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

Home > Products > diamond concave drill bits

diamond concave drill bits

  • 27-42mm Anchor Drill Bit/ Roof Bolt Bit/ Pdc Shank Bit For Sale

    Contact Now27-42mm Anchor Drill Bit/ Roof Bolt Bit/ Pdc Shank Bit For Sale1. Our drill bit adopt the new type material--- superhard PDC cutters as its main cutting tool, so the service life of drilling is 10~30 times longer than the cemented carbide bits under the same rock formation; 2. Has high wear resistance and high impact resistance toughness, which reduces the labor intensity; 3. Non-diameter reduction and high successful hole rate, which greatly improves drilling effiency in soft and medium-hard rock formation; 4. PDC is not easy to be collapsed ensured perfect stability in penetration and hole drilling; 5. All of our roof bolting bits could be made to the inner spiral; 6.Wide range of application from 5≤f≤12.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

  • 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

  • Best Selling Pdc Drilling Bits Water Well Drag Bit/pcd Drilling Bits

    Contact NowBest Selling Pdc Drilling Bits Water Well Drag Bit/pcd Drilling BitsZuanlong 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 Drilling Drag Bit/ZuanLong Step Drag Bits/chevron Drag Bit Best Price

    Contact NowPDC Drilling Drag Bit/ZuanLong Step Drag Bits/chevron Drag Bit Best PriceZuanlong 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 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

  • 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

  • Four Wings Concave Drill Bit With Sintered Body For Hard Rock, PDC Matrix Body Bit Supplier

    Contact NowFour Wings Concave Drill Bit With Sintered Body For Hard Rock, PDC Matrix Body Bit SupplierPDC Sintered concave drill bit is mainly used for drilling soft-medium formation, such as mud shone, limestone, shale, sandstone and granite etc, it has been wildly used to penetrate the degassing hole, drain hole and grouting hole of coal mine, water, road construction, bridge and building. And...Read More

  • Long Service Life/High Wear Resistance/High Impact Resistance PDC Anchor Shank Drill Bit

    Contact NowLong Service Life/High Wear Resistance/High Impact Resistance PDC Anchor Shank Drill Bit1. 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

  • Factory Direct Concave Type PDC Diamond Non Core Drill Bits For Hard Rock

    Contact NowFactory Direct Concave Type PDC Diamond Non Core Drill Bits For Hard RockThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More