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3.5 Inch DHD3.5 Button Drill Bit , High Strength Steel Rock Drilling Tools

Categories DTH Drilling Tools
Brand Name: Tianhe
Model Number: DHD3.5 drill bit
Certification: ISO9001
Place of Origin: HUNAN CHANGSHA
MOQ: 1
Price: Negotiation
Supply Ability: 5000pcs/month
Delivery Time: Shipped in 25 days after payment
Packaging Details: dth bits are packed by Woodens outer side, and Cartons inner side.
Rock drilling tools: DTH drill bit
Material: Carbide
Processing type: Forging
Color: Glod(as you need)
Use: blasting,mining,tunneling project
Samples: Avaliable
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    • Product Details
    • Company Profile

    3.5 Inch DHD3.5 Button Drill Bit , High Strength Steel Rock Drilling Tools


    General Introduction

    Bit Face Shape Selection:


    1. Drop Center Bit


    For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.


    2. Concave Face


    The all-around application bit face specifically for medium hard and homogeneous rock formations.


    Good hole deviation control and good flushing capacity.


    3. Convex Face


    For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.


    4. Flat Face Bit


    This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.


    Carbide Button Shape Selection:


    1. Semi-Ballistic Buttons


    2. Ballistic Button


    3. Spherical Button


    4. Two-step Button


    Our Advantages:


    We have advanced production equipment & talented researchers & technicians & rich experiences in R & D and production.
    We using the best quality raw materials.
    We adopting advanced production technology & strict testing procedure.
    We passed ISO9001 quality management system certification.
    We accept OEM manufacturing and produce on your design.


    Raw Material

    Steel:


    First class special alloy steel with high strength, heat resistance and wearable


    Carbide
    The best tungsten carbides from China are commonly applied.
    Tungsten carbide from European is also available.


    Quality Warranty

    Our company response for any quality problem caused by material or machining defect.


    Product Tags:

    rock drill bits

      

    rock hammer drill bits

      
    Quality 3.5 Inch DHD3.5 Button Drill Bit , High Strength Steel Rock Drilling Tools for sale
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