Item # 647L
/ Tools / Frame & ForkLeft Hand Threaded T47 Tap
The 647L is a T47 (47mm 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.
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NOTE: For sharpening services of cutting tools see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.