Drill the four 1/2”
diameter holes on the
drill guide. The two
top holes and the
bottom hole are lock
mounting holes for
thru-bolt mounting.
The center 1/2” hole
is for the t-turn. Drill
half way from both
sides of the door.
The center 1” diameter
guide bushing is for
the drive spindle. A
hole saw shown at left
can be used on both
wood or steel doors,
dill half way to the
mortise pocket from
both sides of door.
PAGE 4
When all holes have been drilled remove the
The HIT-66 drill guide from the door.
