Impregnated diamond core drilling bit nq3

Impregnated diamond core drilling bit nq3 Quick details of  bit nq3 Product name Impregnated core bits Material Diamond and steel Application Coring rocks Size NQ3 Matrix size 10mm or customized Bit hardness S1-S12 Unit weight 1kg Rock formation Broken formation MOQ 1 piece Parameters of the  impregnated diamond core bit                                 …