carbide tipped concrete drill bits, carbide tipped ...
Aug 08, 2018· About 95% of these are drill bit, 1% are mining machinery parts, and 1% are construction machinery parts. A wide variety of carbide tipped concrete drill bits options are available to you, such as high manganese steel, carbide, and tungsten carbide. There are 3,164 carbide tipped concrete drill bits suppliers, mainly located in Asia.