Park Tool #692 1.37 x 24 65mm Left Hand Threader English Tap

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1.370" x 24 TPI left-hand threading Sized for English bottom bracket shells The 692 is a 1.370" x 24 TPI left-hand threaded tap designed for use with the BTS-1 Bottom Bracket Tappi ng Set to tap English threaded bottom bracket shells. This tap is used on the drive side (right side) of the bike. NOTE: Always use cutting fluid such as Park Tool CF-2 when machining. Show more