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We supply diamond core bits for hole drilling and sample coring in coal mining, water well drilling and geological drilling, such as impregnated core bit, elctroplated diamond core bit, TSP core bit etc. Impregnated core bit is use for hard rock formation drilling with S1 to S12 hardness size with AQ, BQ, NQ, NQ2, NQ3, NMLC, HQ, HQ3, HMLC, PQ, PQ3 etc; elctroplated diamond core bit is use for little hard formation with lower cost when compared with impregnated core bit, but elctroplated diamond bit is easy to break, for the elctroplated diamond core bit size has 60mm, 75mm, 91mm, 113mm, 133mm, 152mm, 17mm and 200mm. If you are interested in any of our products, please feel free to contact us by Lucy@tydrillbits.com.
