Products
inserts are precision formed screw thread coils of stainless steel wire having a diamond shape
cross section. Heli-Coil precision formed wire inserts are readily recognized and highly
regarded products in the industry. Since its inception in 1938, Heli-Coil has been identified as
an industry leader offering products with superior performance, reliability and integrity.
Helicoil inserts are used into softer metallic or non metallic materials to give them steel-like
thread performance. This has enabled industries to use lighter weight materials such as
aluminum, FRP, Nylon etc without having to give up thread strength of their fasteners.
Heli-Coil strict quality programs ensure to meet the latest industry standards of QS,ISO,TS and
AS specifications, as is evident in Heli-Coil track record of consistently passing audits
without technical findings. Heli-Coil SPC and detailed inspection programs elevate the quality
levels well above our competitors. Heli-Coil wire inserts and related assembly tools are
manufactured with over 65 years of experience. Heli-Coil teams are dedicated to exceeding
customer's expectations by providing innovative value added design and engineering services,
on-time deliveries and excellent customer service support. Heli-Coil is committed to developing
superior products manufactured to only the highest quality standards. We are more than just a
supplier, we are a business partner. Heli-Coil in USA is manufactured by Stanley Engineered Fastening
Heli-Coil Tangless Inserts eliminate tang break-off and retrieval and are easily
adjusted or removed after installation. The Bi-Directional Design installs quickly and easily
from either end of the insert. HELI-COIL Tangless inserts have a bi-directional design allowing
the insert to be installed from either end Tangless inserts are available as free running &
screw locking Types, with all regular coatings.
Heli-Coil Tangless screw lock inserts provide a positive, self-locking torque and comply with
both MIL-I-8846 /NASM8846 and NAS1130 requirements.
Typical Tangless NAS1130 Parts can be identified as in the product line card available at this
site.
With tangless® inserts, no loose tangs are left behind, and they are the solution when foreign
object debris (FOD) cannot be present in critical applications. They eliminate the need for tang
break-off and tang retrieval and can be easily adjusted or removed after installation.
Tangless threaded inserts provide permanent, wear-resistant screw threads that
completely eliminate the need for tang break-off and retrieval.
The "Screw-Locking" tangless®insert provides self-locking torque on the male member by a series
of "chords" on one or more of the insert coils.
With tangless inserts, no loose tangs are left behind, and they are the solution when foreign
object debris (FOD) cannot be present in critical applications. They eliminate the need for tang
break-off and tang retrieval and can be easily adjusted or removed after installation.
Helicoil Nitronic 60 Inserts are available in Tanged and Tangless both
versions.
Helicoil Nitronic 60 Inserts are available in Free Running type and Screw Locking Type.
Helicoil Nitronic 60 Inserts are Superb gall resistance
Helicoil Nitronic 60 Inserts are Compatible with stainless steel screws
Helicoil Nitronic 60 Inserts are Ideal for use in vacuum environments
Helicoil Nitronic 60 Inserts Requires no additional coatings or plating
Helicoil Nitronic 60 Inserts are Particle free and Non-magnetic
Helicoil Nitronic 60 Inserts are made with Material Spec: UNS S21800 Can withstand Temperature
range: up to 500°F having Tensile strength of 200,000 PSI And Hardness of RHc 43-50
Helicoil Nitronic 60 Inserts are Moderate Corrosion resistance and having Magnetic Permeability
of <1 G/o
Helicoil DFL Coated Inserts are available in Tanged and Tangless both versions.
Helicoil DFL Inserts are available in Free Running type and Screw Locking Type.
Helicoil DFL Inserts Provides additional lubrication in high friction applications And High
temperature resistance (400°F)
Helicoil DFL Inserts are Highly recommended with Heli-Coil Screw-Locking inserts
Helicoil DFL Inserts Mildly corrosion resistant
Helicoil DFL Inserts coating Material Spec is AS5272 and is Gray in colour.
Helicoil Cadmium Plated Inserts are available in Tanged and Tangless both
versions.
Helicoil Cadmium Plated Inserts are available in Free Running type and Screw Locking Type.
Helicoil Cadmium Plated Inserts are used For Military specification purposes only
Not recommended for new design due to its toxic nature
Cadmium Plating Material Spec: QQ-P-416 Type II
Color: Iridescent yellow - Free-Running
Color: Olive drab - Screw-Locking
Helicoil Silver Plated Inserts are available in Tanged and Tangless both
versions.
Helicoil Silver Plated Inserts are available in Free Running type and Screw Locking Type.
Helicoil Silver Plated Inserts are Recommended to reduce galling of threads at high
temperatures
For use up to 1200°F
Silver Plating » Highly recommended with inserts made from Inconel X-750
Material Spec: QQ-S-365
Color: Silver white
Helicoil Primer-Free tangles inserts are designed for use in applications where galvanic
corrosion between dissimilar metals is a concern. Coating not only protects the base material and
provides excellent lubricity, but more importantly, eliminates the need for liquid chromate primers.
With Primer-Free coated inserts, the inserts are always evenly coated, providing more accurate bolt
torques.
