70 Deadlatch Mechanical Locks

■ Automatic deadlocking – Locks
when door is closed; unlocks by key.
■ Deadlock actuator – 3/4″ x 3/4″ cold
drawn steel with zinc plated finish.
■ Durable case – Ductile iron case with
3/8″ steel cover.
■ Corrosion-resistance – Working parts
are corrosion-resistant.
■ Heavy duty lever tumblers –
5 spring-temper brass tumblers,
activated by heavy phosphor-bronze
springs. Precision fit to locking fence.
■ Large, solid latchbolt – Zinc plated
steel, 2″ x 3/4″ with two hardened
steel roller pins to resist sawing. Bolt
projects 1/2″ when retracted.
■ Bolt throw – 3/4″
■ Bolt projection – 1/2″ and 1-1/4″ are
standard. Specify one.
■ Investment-cast key cylinder –
One-piece bronze alloy with
paracentric keyway.
■ Finish – Zinc plated.

SKU: 70 Categories: ,


Series 70 Locks are lever tumbler
mechanical locks for swinging doors.
Specify keying as follows:
72 Keyed cover side
76 Keyed both sides
Series 70 Deadlatches are
recommended for heavily used doors
such as those in dayrooms, recreation
areas or dining rooms. Convenient
slam-locking. Specify handing.
Standards Compliance___
UL10-B listed as Fire Door Accessory,
3-hour rating with strike.

© 2017, Best Brothers Group. All rights reserved.


Folger Adam

Optional Features

■ Mounting – Hollow metal, grille or

© 2017, Best Brothers Group. All rights reserved.


(must be specified separately)
■ 70-4B – Mortise strike with mounting
■ 70-4BL – Mortise strike with
switch/mounting screws.
■ 70-4DB – Mortise strike with dust box
and mounting screws.
■ 70-4F – Surface-mounted keeper and
mounting screws

© 2017, Best Brothers Group. All rights reserved.