WS‑400 Handheld Pneumatic Tapping Machine: Features a comfortable pistol-grip design with a built-in metal auxiliary handle. Pneumatically driven, it supports forward and reverse rotation and has a maximum no-load speed of 400 rpm. Tapping capacity: up to M10 in aluminum, up to M8 in cast iron, and up to M6 in steel; retapping capacity up to M14; collet size range: 3–12. The machine is lightweight and stable, with low air consumption, high speed, and gentle force, minimizing the risk of tap breakage. It is ideal for batch tapping and retapping/thread repair in mold-making, hardware, and machining workshops.
