The Park Tool BTS-1 Bottom Bracket Tapping & Facing Set, click to enlarge
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Item # BTS-1

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Bottom Bracket Tapping & Facing Set

The BTS-1 is a precision tool system for ensuring threaded bottom bracket shells are properly aligned and faced. The precision-manufactured two-piece tap handle engages through the bottom bracket shell, ensuring both sides are aligned with the shell and each other. The included English-threaded taps precisely verify and repair the alignment of threads in the shell. After tapping, the taps act as guides to keep the included facing cutter perfectly square with the axis of the bottom bracket for cleanup of the faces of the bottom bracket shell.

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$719.95

Temporarily out of stock

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BTS-1 Features

Includes:

  • 1.370" x 24 TPI right hand tap — English non-drive side (part #691)
  • 1.370" x 24 TPI left hand tap — English drive side (part #692)
  • 45 mm facing cutter (part #690)

Also available:

  • 36 mm x 24 TPI right hand tap — Italian (2 required) (part #693)
  • M47 x 1.0 right hand tap T47 (part #647R)
  • M47 x 1.0 left hand tap T47 (part #647L)
  • 57mm facing cutter (part #690-XL)

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

Documentation

Parts & Accessories

BTS-1

Replacement Parts

690

45 mm Facer

690-XL

57 mm Oversized Facer

690-XXL

65 mm Oversized Facer

692

Left Hand Threaded English Tap

691

Right Hand Threaded English Tap

647L

Left Hand Threaded T47 Tap

647R

Right Hand Threaded T47 Tap


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