D131 mm 대리석에 맞춤형 전압 다이아몬드 드릴 비트

전압 결합 다이아몬드 및 CBN 바퀴
May 09, 2025
Video Description:
Discover the D131 mm Customized Electroplated Diamond Drill Bit for marble, a durable and precise tool designed for drilling hard materials. Ideal for plumbing, electrical installations, and laboratory use, this drill bit offers high cutting efficiency and long lifespan.