Basic informationProduct name75mm non core PDC drag bit for water well drillingDrill bit typeNon coring drill bitModle size75mmMaterial45# steel and PDC cuttersApplicationGas drainge hole and geological hole drilling, deep drainage hole and grouting holePDC cutter No.8 piecesRock formationSoft to medium rock formationDrill bit weight1.9kgHS code82071910Delivery1-5 days for sample, 1-15 days for batch productsApplicationCombining wear-resistance of PDC cutter and toughness of carbon steel makes the drill bit has a long service life and high drilling speed. PDC concave bit is suitable for drilling soft to medium hard rock formation. They are often use with underground drilling rig. Concave 3 wing drill bit is also a concave drag bit. 50 56 60 65 concave 3 wing drag bit has a higher durability. It is always the first choice of hole drilling.