diamond core drill bit manufacturer

Contact NowPDC Three Wings Drag Bit, Scarp Drill Bit for Well DrillingZuanlong supplies a variety of drag bits for many types of projects drilling needs, including 3 wings type bits for soft and medium formations, 4 wings, especially 4 wings chevron type for harder formations. Each of our bits is machined from a forging to exacting standards and then tipped with tungsten carbide. Mining grade tungsten carbide tips are brazed to the bits wing face for heavy duty bits. Then pin threads are CNC manufactured and wings surfaced hardening subsequently.Read More
Contact NowPDC 3 Wings Half Tips Bit, Buy Roof Support Bolting Drill BitPDC Roof Support Bolting Drill Bit are mainly used in cola mining roof supporting, gas drainage, water infusion, geological exploration hole and grouting hole drilling.Read More
Contact Now60mm,75mm,94mm,113mm,133mm Pillar Drill Bit Factory DirectZuanlong PDC Pillar Drill Bit has been wildly used to coring-drilling for geological exploratory of coal measure stratum. The normal type is suitable for the f<=10, the reinforced type is suitable for f<=16. Note: Customization are availableRead More
Contact NowBuy PDC Reamer, PDC Reamer Drill Bit, Reamer Bit, Reamer Tool, PDC Hole OpenerZuanLong PDC hole opener was originally developed for coal mining and it has been proved to be exceptionally cost effective for geotechnical drilling. PDC core bits have extremely fast penetration rates and a very long working life. The cutters are extremely tough and can core formations such as hard...Read More
Contact Now2017 Hot Sale PDC Reaming Tool Drill Bit/Hole Reaming Tool Bit From ZaunLong China1). 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 Now1 Inch Bullet Drill Bit,PDC Bullet Drill Bit manufacturer,roof bolting bullet drill bit supplier1. Outperform carbide drilling by 100 to 300 times longer 2. Utilize self-sharpening technology 3. Increase rate of penetration 4. Replace percussion drilling 5. Reduce drill maintenance 6. Lower drill steel cost by reducing thrust requirements and extensive wear 7.Significantly reduce equipment...Read More
Contact NowPDC Arc Pillar Bits/ PDC Drill BitsZuanlong PDC Pillar Drill Bit has been wildly used to coring-drilling for geological exploratory of coal measure stratum. The normal type is suitable for the f<=10, the reinforced type is suitable for f<=16. Note: Customization are availableRead More
Contact NowPDC Non Coring Drill Bit For Geological Exploration / Coal Mining / Water ConservancyThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More
Contact NowFactory Direct Diamond Core Drill Bit For Rock/Diamond Core Bit Set1). 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