FLUSHBOLTS & PIVOTS
1870HM CylinderOperated Flushbolt
FP-3
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.
CYLINDER HEIGHT
HOLLOW
METAL
• Standard length (cylinder center to door end) is 13-1/2".
Other lengths available by special order.
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.
CASE
• Measures 7/8" x 6" x 1-21/32". Steel with corrosionresistant plating.
BOLT
• Hexagonal 3/8" flat to flat, with 11/16" throw. Made of
stainless steel.
Function
STRIKE
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.
• 2-1/4" x 15/16" strike is supplied.
FACEPLATE.
• Faceplate measures 1" x 8".
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 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.
DIMENSIONS OF CAM TO OPERATE:
DEADLOCK
SERIES
“Dim A” .800" ± .005"
20.3mm ± .127mm
.120"R
3.0mm
DEADLATCH
SERIES
EXIT
DEVICES
.182"
4.6mm
FLUSHBOLTS
TRIM
1830
MS1
MS1
MS1
MS1
1875
MS +
MS1
2190
2290
4300
4510
4530
4900
4920
8300
8400
8650
1870
1870
1877
4781
3080
3090
DIMENSIONS OF C
TO OPERATE:
4070 SERIES DEADB
800.872.3267 • Fax 800.232.7329
THIS CAM AVAILABLE
FROM ABOVE CYLINDE
.850"S.
± .005"
10027
51st Street,
Ste 102
MANUFACTURERS
21.6mm ± .127mm
ON SPECIAL ORDER
Phoenix, Arizona 85044
(OR MAKE FROM
ARM-014-9/14
.620" R
15.7mm
STANDARD CAM)
www.adamsrite.com
FP-4
FLUSHBOLTS & PIVOTS
1870HM CYLINDER-OPERATED FLUSHBOLT
All measurements are approximate and are provided for informational purposes only. Refer to the product Installation Instructions.
Dimensions
1-1/4"
Door Preparation
31.8mm
BACKSET
For installation locking threshold.
Invert for header locking.
1-29/32"
HOW BACKSET
IS MEASURED:
48.4mm
1-1/4"
31.8mm
2-1/8"
54mm
CYLINDER
1-1/4"
31.8mm
8-1/64"
203.6mm
1-1/4"
31.8mm
7-1/4"
DIA.
184.2mm
FLAT
8"
203.2mm
12-24 TAP
(2 PLCS)
6-1/16"
154mm
BEVEL
3/8"
9.5mm
1-17/64"
32.1mm
1/4"
6.4mm
Installation
9"
DRILL & TAP PLATE
8-32 THREAD
(3 PLCS)
228.6mm
EXTENDED
1/4"
6.4mm
13-1/2" *
342.9mm
DRILL 3/4" DIA.
CLEARANCE
HOLE IN
DOOR PLATE
CYLINDER
HEIGHT
1/2"
12.7mm
1"
1-1/4"
3/4" 31.8mm
25.4mm
19.1mm
BOLT GUIDE
8-32
FLAT HEAD
MACHINE
SCREWS (3)
ARMORED FACEPLATE
1" X 8"
Finish: US28 Satin Aluminum
(628) consult factory
about special finishes.
5/8"
15.9mm
11/16"
BOTTOM EDGE OF DOOR
17.5mm
THROW
NOSE OF
DOOR
FLAT 1870HM
BOLT PROJECTION
1"
LH BEVEL 1872HM-5
*OTHER LENGTHS AVAILABLE ON SPECIAL ORDER
BOLT
5/8" DIA
15.9mm
DRILL & TAP
8-32 THREAD
(2 PLCS)
25.4mm
13/16"
20.6mm
RH BEVEL 1872HM-6
1-5/8"
41.3mm
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 When purchasing this product, please consider the following related products, available separately:
Accessories
Cylinders
Special Order Options
Lock mounting accessories and options.
1870HM Cylinder-Operated Flushbolts are operable by any standard
1-5/32" diameter mortise cylinder with MS® cam.
Other cylinder lengths
available as special order.
©2014, Hanchett Entry Systems, Inc., an ASSA ABLOY Group company.