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 | This is the 6 1/4" step type carbide drag bit, it is made by quality tungsten carbide insert with forging process, have high performance in the soft formation drilling for mining and water well drilling, carbide drag bit has lower cost when compared with PDC bits and tricone bits. Xi’an Tydrillbits Co.,Ltd is one of the high quality step type drag bit manufacturers in China, we supply drilling spare parts since 2010, till now we have clients in more than 60 countries, if you are interested in our quality step type carbide drag bits, please feel to contact us by Lucy@tydrillbits.com. |
