قطعه حفاری کانری سنگ آلیاژ سخت که برای دستگاه حفاری سنگ دستی استفاده می شود

سرنا
November 20, 2024
Video Description:
Discover the Tapered 7degree 38mm Carbon Steel Button Bit for Hard Rock Mining, designed for high-performance drilling in tough conditions. Perfect for handheld rock drill rigs, this bit is made from grade hard alloy and special steel, ensuring durability and efficiency in mining, construction, and quarry applications.