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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Drill Bits Coal Mining

  • 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

  • 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 2 Wings Half Tips Bit,Dust Hog Anchor Shank Coal Mining Drill Bit Suppliers

    Contact NowPDC 2 Wings Half Tips Bit,Dust Hog Anchor Shank Coal Mining Drill Bit SuppliersPDC 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

  • 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

  • PDC Anchor Bolt Coal Mining Drill Bits

    Contact NowPDC Anchor Bolt Coal Mining Drill BitsWhat is the Detail of PDC Anchor Bolt Coal Mining Drill Bits? 1) Adopt new superhard materials, cutting bit long service life. 2) Can greatly improved drilling efficiency of in medium hard rock and harder medium. 3) The blade is durable, do not need to grinding, easy to use. 4) It reduces the labor intensity of workers. It’s suitable in 4 to 12 class rock stratum.Read More

  • PDC Four Wings Concave Drill Bit, Non Coring Bit for Well Drilling

    Contact NowPDC Four Wings Concave Drill Bit, Non Coring Bit for Well DrillingThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read 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 Water Well Drill Bits Hard Rock Drill Bits For Sale Small Rock Mining Drill Bits

    Contact NowFactory Direct Water Well Drill Bits Hard Rock Drill Bits For Sale Small Rock Mining Drill BitsZLONG 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 Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices

    Contact NowPDC Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices1,)Customized product is provided,just provide us the drawing,or detailed size; 2,)Free samples is provided, Business started after your test successfully; 3,)Promise you factory price,stable stock,and fast delivery; 4,)If quality is not satisfy your market,cost will be returned to your side; 5,)ZLONG makes quality as its life,best service as its soul.Whenever you need,ZLONG is at your side; 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

  • Hole Reamer Drill Bit PDC Reamers Bit 2017 Top Quality With Best Price

    Contact NowHole Reamer Drill Bit PDC Reamers Bit 2017 Top Quality With Best PricePDC 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 limestones with occasional bands of harder rock such as ironstone.Read More