SAFETY INSTRUCTIONS
DANGER
DANGER
SAFETY INSTRUCTIONS
3
Preparation
Acceptable Base Materials
Powder actuated fastening is suit-
able for use in the following base
materials only:
• Poured Concrete
• Structural Steel
• Masonry Joints ( see page 8)
Never attempt to fasten into any
other type of material.
Fastening into
other materials can cause blindness or
other serious injury.
Unacceptable Base Materials
Never attempt to fasten into very
hard or brittle materials such as cast
iron, tile, glass, or rock of any type.
These materials can shatter, causing
the fastener and/or base material
fragments to fly free and cause
serious injury to the tool operator
and others.
Never fasten into soft base
materials, such as drywall or lumber
products.
These materials may allow
the fastener to travel completely through
and out the other side, endangering
those in the path of the fastener.
Never fasten into any base material
that does not pass the Center Punch
test.
Failure to assure the suitability of
the base material can result in serious
injury to the eyes or other body parts.
NEVER FASTEN INTO VERY
HARD OR BRITTLE MATERIALS
NEVER FASTEN INTO SOFT
MATERIALS SUCH AS DRYWALL
Center Punch Test
ALWAYS WEAR SAFETY GOGGLES
WHEN PERFORMING THIS TEST.
1. Always check the material
being fastened into for hard-
ness before attempting any
fastening operation.
2. Using a fastener as a center
punch, strike the fastener
against the work surface using
an average hammer blow and
check the results.
Center Punch Test Results
1. If the fastener point is flattened,
the material is too hard for a
powder actuated fastening.
2. If the fastener penetrates the
material easily, the material is
too soft.
3. If the material cracks or
shatters, the material is too
brittle.
4. If the fastener makes a small
indentation into the material,
the material is suitable for
fastening.
