These are the right and left hand taps for all our T47 bottom bracket shells. Both sides measure M47 x 1.0 D-2 8 flute, have a controlled minor diameter, and are made from nitrited M-42 steel. Manufactured in the USA by Cheboyan Tap & Tool Co.
- These taps are designed to fit Park Tool handles.
- Do not apply excessive force on the tap, it will break! See our Guidelines for Use for more information.
- Video of how to tap a T47 bottom bracket shell here.
Item sold as 2 piece set.