Tangless CoilThread FOD-Free Design: No tangs to break off, retrieve or lose. NASM8846, NAS1130, and NA0276 Certified. Cost Reduction: Decreased installation and inspection time. Bi-Directional Design: No insert orientation requirements. Quick, Non-destructive Removal: No damage to the parent material. More on Tangless Inserts CoilThread Inserts Lower pricing than competitive inserts. Complete range of unified and metric sizes, locking and non-locking, bulk and strip-feed. Meets or exceeds all applicable military, aerospace, and commercial standards (MS and MA Certified). Exact cross reference to Heli-Coil Inserts and Recoil Inserts. More on CoilThread (Helical Inserts) CoilThread Tools All KATO CoilThread tools work with Heli-Coil®, Recoil, and Boellhoff inserts! Air Tools Electric Tools Hand Tools Removal Tools STI Taps STI Gages One Pawl Fits-All Tang Break Off Tool KATO Features M2 Tangless Insert Hexatorq Hinges KATO-Kits (thread repair) KATOpedia Registration KATOpedia Sign-In Request Literature Email KATO Leave Feedback KATO is the original inventor and manufacturer of the bi-directional Tangless® screw thread insert. KATO Fastening Systems, Inc. (KATO) was established in 1997 to serve the North American fastener market. KATO manufactures the revolutionary Tangless® CoilThread Insert, standard CoilThread (tanged) inserts, and Hexatorq (constant torque precision hinges). KATO Tangless Inserts are identical, in form, fit, and function to conventional tanged inserts (e.g.,CoilThread, Heli-Coil & Recoil). In fact, Tangless CoilThread Inserts are identical to tanged inserts in every way except for their method of installation & removal. KATO Tangless inserts even have the same procurement specification (NASM8846 for unified sizes and MA1565 for metric sizes) as tanged inserts. KATO Tangless inserts eliminate tang break-off and retrieval, are easily adjusted after installation, and offer non-destructive removal. In addition, Heli-Coil and Recoil Tangless inserts are manufactured under license from KATO! Contact Us | Site Map | Privacy | Legal You can follow us on: