Product usage: JINGRI PDC core drill bits are mainly used in geological exploration, coal mines, water resource and hydropower, highways, railways, bridges, construction and other industries.
Product features: 1. Long drill life: PDC as the main cutting teeth, its service life is 10 to 20 times comparing with cemented carbide;
2. High drilling efficiency: the drill bit can always maintain sharpness, greatly improve the drilling scale; the drilling efficiency is 5 to 10 times to normal diamond drill bits.
