1830
2190
2290
MS1837
MS1850S
MS1850SN
MS1861
MS1950
1875
MS+1890
4300
4510
4530
4900
4920AN
8300
8400
8650
DEADLOCK
DEADLATCH
SERIES
SERIES
EXIT
DEVICES
1870
1870HM
1877
FLUSHBOLTS
THIS CAM AVAILABLE FROM:
ADAMS RITE
ARROW
ASSA
BEST
CORBIN RUSSWIN
DORMA
FALCON
KABA-ILCO
MEDECO
SARGENT
SCHLAGE
WEISER
YALE
DIMENSIONS OF CAM TO OPERATE:
FLUSHBOLTS & PIVOTS
1870HM CylinderOperated Flushbolt
1870HM CYLINDER-OPERATED FLUSHBOLT
Operation
360° turn of key throws or retracts the 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® dimensioned cam
(see CYLINDERS).
Specifications
CYLINDER BACKSET
• 1-1/4" only.
FP-3
HOLLOW
METAL
Designed for greater key control, the 1870HM CylinderOperated Flushbolt prevents accidental locking of the
inactive leaf of paired hollow metal doors. May be installed
to lock at threshold or at header.
Function
Designed for use instead of conventional flip-lever operated flushbolts, the 1870HM
Cylinder-Operated Flushbolt 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 over-center action mechanism as MS®
pivoted bolt locks. Recommended for installation at both top and bottom of inactive
door with MS1850SN Deadlock in active door for greatest security. May be installed
to lock at threshold or at header.
CYLINDER HEIGHT
• Standard length (cylinder center to door end) is 13-1/2".
Other lengths available by special order.
CASE
• Measures 7/8" x 6" x 1-21/32". Steel with corrosion-
resistant plating.
BOLT
• Hexagonal 3/8" flat to flat, with 11/16" throw. Made of
stainless steel.
STRIKE
• 2-1/4" x 15/16" strike is supplied.
FACEPLATE.
• Faceplate measures 1" x 8".
STA N DARD PACK AGE
• Basic lock mechanism boxed with actuator arm attached,
rod/bolt assembly unattached. Stainless steel bolt guide,
mounting screws, and installation instructions included.
Cylinders available separately. Shipping weight: 1-1/4 lbs.
CYLINDER CAM
• 1870HM Cylinder-Operated Flushbolts 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 information.
ARM-014-9/14
.120"
3.0mm
.800" ± .005"
“Dim A”
20.3mm ± .127mm
R
.182"
4.6mm
800.872.3267 • Fax 800.232.7329
10027 S. 51st Street, Ste 102
Phoenix, Arizona 85044
www.adamsrite.com
FP-4
All measurements are approximate and are provided for informational purposes only. Refer to the product Installation Instructions.
Dimensions
1870HM CYLINDER-OPERATED FLUSHBOLT
Door Preparation
For installation locking threshold.
Invert for header locking.
1-29/32"
48.4mm
1-1/4"
31.8mm
8"
203.2mm
11/16"
17.5mm
THROW
13-1/2" *
342.9mm
CYLINDER
HEIGHT
1-1/4"
31.8mm
1/4"
6.4mm
1"
25.4mm
5/8"
15.9mm
BOLT PROJECTION
6-1/16"
BOTTOM EDGE OF DOOR
*OTHER LENGTHS AVAILABLE ON SPECIAL ORDER
154mm
228.6mm
EXTENDED
9"
HOW BACKSET
IS MEASURED:
CYLINDER
FLAT
BEVEL
ARMORED FACEPLATE
1" X 8"
Finish: US28 Satin Aluminum
(628) con sult facto ry
about special finishes.
FLAT 1870H M
LH BEVEL 18 72HM-5
RH BEVEL 1872HM-6
FLUSHBOLTS & PIVOTS
8-1/64"
203.6mm
7-1/4"
184.2mm
3/8"
9.5mm
1-17/64"
mm
32.1
Installation
DRILL 3/4" DIA.
CLEARANCE
HOLE IN
DOOR PLATE
BOLT GUIDE
NOSE OF
DOOR
1"
25.4
BOLT
mm
1-1/4"
31.8mm
BACKSET
12-24 TAP
(2 PLCS)
DRILL & TAP PLATE
8-32 THREAD
(3 PLCS)
1/4"
mm
6.4
1-1/4"
31.8mm
3/4"
19.1mm
8-32
FLAT HEAD
MACHINE
SCREWS (3)
5/8"
DIA
15.9mm
DRILL & TAP
8-32 THREAD
(2 PLCS)
13/16"
20.6mm
1-5/8"
41.3mm
2-1/8"
54mm
1-1/4"
31.8mm
DIA.
12.7
1/2"
mm
HOW TO ORDER 1870HM CYLINDER-OPERATED FLUSHBOLT
Specify quantity and the following information. Order related products separately.
Product No. FACEPLATE SHAPE HANDING FINISH
187 0HM 5 -628
0HM Flat 0 Non-Handed* 313 Dark Bronze Anodized
2HM Bevel 5 LH or RHR 335 Black Anodized
6 RH or LHR 628 Clear Anodized
*Any flat or radius faceplate.
RELATED PRODUCTS
Accessories Cylinders Special Order Options
Lock mounting accessories and options. 1870HM Cylinder-Operated Flushbolts are operable by any standard
When purchasing this product, please consider the following related products, available separately:
®
1-5/32" diameter mortise cylinder with MS
cam.
Other cylinder lengths
available as special order.
©2014, Hanchett Entr y Systems, Inc., an ASSA ABLOY Group company.
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