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Serving machine shops and job shops alike, Travers is your metalworking and industrial supply superstore with over 500,000 tools from more than 800 trusted brands, including a large Made-in-USA product offering.

Our online store is your easy one-stop source for all things metalworking, and we’re positive we can help you find the perfect quality solutions for all your machine shop needs.

The 647R is an M47 x 1.0 right-hand threaded tap designed for use with the BTS-1 Bottom Bracket Tapping Set to tap T47 bottom bracket shells. This tap is used on the non-drive side (left side) of the bike.

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