Heli-Coil®
The Heli-Coil® portfolio of wire threaded inserts includes offerings of a variety of configurations whether it be plating, material, locking, or non-locking variants that make it fully adaptable and configurable for industries spanning automotive, industrial, aerospace, and defense. There is a strong industry trend toward the lightweighting of materials, yet achieving structural integrity of bolted or fastened joints. Heli-Coil® by nature of its design is an ideal solution to be incorporated as part of these assemblies.
Heli-Coil® True Engineering Innovation
There is a strong industry trend toward the lightweighting of materials, yet achieving structural integrity of bolted or fastened joints. Heli-Coil® by nature of its design is an ideal solution to be incorporated as part of these assemblies. The Heli-Coil® portfolio includes offerings of a variety of configurations whether it be plating, material, locking, or non-locking variants that make it fully adaptable and configurable for industries spanning automotive, industrial, aerospace, and defense.
Heli-Coil® Wire Threaded Inserts
![Heli-Coil® Tangless Wire Inserts](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-tangless-inserts.jpg?h=300&w=560&la=en&hash=2656DD049B7D6B337B4EB6B93804A4CC)
Tangless® Screw Thread Inserts
Tangless® threaded inserts provide permanent, wear-resistant screw threads that completely eliminate the need for tang break-off and retrieval.
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![Heli-Coil® Tanged Wire Inserts](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-tanged-inserts.jpg?h=300&w=560&la=en&hash=92F2B0FFCE86C5E6F920730205AE1BBB)
Heli-Coil® Tanged Screw Thread Inserts
Screw-Locking tanged screw thread inserts provide an exclusive, resilient internal locking thread that grips the bolt and prevents it from loosening under vibration or impact.
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![Heli-Coil® 8-pitch wire insert](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-8-pitch.jpg?h=300&w=560&la=en&hash=1CC2D742A73744224E086AFAB93A008D)
Heli-Coil® 8-Pitch Screw Thread Inserts
Heli-Coil 8-Pitch inserts are a unique series of screw thread inserts designed for 8-pitch threaded holes.
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![Heli-Coil® Oversized Wire Insert Twinsert](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-oversized-twinsert.jpg?h=300&w=560&la=en&hash=4FBED1247001C2C6D20DA25FFB292BE5)
Heli-Coil® Oversize™ & Twinsert® Screw Thread Inserts
Oversize inserts are primarily used to correct Heli-Coil insert assemblies that gage oversize due to tapping errors.
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![heli-coil packaged inserts multiple sizes](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-product-inserts-helicoil.jpg?la=en&h=300&w=560&la=en&hash=4C05E8975B5762146C2512C38DB9AEBE)
Heli-Coil® Packaged Inserts
Heli-Coil® inserts are packaged according to thread size for easy handling and display.
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![Heli-Coil® Pipe Thread Inserts](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-pipe-thread-inserts.jpg?h=300&w=560&la=en&hash=D395187D1CB1449CAB809C37B139EBE7)
Heli-Coil® Pipe Thread Inserts
Heli-Coil pipe thread inserts offer speed and economy in repair and production salvage, providing better than original threads.
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![Primer-Free Coated Inserts](/-/media/Web/SEF/Assets/Product-Assets/Heli-Coil-Primer-Free-Insert/thumbnail-fasteners-hc-primer-free-inserts.jpg?h=300&w=559&la=en&hash=343DA95C17286EAC545496B0F0ECD538)
Heli-Coil® Primer-Free® II Coated Inserts
Primer-Free® inserts are designed for use in applications where galvanic corrosion between dissimilar metals is a concern.
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![Heli-Coil® Self-tapping Inserts](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-self-tapping-inserts.jpg?h=300&w=560&la=en&hash=ECC01C06E6260543C7F1D928C166BC65)
Heli-Coil® Self-Tapping Screw Thread Inserts
The Heli-Coil self-tapping insert is a helically wound coil of carbon steel wire, precision-formed to a diamond-shaped cross section.
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![Heli-Coil® Spark Plug Inserts](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-fasteners-heli-coil-spark-plug-inserts.jpg?h=300&w=560&la=en&hash=D68DE1F66D16FCB5D23E8CA56D1DDC61)
Heli-Coil® Spark Plug Screw Thread Inserts
Designed and manufactured to provide specific and unique benefits to high-temperature, high-performance spark plug applications.
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Heli-Coil® Tools
![](/-/media/Web/SEF/Assets/Product-Assets/featured-product-thumb-heli-coil-electronic-power-installation-tool.jpg?la=en&h=110&w=246&la=en&hash=CFB4300695C5EFB6342A40046A7E1F14)
Heli-Coil® Power Installation Tools
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.
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![Heli-Coil® Tang Removal Tool](/-/media/Web/SEF/Assets/Product-Assets/featured-product-thumb-heli-coil-tang-removal-tool.jpg?la=en&h=110&w=246&la=en&hash=BA85E2001570096C650C6D485649E8BC)
Heli-Coil® Tang Break Off Tools
Simple-to-use break-off tools available in pneumatic and hand styles.
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![Mandrel](/-/media/Web/SEF/Assets/Product-Assets/thumbnail-tools-accessories-mandrel.jpg?h=300&w=560&la=en&hash=5014983B87EB507A817902EEB4B057D6)
Heli-Coil® Threaded Mandrel Tool
Threaded mandrel tool for installing large coarse-pitch inserts.
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![Heli-Coil® Type II Tool](/-/media/Web/SEF/Assets/Product-Assets/featured-product-thumb-heli-coil-type-II-tool.jpg?la=en&h=110&w=246&la=en&hash=B61B2B598979BA9E6400AF6F5603C10C)
Heli-Coil® Type II Prewinder Hand Tool
Available to install tanged inserts for production runs, prototype work, salvage, and repair, and hand inserting tools.
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![Heli-Coil® Type III Tool](/-/media/Web/SEF/Assets/Product-Assets/featured-product-thumb-heli-coil-type-III-tool.jpg?la=en&h=110&w=246&la=en&hash=511C4E11A54EB05F570FD963D09D9038)
Heli-Coil® Type III Threaded Mandrel Hand Tool
Features a threaded mandrel which engages the insert and provides a positive lead to guide the insert into the tapped hole easily and quickly.
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![Heli-Coil® Type IV Tool](/-/media/Web/SEF/Assets/Product-Assets/featured-product-thumb-heli-coil-type-IV-tool.jpg?la=en&h=110&w=246&la=en&hash=84EF49D8FEC925F4772C02802367ECEF)
Heli-Coil® Type IV Non-Captive Prewinder Hand Tool
Features a threaded mandrel which engages the insert and provides a positive lead to guide the insert into the tapped hole easily and quickly.
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