Arrow ML Series Grade 1 Lever Sets
All Arrow ML Series locks are U.L. and c.U.L. listed for use on 3 hour, A label or lesser doors and are certified to conform to the requirements of ANSI/BHMA A156.2, Series 4000, Grade 2.
• 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.
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.