| Message: | Cross-type drill bit is the main tool used for impacted drilling in mining excavation engineering,Website:http://drilloscar.com, the taper-joint hard alloy bits of our company includes: straight bits, cross-shaped bits, three-blade bits, spherical tooth type bits and drill tools of drilling machine as well as other series of products. Bits are made of high quality alloy steel in precision forging process, choose different alloy grades and product types based on different rock condition, straight horseshoe bit are suitable for all kinds of rock grades, such as limestone, granite and marble; also suitable for the rock drilling engineering of the iron ore, gold ore, etc.. |
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