Feature: 1. THREADING OIL APPLICATION: Before use, apply threading oil to the surface of the tap and the internal diameter of the bottom bracket to ensure smoothly and precise tapping on the same horizontal thread. If encountering excessive resistance during tapping, back off a few turns to clear the chips before continuing. 2. ANTI SLIP HANDLE DESIGN: Bottom bracket thread tapping tool features an anti slip handle design that is both practical and visually appealing. This design ensures a comfortable grip for easy use and enhanced control. 3. VERSATILE USAGE: Specifically designed for milling and inspecting bottom brackets, this tool is ideal for repairing damaged or shallow threads. It helps restore thread depth and enhances the overall functionality of bottom brackets. 4. REPLACEABLE THREADING DIES: Equipped with replaceable threading dies, this tool allows for deeper chip removal and smooth tapping. These threading dies have a longer lifespan, ensuring no burr threads for a strong and robust finish. 5. EFFICIENT CHIP REMOVAL: Bottom bracket thread repair screw tap tool adopts a deeper chip removal design to prevent chip accumulation during tapping, minimizing the risk of aluminum chips corroding. 6. ROBUST CONSTRUCTION: The tool's main body is made of excellent quality aluminum alloy, ensuring high hardness and lightweight characteristics. This sturdy and robust construction guarantees long term use and reliability. Specification: Item Type: Bottom Bracket Thread Tapping Tool Material: Stainless Steel+Aluminum Alloy. Package List: 2 x Bottom Bracket Thread Tapping Tool 2 x Tapered Tap