Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M30 x 2Baer Heli Coil Tap Wire Thread Insert Bottoming Tap (STI) Metric M30 x 2 is your go to precision tool for clean, reliable thread repairs and reinforcements. Built to endure demanding machining work, this tap delivers consistent pitch control and accurate depth when installing Heli Coil wire thread inserts in metric M30 x 2 holes. Why this Baer Heli Coil Tap stands out Durable HSSG construction combines toughness and wear resistance to handle tough