Arrow M Series, Sierra Lever Set.

Arrow ML series Lockset

TRIM DESIGNS | TEMPLATES | FUNCTIONS

Lock Chassis:

Cold rolled steel with zinc dichromate finish for corrosion resistance. Latch retractor is precision cast steel. Requires standard

2-1/8" (53.97 mm) bore through door.

OverDrive™:

Freewheeling lever action occurs when latch retraction mechanism disengages from lever handle when handle is locked. Built-in stops in the rose insert prevent lever from traveling beyond approximately 57 degrees. Additional 40% spring power in rose insert on OverDrive™ side of door ensures that lever handle returns to horizontal position.

Backset:
2-3/4" (69.85 mm)

backset standard,

3-3/4" (95.25 mm)

available. Also available with

5" (127 mm)

backset when used in conjunction with H Series latch.

Door Thickness:
1-3/8" (34.92 mm) to 1-3/4" (44.45 mm) standard.

Latch:

Brass with 1/2" (12.7 mm) throw. Latch housing is steel, zinc dichromate finish for corrosion resistance.

7/8" (22.225 mm) diameter bore in edge of door required. Supplied with #K-179 sleeve for use with existing 1" (25.40 mm)

holes.

Latch front:

Brass, bronze.

2-1/4" (57.15 mm) x 1

, beveled UL latches are standard. Available with

1" ( 25.40 mm)

flat fronts for

2-3/8" (60.32 mm)

backset, or

1" (25.40 mm)

beveled fronts for

2-3/4" (69.85 mm)

backset.

Strike:

Brass, bronze or stainless steel. ANSI A115.2,

4-7/8" (123.82 mm)

x 1-1/4" (31.75 mm) curved lip or 2-3/4" (69.85 mm)

x 1-1/8" (28.57 mm)“T” strike standard. All strikes have 1-1/4" (31.75 mm) lip to center dimension. Box strikes available.

Handing:

Non handed.

Mounting:

Thru-bolts within 2-1/8" (53.97 mm) cross bore. Contains two support plates which secure to face of door as well as accept thru-bolts from inside rose assembly.
Cylinder, Standard:

Solid brass, 6 pin cylinder with Arrow “A” keyway. Can be masterkeyed, grandmaster keyed and construction masterkeyed. Conventional cylinders are also available in a variety of competitive manufacturer’s keyways.

Supplied with two 6 pin nickel silver keys.

Cylinder Options:

Interchangeable core-lockset prepared for use with 6 or 7 pin interchangeable cores. Supplied less core, but packed with 6 and 7 pin tailpieces. Will accept cores as manufactured by Best™, Falcon™ and other similar style cores. Suffix “IC” to design. High Security–For cylinders meeting UL437 for pick and drill resistance, consult cylinder section of Sweets catalog for complete range of options.

Finish

US3, US4, US10, US10B, US26, US26D.

Consult factory for availability of other finishes.

Certification & Compliance:

• ANSI/BHMA A156.2, Series 4000, Grade 2

• Underwriters Laboratories (UL and CUL) listed for use on 3 hour, A label single swinging doors.

• Federal Specification FF-H-106C

• ANSI A117.1 Accessibility Code

• California State Reference Code–for levers returning to within 1/2" (12.7mm) of door surface