BC100-Series
Model BC180
Door Type: Wood or Composite, Flat
Door Thickness: Various
Faceplate:
Backsets:
Circular Drive-In
2
C\,
” (60 mm), 2
C\v
” (70 mm)
Door
Thickness
³⁄₈ " (8)
CL
CL
CL ³⁄₈ " (10)
Backset
CL
Bore on side of door where
Turn Unit will be used
1 ¹⁄₂ " (38) drill bit without lead recommended to avoid drilling through blank side of door
1"
(25)
1"
(25)
1" (25)
Dia. Hole
Mortise
1 ¹⁄₂ " (38)
Dia. Hole
Mounting Plate screw location
#8-32 x ³⁄₄ " (M4) in two places
³⁄₈ " (10)
Overdrill
Dimensions shown in parentheses () are in millimeters.
© 2014 Allegion
B920 Rev. 05/14 www.allegion.com/us
Door preparation template
B920
