信頼性のある短スカート 角型ボタン 2ビット 洗浄穴 42mm

Video Description:
Discover the 11 Degree 7 Buttons Carbide Steel Tapered Button Bit for Rock Drilling, designed for hard rock applications in mining and construction. This high-performance bit features tungsten carbide tips and hot-plated skirts for enhanced durability and drilling efficiency.