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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dust hog drill bit for roof supporting suppliers

  • 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

  • Pdc Drill Bit Reinforced Composite Sheet PDC Cutter Drag Drill Bit

    Contact NowPdc Drill Bit Reinforced Composite Sheet PDC Cutter Drag Drill BitFind 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

  • 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

  • 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

  • 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

  • PDC Concave Drilling Bit/ PDC Cutter Bit For Hard Formation Oil Drilling

    Contact NowPDC Concave Drilling Bit/ PDC Cutter Bit For Hard Formation Oil DrillingZLONG 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 Sintered Core Bit for Geology Drilling, China Sintered Coring Bit

    Contact NowPDC Sintered Core Bit for Geology Drilling, China Sintered Coring BitFind 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