Hydraulic rotary cutter bit advantage · Fracture-proof and wear resistant carbide tip · High-quality soldered connection between tip and shaft · Large base diameter to protec
Thread extension steel bars for rock drilling include extension rod, MF rod, light extension drill rod, drifter rod, shank adapter drill rod etc. We can also call such thread extension drill rod as th
A number of patented technology makes our products have many outstanding features: small original driving force, fast speed, stability control, low noise, simple, reliable, easy maintenance, flexible
A number of patented technology makes our products have many outstanding features: small original driving force, fast speed, stability control, low noise, simple, reliable, easy maintenance, flexible