All 4 products from SHANDONG TOP MACHINERY EQUIPMENT CO.,LTD..

This is a hexagonal metal nut used in conjunction with bolts to create secure connections. It is suitable for a variety of mechanical and construction applications.

This rock drilling button bit is designed for efficient rock penetration. It features tungsten carbide buttons for enhanced cutting performance and durability in mining and construction applications.

This high-strength steel coupler is designed for rock drilling and piling applications. It ensures secure and reliable connections in demanding construction environments.

Self-drilling hollow anchor bars are utilized in ground engineering for soil nailing, rock bolting, and tunneling. This system combines drilling, anchoring, and grouting into one operation, providing reliable support with accessories like couplers, nuts, and plates.