steel body coring bit with rib band

Contact NowCoal Mining Diamond PDC Roof Bolt Drill Bit Mainly Used In The Industries ,Water ConservancyOur pdc roof bolt coal mine drill bit, which divided into 2 kinds----double wing and triple wing. All suitable for drilling the anchor-network support holes in the coal mine. We could supply the size from Φ25 to Φ42mm. And we also could provide the different strength roof bolting bits, like ordinary type, strengthened type, and super strengthened type.Read More
Contact NowPDC Hole Opener Drill Bit With Extremely Fast Penetration Rates And Very Long Working Life1). Our prodcut has been approved by ISO9001; 2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,ect. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More
Contact NowCoal Mining Drill Tools/impregnated Non Coring Diamond Bit/Non Core PDC Drill Bits，coal Mining BitPDC Three Wings Concave Drill Bit are mainly used for penetrate the degassing hole, drain hole and grouting hole of coal mine.Read More
Contact NowPDC Coal Mine Roof Bolting Drill Bit/PDC Roof Anchor BitPDC anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.Read More
Contact Now1 Inch Dust Hog Drill Bit for roof supporting,Dust Hog Drill Bit manufacturerZuanlong Bits are new and revolutionary for improving the efficiency and mining costs associated with drilling. 1. Drills 50 - 200 times longer 2. Increase tonnage and production 3. Penetrate hard rock faster 4. Reduce thrust requirements by 50%, increasing drill steel life and eliminating...Read More
Contact NowReinforced PDC Coring drill Bit with Steel Body for geological drillingPDC core bits incorporating PDC(Polycrystalline Diamond Compact) cutters can be very cost effective and very productive, which are applied to rock formations of f≤10,mainly used for geological and hydrology drilling. We have two main types of PDC core bits are available: PDC rib core bits and...Read More
Contact NowHigh Quality Non- Coring PDC Diamond Tip Drill Bit/NQ BQ Impregnated Diamond Non Core Bit For Water Well DrillingDifference between three wings and four wings concave drill bits: The three wings normal type concave drill bits suits for f<=8, the reinforced type suites for f<=12 The four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More