3 inch impregnated diamond core bit NQ2

3 inch impregnated diamond core bit NQ2 description Product name Impregnated diamond core bit Material Diamond and steel Process Forging Usage Hole drilling and sample coring Application Mining, water well drilling and geological drilling Model size NQ2 OD/ID 75.3mm/50.8mm Unit weight 1kg MOQ 1 piece Packaging Carton box HS code 8207199000 Packaging and shipping Packaging for the 3 inch impregnated bit NQ2 for well drilling is in the carton box; Samples will be sent by express, batch products will be sent by air…