Spiralock inserts are made of cold-rolled Type 304 stainless steel wire (AS7245),
work-hardened to a tensile strength above 200,000 psi, having a hardness of Rc43-50. The finished
surface (8-16 micro inches) is exceedingly smooth, virtually eliminating friction-induced thread
erosion.
It is important to select the proper insert length in order to balance the bolt tensile strength
against the shear strength of the parent material. The insert lengths are calculated numbers because
the inserts cannot be measured in the free state. The lengths are multiples of the nominal thread
size, or diameter, of the insert. Please see Table III for insert dimensions. Using the insert
length selection table below, an insert length can be selected which will produce a thread system
strong enough to fracture a bolt before it will strip or damage either the parent material or the
insert.
Spiralock wire thread inserts are helically coiled fastening devices that provide permanent,
wear-resistant screw threads that exceed the strength of most parent material; the inserts are
designed to protect tapped holes against failures due to stripping, seizing, corrosion, and wear.
Spiralock inserts are unlike any other wire thread insert due to the fact that our inner diameter
wire geometry incorporates our 30° wedge ramp thread form design. Our wire thread inserts are
available in two styles: tanged and Drive Notch, engineered with no tang.
Crest of bolt seats against ramp of Spiralock insert thread profile, preventing transverse movement
of bolt relative to insert, thus resisting loosening due to vibration.
Spiralock insert meets or exceeds the applicable parts of NASM8846; e.g., the wire tensile strength,
chemical composition, and methods of inspection.
Spiralock insert is not a prevailing torque-type screw-locking insert—no risk of galling or seizing
of bolt and insert Similar to NASM1130 inserts Provides proven superior vibration resistance to
standard locking inserts.
Spiralock wire thread inserts are helically coiled fastening devices that provide permanent,
wear-resistant screw threads that exceed the strength of most parent material; the inserts are
designed to protect tapped holes against failures due to stripping, seizing, corrosion, and wear.
Spiralock® inserts are unlike any other wire thread insert for the fact that our inner diameter wire
geometry incorporates our 30° wedge ramp thread form design. Our wire thread inserts are available
in two styles: tanged and Drive Notch, engineered with no tang.
Crest of bolt seats against ramp of Spiralock insert thread profile, preventing transverse movement
of bolt relative to insert, thus resisting loosening due to vibration.
HeliCoil Tangless HEX Electrical Insertion Tools are used with Helicoil Power Tools such
as Helicoil Electrical Power Drivers, Helicoil Battery Operated Power Drivers and Helicoil Pneumatic
Power Tools. Helicoil Hex Installtion Tools are Easy and faster to use, Quick Changing, Available in
sizes from M2 to M24 and equivalent Inch Sizes. Depth Stopper ensure perfect installation of insert
till required depth. External HEX is as per DIN 3126/ ISO 1173
HeliCoil Tangless Insertion Tools - Prewinder Type are available from size M2 – M12 and
in UNC / UNF category from 1-64 to 1/2". HeliCoil Tangless insertion tools are best suited for easy
& fatigue free installation of inserts in production line to achieve a high quality of HeliCoil
insert installation & prevent jumping of coil threads. Threaded mandrel prewinders are also best
recommended for successful installation of screw locking inserts and free running inserts having a
fine thread pitch.
HeliCoil Tangless Insertion Tools - Guage Type are available from size M2 – M12 and in
UNC / UNF category from 1-64 to 1/2". HeliCoil Tangless insertion tools Gauge type are quick and
easy to us. They are best suited for easy & fatigue free installation of inserts in production line
to achieve a high quality of HeliCoil insert installation & prevent jumping of coil threads.
HeliCoil Tangless Insert Removal Tools - Guage Type are available from size M2 – M12 and
in UNC / UNF category from 1-64 to 1/2".
Helicoil Tangless Removal Tool is unique in the helical coil screw thread insert industry. The
Helicoil Tangless removal tool allows quick, non-destructive removal of Tangless inserts, preventing
damage to the
parent material and expensive castings.
The Helicoil Tangless removal tool simply threads into the installed insert, grabs the removal notch
and threads the
insert out without damaging the internal STI threads or surface of the casting. Helicoil Tangless
removal
tool has ability to back out or adjust an insert that has been installed too deep; giving operators
greater control over
installation depth.
HeliCoil Threading Taps are available in HSS material as standard product and as
specials in HSSE or HSS with High Cobalt contents. In addition the taps can also be provided with
special wear resistant coatings.
Standard HeliCoil taps are designed and manufactured of high speed steel to the most rigid
specifications in various types and styles to produce holes for tolerance class 4H5H and 5H6H in
Metric series and of class 2B/3B in UNC/UNF series for use in the general range of aluminums,
magnesiums, mild steels and alloy steels.
Types of HeliCoil taps:
HeliCoil Gauges are available as Go/No Go thread plug gauges for inspection of tapped holes prior to
HeliCoil fitment. The gauges are available in 5H & 6H class for Metric sizes and 2B/3B for UNC/UNF
sizes.
