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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water conservancy roof bolt drill bit

  • Factory Direct Rock Drilling Bit PDC Hole Reamer/ PDC Reamer Drill Bit Seller

    Contact NowFactory Direct Rock Drilling Bit PDC Hole Reamer/ PDC Reamer Drill Bit SellerZuanLong 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

  • Rock Drill Bits/Rock Bit Drilling Rock Bit From ISO Mining Companies

    Contact NowRock Drill Bits/Rock Bit Drilling Rock Bit From ISO Mining CompaniesZLONG 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 3 Wings Half Tips Bit, Buy Roof Support Bolting Drill Bit

    Contact NowPDC 3 Wings Half Tips Bit, Buy Roof Support Bolting Drill BitPDC Roof Support Bolting Drill Bit are mainly used in cola mining roof supporting, gas drainage, water infusion, geological exploration hole and grouting hole drilling.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

  • 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

  • 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

  • Best Standard Diamond Drill Bits Price For Reinforced Concrete Drilling From Mining Drill Bit Manufacturers

    Contact NowBest Standard Diamond Drill Bits Price For Reinforced Concrete Drilling From Mining Drill Bit ManufacturersFind the high-quality PDC sintered core bit for geology drilling, china sintered coring bit for sale at ZUANLONG. Our company, assisted by advanced technology, is sure to offer you the highly precise products with fine workmanship and good performance at the best price.Read More

  • 60mm,75mm,94mm,113mm,133mm Pillar Drill Bit Factory Direct

    Contact Now60mm,75mm,94mm,113mm,133mm Pillar Drill Bit Factory DirectZuanlong 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

  • 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

  • PDC Arc Pillar Bits/ PDC Drill Bits

    Contact NowPDC Arc Pillar Bits/ PDC Drill 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