Threaded Drill Bits: As part of KingKong that to make best effort to be the cost-effective leader for the drilling industry, we have a complete line of fast penetration and rock pulverization threaded bits for the worldwide drilling industry, which are suitable for any type of drilling application including, rock drilling, water well, quarries, open pit and underground mining, construction, and blasting and so on.
Welcome to contact us if you need any tools!!!