The Park Tool 647L Left Hand Threaded T47 Tap, click to enlarge
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Item # 647L

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Left 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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647L Features

NOTE: For sharpening services of cutting tools see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.

Compatible Products


Bottom Bracket Tapping & Facing Set

647L & 647R T47 Bottom Bracket Taps



Stay on the Cutting Edge

Use Park Tool Sharpening Services