Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M22 x 2 ISO Insert - VN Style 59 mm diameter is a

59 mm diameter is a precision carbide drill engineered for accurate

precise cuts across demanding turning applications

Its robust design gives confidence in daily use

Built to perform in demanding environments

1/4" nominal size with 19 TPI

Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M22 x 2 ISO Insert - VN Style 59 mm diameter is aBaer Heli Coil Tap Bottoming Tap (STI) for Metric M22 x 2 thread repairs and reinforcements. When paired with Heli Coil wire thread inserts, this precision tool restores damaged holes with rock solid threads, delivering reliable performance in automotive, industrial, and machine shop work. Why this tap matters Designed specifically for Heli Coil inserts, the STI bottoming tap cuts clean, accurate M22 x 2 threads all the way to the bottom of the hole.