Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - UNF - 1.3/8 x 12 G HSS (M2): Ensures secure tool

HSS (M2): Ensures secure tool seating in common holders with a durable cutting edge for longer life

Using the JBO UNEF GO Thread Ring Gauge streamlines quality control by providing immediate

Designed to minimize deflection and chatter

reliable hole diameters

burr-free holes with fewer finishing steps

Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - UNF - 1.3/8 x 12 G HSS (M2): Ensures secure toolWhen a critical thread is damaged, the Baer Heli Coil Tap delivers the precision and durability you need for reliable thread repair and reinforcement. This Bottoming Tap (STI) is specifically designed for UNF threads in 1 3 8" diameter holes with 12 threads per inch, making it the ideal companion for wire thread inserts and Heli Coil installations. Built to endure heavy use, it creates clean, full depth threads that restore strength where it counts.