The Park Tool 691 Right Hand Threaded English Tap, click to enlarge

Item # 691

/ Tools / Frame & Fork

Right Hand Threaded English Tap

The 691 is a replacement tap for the BTS-1 Bottom Bracket Tapping Set in the 1.370" x 24 TPI right hand threading standard. This tap is used on the non-drive or left side of the bike. This side of the bike drive uses a clockwise or right hand threading.

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691 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



Stay on the Cutting Edge

Use Park Tool Sharpening Services