Bottom Bracket Thread Tap
1. Tool For making new threads or reworking damaged or jammed threads.
2. It is made of high-speed steel with titanium plating, which greatly improves the cutting performance of the drill bit, is more wear-resistant and prolongs the service life. It ensures sharp, fast execution while maintaining strength and efficiency.
3. All cutting teeth are precision cnc machined and precisely heat treated for optimum thread performance.
4. Detachable handle, with the adjustable t-handle, you can slide the metal rod left and right to increase leverage in tight places.
Material: Aluminum Alloy + Stainless Steel
Tap Model: BC 1.37*24 TPI / 34.789 BSA Standard
Weight: 1.087kg
Package Includes:
1 Left-End Tap
1 Right-End Tap
2 Rotary Handles
1 Wrench
Instructions:
Please distinguish between the left and right ends of the tapping tool:
Left Side: Crank arm direction
Right Side: Chainring direction
Operation Skills:
Apply special tapping oil to both the tap surface and the bottom bracket's inner diameter before starting.
Ensure the tool and bottom bracket are aligned horizontally before tapping.
During tapping, if resistance becomes too high, reverse a few turns to clear debris, then continue tapping.
Tap (Starter Edition): Made of high-speed steel with a titanium coating, suitable for aluminum alloy bottom brackets.
Tap （Professional Edition）: Made of high-speed steel with a titanium coating and cobalt content, suitable for threading aluminum, steel, and stainless steel bottom brackets.