샌드 블래스트 25mm 8PC 텅스텐 탄화물 찌질 구멍 톱 키트 92HRC

Video Description:
Discover the 7PC Tungsten Carbide Gritted Hole Saw Kit with 92HRC hardness and sand blast surface treatment. Perfect for cutting abrasive materials like concrete, brick, ceramic tile, and more. Ideal for builders, DIY enthusiasts, and professionals seeking precise, smooth cuts with any variable speed hand drill.
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