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||Heli-Coil® Professional Thread Repair Kit
|Specifications (* Not Applicable)
- Heli-Coil inserts are available in thread repair
kits and sets for repairing tapped holes which have been stripped or damaged
due to wear, corrosion and over-torque. They are available in inch, metric,
spark plug and pipe thread series.
- All kits have a quantity of inserts,
the proper size drill, high speed
steel Heli-Coil tap and an installation
tool. Also included in smaller size kits a tang
removal tool and quantities of three
lengths of inserts.
Heli-coil Inserts provide a
positive means for protecting and
strengthening tapped threads in any
material. The unique design features
of the insert offer many beneﬁts.
- Stronger Assemblies
Tapped threads are strengthened
because the inherent ﬂexibility
of the insert provides a more
balanced distribution of dynamic
and static loads throughout the
length of thread engagement.
This ﬂexibility also compensates
for variation in lead and angle
error allowing each coil to carry
its share of the load.
- No Thread Wear
Thread life is dramatically
increased even after repeated
assembly and disassembly
because the insert hardness
and surface ﬁnish practically
eliminate erosion of the
thread form due to friction
- Corrosion Resistance
Under normal environmental
conditions, Heli-Coil inserts
minimize galvanic action
within the threaded assembly
because of their superior
- Design Flexibility
Bolt tensile strength can be
balanced against parent material
shear strength, assuring bolt
failure rather than parent
material damage. Five insert
lengths are available in each
- Eliminate Stress
Virtually no stress is introduced
into the parent material
because there is no staking,
locking, swaging or keying inplace – the outward spring-like
action of the insert holds it in
- Minimize Space & Weight
Heli-Coil inserts allow use of
smaller bosses, ﬂanges and
fasteners than any other insert.
Heli-Coil inserts can generally
be incorporated in existing
designs, where no provision
has been made for an insert,
without increasing boss size.
- Minimize Total Cost
Cost savings abound. Lower
insert cost, lower installation
cost and Heli-Coil inserts
provide design ﬂexibility by
allowing a wide choice of
parent materials while
threaded assembly strength.
- True Clamping Torque
Maximum clamping action and
bolt tension are assured with
minimum wrench torque because
of the mirror-smooth surface
ﬁnish of Heli-Coil inserts.
- Wide Temperature Range
Heli-Coil stainless steel inserts
can be used in temperatures
ranging from –320°F to +800°F.
- Quality & Reliability
Stringent Quality Assurance
and Engineering Standards are
rigidly enforced in all phases of
the manufacturing process.
This assures integrity of your