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

Home > Products > High Quality Pdc Concave Drill Bit

High Quality Pdc Concave Drill Bit

  • Drilling Pdc Drag Bit/Step Drilling Bit From ZuanLong

    Contact NowDrilling Pdc Drag Bit/Step Drilling Bit From ZuanLongZuanlong 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

  • Drilling PDC Hole Rock Opener Reamer/Mining Use Reamer

    Contact NowDrilling PDC Hole Rock Opener Reamer/Mining Use ReamerZuanLong 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

  • ​Coal Mining Diamond PDC Roof Bolt Drill Bit Mainly Used In The Industries ,Water Conservancy

    Contact Now​Coal Mining Diamond PDC Roof Bolt Drill Bit Mainly Used In The Industries ,Water ConservancyOur pdc roof bolt coal mine drill bit, which divided into 2 kinds----double wing and triple wing. All suitable for drilling the anchor-network support holes in the coal mine. 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

  • 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

  • PDC Roof Drill Bits/coal Bits/Mining Bits/dust Hog Bit

    Contact NowPDC Roof Drill Bits/coal Bits/Mining Bits/dust Hog 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