Kee-n-SertTM Metric Sizes Tap & Drill Size Tables
NOTE: Kee-n-SertTM Brand inserts are generally supplied as Industrial Spec. grade but can be supplied in Milspec. grade and with Certificates of Conformity on special order. Internally Locking Keyserts are also available on special order.
External threads on some **Keenserts and trunctated i.e. the bottom of the external thread “V” is flattened off. For this reason ALWAYS use “Keensert’s specified tapping drill size and DO NOT use standard trapping drill sizes”