zuanlongbits@gmail.com

+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

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best roof bolting bullet drill bit

  • Best Price Auger Drill Tools/Mining Bits/Rock Drill Bit Manufacturer/Rock Bit Manufacturer

    Contact NowBest Price Auger Drill Tools/Mining Bits/Rock Drill Bit Manufacturer/Rock Bit ManufacturerZLONG 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.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.We sincerely welcome our friend both home and abroad to come for business talks.Read More

  • China Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bits/Rock Drill Bits Manufacturer

    Contact NowChina Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bits/Rock Drill Bits Manufacturer1,)Adopt new super hard materials,with long service life during cutting bit process 2,)Greatly improved drilling efficiency in medium hard rock and hard rock. 3,)The blade is durable,do not need to grinding,easy to use 4,)It can be used in the coal mine, such as traffic, water and electricity industries bolting hole drilling. 5,)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

  • PDC Roof Bolt Drill Bit Two Wings PDC Drill Bit Anchor Drill Bit

    Contact NowPDC Roof Bolt Drill Bit Two Wings PDC Drill Bit Anchor 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

  • Coal Mine Pick Cutter/Mine Drill Tooth/Rock Cutting Bit Pick

    Contact NowCoal Mine Pick Cutter/Mine Drill Tooth/Rock Cutting Bit Pick1). Our prodcut has been approved by ISO9001:2000; 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,etc. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More

  • PDC Three Wings Drag Bit, Scarp Drill Bit for Well Drilling

    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

  • PDC Rib Band Core Bit with Steel Body, Rib Coring Bit for Pneumatic Rock Drill

    Contact NowPDC Rib Band Core Bit with Steel Body, Rib Coring Bit for Pneumatic Rock DrillPDC 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

  • Factory Direct Diamond Core Drill Bit For Rock/Diamond Core Bit Set

    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

  • Hot Sale Impregnated Diamond Core Bit Best Diamond Bit Price

    Contact NowHot Sale Impregnated Diamond Core Bit Best Diamond Bit Price1). 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

  • Rock Drilling Equipment Rock Dill Bits Used For Mining Industry Mining Bit For Sale

    Contact NowRock Drilling Equipment Rock Dill Bits Used For Mining Industry Mining Bit For SaleZLONG 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.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.We sincerely welcome our friend both home and abroad to come for business talks.Read More