pdc hole opener

Contact NowNewest Design Reamer Bit PDC Coal Mine Drilling ToolZuanLong 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 NowPDC Drag Bit For Coal Mining/Coal Mining Drilling Drag BitZuanlong 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 NowCoal Mining Tools PDC Core Drill Bit Diamond Core Bit For DrillingZLONG Company professionally produces PDC drill bits,diamond drill bit,drill pipes and also R&D new products as per customers'request.All the products under control of ISO9001:2000 quality system and passed the inspection of Beijing Rock-drilling Machine Inspect Center and some of them obtained National patent.Read More
Contact NowCheap Used Best Selling The Factrory Direct Supply,PDC Anchor Shank Drill Bits/Mining PDC Core Drill 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 NowZuanLong PDC Diamond Bits Drag Bit PDC Drill Bit For Borehole 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 Now3wings PDC Step Drag Drlling Bits Water Well Drag Drill BitZuanlong 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 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 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
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