11 Степень 7 Кнопки Карбидная сталь Конусовая кнопка для бурения по скалам

Video Description:
Discover the Yellow Carbon Steel Tapered Button Bit, a high-performance small hole blasting tool designed for rock drilling. Ideal for mining, tunneling, and construction, this 11-degree 7-button carbide steel bit ensures durability and efficiency. Perfect for rugged applications, it’s made from grade hard alloy and special steel for superior performance.
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