Accuracy of the finished thread when the insert is installed is dependent upon the accuracy of the
tapped hole. If the finished tapped hole gages satisfactorily, the installed insert will be within
the thread tolerance. It is not necessary to gage the installed insert. After the insert is
installed, the GO thread plug gage may not enter freely; however, the insert will always seat itself
when the bolt or screw is installed and tightened. (Reference NASM33537).
Gage handles and all gage nibs are marked with the extreme product limits for the particular size
and class of fit. When gaging tapped holes which have been thoroughly cleaned or which have a
protective finish applied, the gage should always be lubricated with light oil. HI nib may enter
provided a definite drag results on or before 3rd turn from entry – Ref. FEDSTD-H28, Screw thread
Standards for Federal Services.
Working gages provide a guaranteed minimum wear allowance on the pitch diameter of the GO members of
two ten thousandths of an inch (.0002). These gages are recommended for production in sizes 1/2 inch
and smaller.
Reference gages have pitch diameters on or close to minimum (basic size). They are essentially
laboratory or master gages and should be used in case of conflict between two working gages.
Conflict can occur when one of the gages has experienced more use and wear.
The complete gage consists of the GO thread plug gage, the HI thread plug gage and the appropriately
marked gage handle. Accuracy of the finished thread, when the insert is installed, is dependent upon
the accuracy of the tapped hole.
Heli-Coil power tools are available in Inch and Metric sizes #2 (M2.2)
thru 1/2"* (M12) for rapid installation of Heli-Coil inserts. Power tools
consist of a Front End Assembly, an Adapter and a reversible
Air Motor. All three components are ordered separately.
A Front End Assembly consists of a prewinder, mandrel and
spacers. Select the adapter that corresponds with the insert size
being used. Power tools for strip feed inserts are available in sizes
#2 (M2.2) through 5/16" (M6).
Heli-Coil metric power inserting tools are available in coarse and
fine sizes up to 12mm* for rapid installation of standard and screwlock
inserts, substantially reducing assembly costs. Strip feed power
tools are available in sizes up to 7mm. They speed up assembly,
eliminate waste and permit an accurate count.
Power tools consist of a Front End Assembly, an Adapter and a
reversible Air Motor. All three components are ordered individually.
A front end assembly consists of a prewinder, mandrel and spacers.
Select an Adapter that is compatible with the insert size to be used,
and for the size range up thru 6mm or the size range 7mm thru 12mm.
Pneumatic Power Tool Installation Kit
This Heli-Coil power tool installation kit (8522) contains an
Air Motor (8510-1), adapter, tools, a filter-regulator-lubricator,
oil, two quick disconnect fittings, and
wrenches. All are packed in a portable
molded box with easy-to-follow operating
instructions. Front End Assemblies may
be ordered separately to fit the sizes of
Heli-Coil inserts to be installed.
Heli-Coil offers an electronic power tool where electric power is preferred over air. The slender configuration of the mandrels allows them to reach into constricted areas. Electric power meets the requirements of clean room operations. Operators prefer electric power because it is quieter. The electronic tool is lighter to minimize operator fatigue. Mandrel assemblies are available to install the sizes of Heli-Coil inserts listed in the chart. Application Note: Variations in Mandrel Assembly dimensions and threads are available on a special order basis. Please contact Heli-Coil Applications Engineering Department at 0091 9901522733 to discuss your application.
Heli-Coil offers an electronic power tool where electric power is preferred over air. The slender configuration of the mandrels allows them to reach into constricted areas. Electric power meets the requirements of clean room operations. Operators prefer electric power because it is quieter. The electronic tool is lighter to minimize operator fatigue. Mandrel assemblies are available to install the sizes of Heli-Coil inserts listed in the chart. Application Note: Variations in Mandrel Assembly dimensions and threads are available on a special order basis. are available on a special order basis. Please contact Heli-Coil Applications Engineering Department at 0091 9901522733 to discuss your application.
The re-designed Heli-Coil power tool holder utilizes a strong tubular design to decrease
weight and increase rigidity and tool support. The new unit now features a solid base that can be
bolted to the work surface to maintain perpendicularity between the tool and the work piece. Because
of this, the tool holder is especially recommended for use with small thread sizes (#2-56, M2.2,
M2.5) and is ideal for use in applications with inserts to be installed within the same plane.
Additional features include a filter-regulator-lubricator mount and insert reel mounting arm. The
tool can be quickly and easily converted for use with either the traditional air operated
installation tool or the Heli-Coil Electronic Installation System.
Features & Benefits
The re-designed Heli-Coil power tool holder utilizes a strong tubular design to decrease
weight and increase rigidity and tool support. The new unit now features a solid base that can be
bolted to the work surface to maintain perpendicularity between the tool and the work piece. Because
of this, the tool holder is especially recommended for use with small thread sizes (#2-56, M2.2,
M2.5) and is ideal for use in applications with inserts to be installed within the same plane.
Additional features include a filter-regulator-lubricator mount and insert reel mounting arm. The
tool can be quickly and easily converted for use with either the traditional air operated
installation tool or the Heli-Coil Electronic Installation System.
Features & Benefits
Heli-Coil inserts and tooling comply with the following standards and Specifications:
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