Multi-Functional Performance: This versatile machine goes beyond tapping, also supporting tasks like reaming, thread inspection, jewelry making, DIY initiatives, and small-scale processing. It is an essential tool for hobbyists, machinists, and DIY enthusiasts seeking a reliable and multi-purpose manual threading solution. High-Efficiency Gear Ratio: This manual tapping machine boasts a 7.5:1 gear ratio, allowing one complete turn of the hand crank to drive the drill chuck 7.5 times. This powerful amplification of torque facilitates rapid and effortless thread tapping, significantly cutting down physical exertion and enhancing your workflow efficiency in various tasks. Versatile Chuck Sizes: Select from four interchangeable chuck sizes (0.6–6mm, 1.5–13mm, 3–16mm) designed to accommodate a wide range of tap sizes and drill bits for any material. The precision chucks ensure a firm grip, resulting in consistent and clean threading results throughout all your projects. Heavy-Duty Metal Construction: Constructed with robust metal housing and a stable mounting base, this tapping machine is designed for reliability over the long haul. Its durable components can endure repeated use, delivering smooth and dependable performance even in the most demanding workshop settings. Compact Design for Workbenches: With dimensions of just 120×80×100mm, this hand crank tapper is compact and can comfortably fit on any workbench or in small work areas. Its sturdy base ensures stability during operation, making it perfect for home workshops, hobbyists, and on-the-go repairs.