Housing:
Two-piece housing, with free-spinning outer ring to prevent wrenching. Concealed mounting screws are standard on double cylinder functions.

Deadbolt:
1" (25.40 mm), solid steel deadbolt throw with hardened steel pin.

Backset:
2-3/8" (60.32 mm), 2-3/4" (69.85 mm).

Deadbolt fronts:
2-1/4" (57.15 mm) x 1" (25.40 mm) standard for 2-3/8" (60.32 mm) backset, 2-1/4" (57.15 mm) x 1-1/8" (28.57 mm) standard for 2-3/4" (69.85 mm) backset. Drive-in deadbolts are available.

Doors:
1-3/8" (34.925 mm) to 1-3/4" (44.45 mm) thick standard.

Strikes:
Supplied standard with two strikes.
#345–security strike for steel frame.
#346–security strike for wood frame.

Handing:
All functions are reversible.

Cylinder, Standard:
Solid brass, Arrow “A” keyway, drilled for 6 pins, pinned to 5. Supplied with two keys.

Cylinder Options:
Accepts 6 or 7 pin interchangeable cores. Supplied less cores. Will accept Best™ or Falcon™ type cores. ASSA high security cylinders are available.

Finish:
US3, US4, US5A, US10, US10B, US26, US26D.

Certification & Compliance:
• ANSI A156.5, Auxiliary Locks, Grade 1
• Underwriters Laboratories (UL and CUL) listed for use on A label or lesser doors when used in conjunction with a rated primary latching device

Housing:
Two-piece housing, with free spinning outer ring to prevent wrenching. Concealed mounting screws standard on double cylinder functions.

Thru-bolting:
supplied with two 1/4" (6.35 mm) steel thru-bolts.

Deadbolt:
1" (25.40 mm), solid steel deadbolt throw with hardened steel pin insert.

Backset:
2-3/8" (60.32 mm), 2-3/4" (69.85 mm), E41 backset is 2" (60.32mm) – 2 ¾" (69.85mm).

Deadbolt fronts:
2-1/4" (57.15 mm) x 1" (25.40 mm) standard for 2-3/8" (60.32 mm) backset,
2-1/4" (57.15 mm) x 1-1/8" (28.57 mm) standard for 2-3/4" (69.85 mm) backset. Drive-in deadbolts are available.

Doors:
1-3/8" (34.925 mm) to 1-3/4" (44.45 mm) thick standard.

Strikes:
Supplied standard with two strikes.
#345–security strike for steel frame.
#346–security strike for wood frame.

Handing:
All functions are reversible.

Cylinder, Standard:
Solid brass, Arrow “A” deyway, drilled for 6 pins, pinned to 5 for stock.  E41 is available 5 pin.  Supplied with two keys.

Cylinder Options:
Accepts 6 or 7 pin interchangeable cores. Supplied less cores. Will accept Best™ or Falcon™ type cores. ASSA high security cylinders are available.

Finish:
US3, US4, US5A, US10, US10B, US26, US26D.
E41 is available in US3, US15 and US26D.

Certification & Compliance:
• ANSI A156.5, Auxiliary Locks, Grade 2
• Underwriters Laboratories (UL and CUL) listed for use on A label or lesser doors when used in conjunction with a rated primary latching device.