Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M36 x 1.5Baer Heli Coil Tap Wire Thread Insert Bottoming Tap (STI) Metric M36 x 1. 5 is the precise tool you need for impeccable thread repairs and reinforcements. Designed to deliver clean, true internal threads that perfectly cradle Heli Coil inserts, this bottoming tap ensures strong, vibration resistant connections in a wide range of metalworking applications. Targeted for Heli Coil inserts: Creates the exact M36 x 1. 5 internal threads that allow seamless