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Rev. A.3, 5/00 Page- 4
In step two, holes must be drilled for the mounting screws, and a 1/2" (12.7mm) diameter wire-
way hole should be drilled. Step three is to install the blind finishing nuts. For proper
strength, the 1/4-20 (or 6mm) mounting machine screws must be secured by these nuts. They
will work on any thickness metal header and are used as follows: A 3/8" (9.5 mm) hole is drilled
following the template for each nut. The nut is then pressed up into the hole and lightly seated
with a hammer tap. The nut is then collapsed inside the header. If you have Securitron's IK
installation kit, the nuts may be collapsed by the use of the blind nut placement tool. A special
collapsing tool is also included with each Magnalock. It is somewhat slower to use than the
more elaborate tool found in the installation kit. For its use, see Figure 3.
FIG. 3: COLLAPSING THE BLIND NUTS
HEADER
TOOL
BLIND NUT
NUT AS SHOWN
PRESS IN BLIND
COLLAPSES WHEN CAP SCREW
IS TURNED WITH ALLEN WRENCH
WHILE TOOL IS HELD FAST
WITH BOX WRENCH
WHILE TURNING WITH ALLEN
WRENCH, PRESS IN TO KEEP
NUT SEATED IN HEADER
HOLD WITH WRENCH OR
CAP SCREW
VISE GRIP WHILE TURNING
TWO FLAT WASHERS
DRILL 3/8" (9.5MM) HOLE
KNURL
CAP SCREW
1/4-20 X 1" (US) OR
6MM-1MM X 25MM (METRIC)
IF SCREW IS STIFF TO TURN,
ADD LUBRICANT TO WASHERS
Step four is to make the necessary wire connections. Step five is to mount the magnet via the
supplied machine screws (see Figure 1). Don't forget to use the gold flat washers. They
prevent the narrow screw heads from digging into the resin which could cause damage.
Tighten the screws to a snug fit only. Use the supplied thread-lock on the screw threads to
avoid the possibility of the screws loosening over time. Do not drill out the mounting holes
to make for an easier fit. You may cut an internal wire and void the warranty.
FIG. 4: TYPICAL MOUNTING ON OUTSWINGING DOOR
Sex Bolt
Washer Stack
Blind Nuts
1/4-20 (6mm)
Mounting Screws
Model 62 or 82 is shown
with four magnet mounting
screws. Model 32 or 34
employs only two.
Tamper Caps
(One shown)
Header Bracket if
frame is too narrow
Stop Filler Plate if
stop is too narrow
Strike
Magnet Body
Door
Stop
.75"
(19mm)
2.5"
(63.5mm)