When evaluating whether a Glass Drill Bit(https://www.zjrctools.com/product/glass-drill-bits/) can maintain its sharpness and resist overheating during prolonged operation, it is necessary to examine its design fundamentals, material composition, and usage conditions. This type of drill bit is engineered specifically for brittle surfaces such as glass, ceramics, and tiles, meaning its reliability is closely tied to precision cutting edges and heat dissipation mechanisms. Users commonly worry that extended drilling sessions might result in dulling or excessive heat buildup, potentially compromising efficiency or damaging the workpiece. Fortunately, modern tool engineering and responsible usage practices significantly reduce these risks, allowing these bits to deliver dependable performance in continuous tasks.