Keensert tap drill chart12/31/2023 If a removed insert needs to be replaced, the new insert can be placed into the original tapped hole.Īcme can manufacture special Keylocking Threaded Inserts to meet a user’s specific requirements.Īcme’s MS/NAS Style Inserts are produced to the following standards: MS51830, MS51831, MS51832, NAS1394, NAS1395, NA0146, NA0147, NA0148, NA0149, NA0150, and NA0151Īcme also manufactures a complete line of Industrial Style Keylocking Inserts. When an Acme Keylocking Threaded Insert, Keensert® or Keysert® -style insert needs to be removed, the material between the keys is drilled out with a standard drill, the keys are bent inward to break off, and a standard screw extractor is used. Accidental cross-threading is nearly impossible when using these Keylocking Threaded Inserts. The inserts are threaded in by hand, without the need of a pre-winder tool. Anchor Nuts 6 Point Wrenchable Nuts 12 Point Wrenchable Nuts O-Rings & Seals. Locking keys must be driven down into the parent material during installation, providing a positive mechanical lock against rotation. See Installation Data table below for the appropriate tap-drill size. All these inserts are used for thread repair or to bolster the strength of the thread in a parent material, like aluminum for OEM purposes.Īcme Keylocking Threaded Inserts, Keensert® and Keysert®-style inserts are easy to install with standard drills and taps. Keensert® Inserts Threaded Inserts Wire Thread Inserts ITG Air Filters Latches, Hangers & Mounting Hardware Nuts. Key Inserts are installed using standard drills and taps, but the required tap-drill size is slightly larger than normal for that OD thread size. (Keysert is a registered trademark of Howmet Aerospace Fastening Systems.) Another style of insert is the Heli-Coil® insert, which is compared on another page. A product similar to Keensert® inserts is the Keysert® insert. (Keensert is a registered trademark of Huck Patents, Inc). Decimal Equivalents of Millimeter SizesĪcme Keylocking Threaded Inserts are often compared to Keensert® inserts.Decimal Equivalents of Fraction, Wire and Letters Sizes.Keensert® Inserts Compared to Acme Threaded Inserts and Keysert® Inserts.Heli-Coil® Inserts Compared to Acme Keylocking Threaded Inserts.Swage-Sert Thinwall Insert Selection Chart.Industrial Style Keylocking Threaded Inserts.MS/NAS Keylocking Insert Selection Chart.
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