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3. Description
The Hilti DX 460 tool with a MX SM fastener magazine
is a powder-actuated tool designed for fastening pro-
filed metal roof and floor decking to open web steel joists.
The tool hammers the fasteners into the base material
by using expanding gases to propel a captive steel pis-
ton against the fastener. As a result of this piston prin-
ciple, the tool is classified as low velocity.
The piston is returned to the starting position and the
cartridges are fed into the firing chamber automatical-
ly by gas pressure from the fired cartridge. This enables
the user to fasten very quickly and economically at a rate
of up to 700 fastenings per hour.
The tool has not been approved for use in an explosive
atmosphere.
Additional equipment for a wide range of other applica-
tions (e.g. fastening timber to concrete) is available on
request. Please contact your local Hilti representative.
As with all powder-actuated tools, the DX 460, the MX
SM magazine, the fasteners and the cartridges form a
"technical unit". This means that trouble-free fastening
with this system can only be assured if the fasteners and
cartridges specially manufactured for the tool, or prod-
ucts of an equivalent quality, are used. The fasteners and
application recommendations given by Hilti are only
applicable if this condition is observed.
The tool features 5-way safety – for the safety of the
operator and bystanders.
The piston principle
The energy from the propellant charge is transferred to
a piston, the accelerated mass of which drives the fas-
tener into the base material. As approximately 95 % of
the kinetic energy is absorbed by the piston, the fastener
is driven into the base material at much reduced veloc-
ity (less than 100 m/sec.) in a controlled manner. The
driving process ends when the piston reaches the end
of its travel. This makes dangerous through-shots vir-
tually impossible when the tool is used correctly.
The drop-firing safety
device is the result of coupling
the firing mechanism with the cocking movement. This
prevents the Hilti DX tool from firing when it is dropped
onto a hard surface, no matter at which angle the impact
occurs.
The trigger safety device
ensures that the cartridge
cannot be fired simply by pulling the trigger only. The
tool can be fired only when pressed against the work
surface.
The contact pressure safety device
requires the tool
to be pressed against a firm surface with a significant
force. The tool can be fired only when pressed fully
against the work surface in this way.
In addition, all Hilti DX tools are equipped with an unin-
tentional firing safety device
. This prevents the tool
from firing if the trigger is pulled and the tool then pressed
against the work surface. The tool can be fired only when
it is first pressed (1.) against the work surface correct-
ly and the trigger then pulled (2.).
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Obligation signs
Wear eye
protection
Wear a
safety helmet
Wear ear
protection
The numbers refer to the illustrations. The illustra-
tions can be found on the fold-out cover pages. Keep
these pages open while you read the operating instruc-
tions.
In these operating instructions, the designation “the
tool” always refers to the DX 460 SM powder-actuated
tool.
Location of identification data on the tool
The type designation and the serial number are printed
on the type plate on the tool. Make a note of this infor-
mation in your operating instructions and always refer
to it when making an inquiry to your Hilti representative
or service department.
Type:
DX 460 SM
Serial no.:
Printed: 08.07.2013 | Doc-Nr: PUB / 5129667 / 000 / 01
