SUPER B Center Threading and Milling Tool Set-TB-98150

For Imperial Taps: 1.370” x 24 TPI Right-Hand and Left-Hand Threads.
Precision tool system made of high-quality steel.
It is a specialized tool used to tap threads on the bottom bracket shell of a bicycle frame.
The guide keeps the included facing tool perfectly square to the axis of the bottom bracket for cleaning the surface of the bottom bracket shell.
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For English thread taps: 1.370" x 24 TPI right-hand thread and left-hand thread.
A precision tool system made from high-quality steel.
It is a professional tool used for cutting threads on bottom brackets of bicycle frames.
The guide ensures that the included facing tools are perfectly perpendicular to the axis of the bottom bracket, allowing for surface cleaning of the bottom bracket shell.