Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - BSP - 3/4 x 14Baer Heli Coil Tap is your go to tool for impeccable thread repairs and robust thread reinforcements with wire thread inserts. Specially sized for BSP standards, this bottoming tap (STI) delivers precise 3 4 x 14 threads, creating a clean foundation for Heli Coil style inserts and ensuring long lasting, vibration resistant joints in a variety of metals. Designed for durability and precision, the Baer Heli Coil Tap features a bottoming geometry that