32mm 6 nút thiết kế màu đen với 2 lỗ rửa ở phía trước

Video Description:
Discover the 36mm 11 Degree Broca Conica Tapered Button Bit with 7 Tungsten Carbide Tips, designed for high-performance rock drilling in mining, tunneling, and construction. This durable bit ensures longer service life and lower drilling costs.