Wire Threaded Inserts
Wire thread inserts are incorporated into softer metallic materials to give them steel-like thread performance. This has enabled industries to use lighter weight materials such as aluminum without having to give up thread strength of their fasteners.
Heli-Coil® Tanged Screw Thread Inserts
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Heli-Coil® Tangless Screw Thread Inserts
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Heli-Coil® 8-Pitch Screw Thread Inserts
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Heli-Coil® Oversize™ & Twinsert® Screw Thread Inserts
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Heli-Coil® Pipe Thread Inserts
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Heli-Coil® Self-Tapping Screw Thread Inserts
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Heli-Coil® Spark Plug Screw Thread Inserts
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Heli-Coil® Primer-Free® II Coated Inserts
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Heli-Coil® Packaged Inserts
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Spiralock® Wire Thread Inserts (Tanged)
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Spiralock® Wire Thread Inserts (Drive Notch)
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More About Our Wire Threaded Inserts
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.
The Optia® brand includes two wire thread insert product families: Heli-Coil®, renowned as The Original wire thread inserts, and Spiralock® which incorporates the Spiralock® 30° wedge-ramp thread-form design in the inner wire geometry.
Heli-Coil® inserts come in two styles: the standard or Free Running insert which provides a smooth free-running thread and Screw-Locking which provides self-locking torque on the male member by a series of “chords” on one or more of the insert coils. Both are available in tanged or tangless version.
Spiralock® wire thread inserts are available in two styles: tanged and Drive Notch (DN®), engineered with no tang.
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