Description
The 647L is a T47 (47 mm x 1.0) left hand threading standard tap for use in the BTS-1 Bottom Bracket Tapping Set. This tap is used on the drive side (right side) of the bike. This side of the bike drive uses a counter-clockwise or left hand threading. Note:...
Park Tool Left Hand Threaded T47 Tap - 647L Item # 890158

Description
The 647L is a T47 (47 mm x 1.0) left hand threading standard tap for use in the BTS-1 Bottom Bracket Tapping Set. This tap is used on the drive side (right side) of the bike. This side of the bike drive uses a counter-clockwise or left hand threading.
Note: For sharpening services of cutting tools see Park Tool's Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.