| HQ3 impregnated diamond core bit and HWT casing shoe is made by diamond and steel with forging process. They are widely used in hard formation drilling in mining, geological drilling and water well drilling. Xi'an Tydrillbits Co.,Ltd is one of the core bit manufactures in China, we supply impregnated core bit, pdc core drill bits, surface set diamond core bits, electroplated diamond core bit, tsp core bit with AQ, BQ, NQ, HQ, PQ, NQ3, HQ3, PQ3, NMLC, HMLC sizes. Today our HQ3 bit and HWT casing shoe will leave and run to clients. If you are also interested in them or related products, please feel free to contact us by Lucy@tydrillbits.com. |