CNC machining surpasses manual drilling in accuracy due to programmed precision, consistency, and ability to handle complex tasks effortlessly. Automation eliminates human errors, ensuring uniformity and reducing production time. CNC machines can execute intricate geometries with ease, achieving precise results consistently. Feedback mechanisms enable real-time adjustments, maintaining accuracy throughout the process. While manual drilling relies on operator skill, it often lacks the precision and efficiency of CNC machining. Overall, CNC's combination of automated precision, consistency, and adaptability makes it the preferred choice for industries where accuracy and efficiency are critical.