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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coal mine roof bolting bit

  • Natural Diamond Skin Impregnated Core Bit, Buy HQ,PQ Diamond Coring Bit for Geological

    Contact NowNatural Diamond Skin Impregnated Core Bit, Buy HQ,PQ Diamond Coring Bit for GeologicalMatrix Hardness Comparation Between Zuanlong Manufacturer and Other Company 1. The matrix height is 12mm for K series and 16mm for Series 2. K2/S2, K4/S4, K6/S6 are main choice, K3/S3, K5/S5, K7/S7 can adjust hardness 3. K10,S10 choice is for special formationRead More

  • Best Price Core Bit Set Core Drill Bit For Sale

    Contact NowBest Price Core Bit Set Core Drill Bit For Sale1). 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

  • 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

  • Coal Mine Pick Cutter/Mine Drill Tooth/Rock Cutting Bit Pick

    Contact NowCoal Mine Pick Cutter/Mine Drill Tooth/Rock Cutting Bit Pick1). Our prodcut has been approved by ISO9001:2000; 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,etc. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More

  • 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

  • Premium Quality PDC Opener Hole Drill Bit/PDC Enalrge Hole Reamer Drill Bit

    Contact NowPremium Quality PDC Opener Hole Drill Bit/PDC Enalrge Hole Reamer Drill Bit1). 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

  • 2017 Newest Design PDC Rock Reamer Bit/Rock Reamer Drilling Bit With Best Price

    Contact Now2017 Newest Design PDC Rock Reamer Bit/Rock Reamer Drilling Bit With Best Price1). 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 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

  • Hot Sale Impregnated Diamond Core Bit Best Diamond Bit Price

    Contact NowHot Sale Impregnated Diamond Core Bit Best Diamond Bit Price1). 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

  • 1 Inch Bullet Drill Bit,PDC Bullet Drill Bit manufacturer,roof bolting bullet drill bit supplier

    Contact Now1 Inch Bullet Drill Bit,PDC Bullet Drill Bit manufacturer,roof bolting bullet drill bit supplier1. Outperform carbide drilling by 100 to 300 times longer 2. Utilize self-sharpening technology 3. Increase rate of penetration 4. Replace percussion drilling 5. Reduce drill maintenance 6. Lower drill steel cost by reducing thrust requirements and extensive wear 7.Significantly reduce equipment...Read More