zuanlongbits@gmail.com

+86-029-82612068

Products Catalog



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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drag bits manufacturer

  • Coal Mining Use Pillar PDC Drill Bit For Sandstone, Limestone, Clay Geological PDC Core Bits

    Contact NowCoal Mining Use Pillar PDC Drill Bit For Sandstone, Limestone, Clay Geological PDC Core 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

  • 2017 Factory Direct Bits PDC Hole Rock Reamer Drill Bit With Long Service Life

    Contact Now2017 Factory Direct Bits PDC Hole Rock Reamer Drill Bit With Long Service 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

  • PDC Rock Hole Reaming Drill Bit Supplied By ISO Manufacturer Form ZuanLong China

    Contact NowPDC Rock Hole Reaming Drill Bit Supplied By ISO Manufacturer Form ZuanLong 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

  • China PDC Roof Bolt 25-42mm Coal Mine Drill Bit Manufacturer

    Contact NowChina PDC Roof Bolt 25-42mm Coal Mine Drill Bit Manufacturer1. The wings are higher wear resistance and impact toughness. 2. To repeat repair and grind are not necessary. 3. Long life drill. 4. Drilling efficiency could be promoted sharply in penetration of high –medium hard rock formation and labor intensity could be reduced.Read More

  • 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

  • 1 Inch Dust Hog Drill Bit for roof supporting,Dust Hog Drill Bit manufacturer

    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

  • Best PDC Hole Opener Drilling Bit With Extremely Fast Penetration Rates From ISO Manufacturer ZuanLong

    Contact NowBest PDC Hole Opener Drilling Bit With Extremely Fast Penetration Rates From ISO Manufacturer ZuanLong1). 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

  • PDC Drag Bit For Coal Mining/Coal Mining Drilling Drag Bit

    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

  • 3wings PDC Step Drag Drlling Bits Water Well Drag Drill Bit

    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

  • China Top Manufacturer 3-wing Blade Drag Bit/Drag Bit Sizes/Drag Bit Prices

    Contact NowChina Top Manufacturer 3-wing Blade Drag Bit/Drag Bit Sizes/Drag Bit PricesZuanlong 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