The DCK 500W Corded features a 500W high-power motor that can achieve sustainable and stable output with a maximum metal tapping specification of M12. Adjustable speed Multi-speed step-less speed adjustment with precise control and more stable power transmission. One-key switch between forward and reverse, ensuring high efficiency. High accuracy. With an automatic correction function to ensure accurate tapping. With an automatic reverse exit function. Ensure tapping quality and improve work efficiency at the same time. The self-locking switch design can easily cope with long-term continuous work.