM
INTERIOR OF DOOR.
Lock & Cylinder
Installation
STANDARD PACKAGE
Basic lock mechanism boxed with actuator arm attached,
rod/bolt assembly unattached. Stainless steel bolt guide,
mounting screws and installation instructions included.
Cylinders available at extra cost. Shipping weight: 1-1/4 lbs.
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