PRICES MAY VARY. 【High-Quality Materials】: The drill bits are made of YG8C Carbide, a hard alloy with superior hardness, allowing them to easily handle various hard materials such as concrete, brick, and stone. They are wear-resistant and impact-resistant, remaining sharp even in high-intensity, long-duration, high-impact, and high-vibration work environments. This reduces the frequency of tool replacements and maintenance costs, ensuring a longer service life. 【U-Shaped Flute Design】: This…