A9300 MAXI-MORTISE™ Mechanical Locks

■ Fits ANSI door preparation –
Standardized installation in hollow
metal doors modified to
accommodate lock body thickness
of 1-1/8″.
■ Door thickness – Doors must be
1-3/4″ to 2-1/2″ thick.
■ Armored front – 8″ x 1-1/4″ steel,
10 gauge.
■ High strength case and cover –
12 gauge.
■ Corrosion-resistant working parts –
Internal working parts are stainless
steel or zinc chromated steel.
■ Durable hubs – Solid stainless steel
construction, on the square.
■ Spindle – 11/32″ cold drawn steel.
■ Latchbolt – One-piece investment
cast 17-4 stainless steel, hardened,
3/4″ throw.
■ Deadbolt – One-piece investment
cast 17-4 stainless steel, hardened,
1″ throw.
■ Latchbolt size – 11/16″ x 1-1/4″.
■ Deadbolt size – 11/16″ x 1-1/2″.
■ Reversible – Locks are field
reversible. Handing should be
specified upon ordering.
■ Key cylinder – Furnished with
Builders Hardware 6-pin tumbler key
high security cylinders.
■ Screws – Tamper-resistant mounting
■ Tamper-resistant – All bolts,
including the auxiliary latchbolt, are
fully tunneled to help prevent
jamming of the mechanism with
foreign material.
■ Strike – Supplied with curved-lip
strike having 1-1/4″ lip length and
dust box. Buffed stainless steel
finish only.
■ Trim finish – US32D.

SKU: A9300 Categories: ,



Series A9300 locks are pin tumbler
mortise locks for swinging doors.
An extra heavy-duty mortise lock for use
on swinging doors in minimum security
cell or public areas of detention
facilities. Available in a variety of
latchbolt, deadbolt and deadlocking
latchbolt styles
Standards Compliance___
UL10B listed as Fire Door Accessory,
4 hour rating.
ANSI/BHMA 156.13 Grade 1
ASTM F-1577 Grade 1 – Impact

© 2017, Best Brothers Group. All rights reserved.


Folger Adam

Optional Features

Strike switch – Strike-mounted
indication switch for electrically
monitored systems.

© 2017, Best Brothers Group. All rights reserved.

Trim Designs

■ Knobs – standard trim US26D.
Specify KR for knob and rose trim
with lock.
Dimensions: 2-1/4″ diameter.
Safety knob: Specify “SK” knob and
side installed on.
■ Lever handles – all lever handles
must be installed with track.
Material: Stainless steel.
Dimensions: 3/4″ diameter x 4-11/16″
■ LeverTrak® Handle Guide Sets –
LT and LTE Handle Guide Sets must
be specified. The track prevents
damage to mortise locks from overtravel
of the handle.
Material: Stainless steel.
■ Roses
Material: Stainless steel.
Dimensions: 2-11/16″ diameter,
concealed trim design.
■ Secure escutcheon – SV 1/4″ solid
stainless steel trim plates throughbolt
the door. Offered only with Builders
Hardware cylinder and A9300 Series
EXAMPLE: SV-A9361 x SK inside
escutcheon trim package shown here
is available only with a Builders
Hardware cylinder (A9300 Series
Lock). This trim package is not
available with a Maxi-Mogul® Cylinder.

© 2017, Best Brothers Group. All rights reserved.