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6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits

    Buy cheap 6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits from wholesalers
     
    Buy cheap 6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits from wholesalers
    • Buy cheap 6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits from wholesalers

    6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits

    Ask Lasest Price
    Brand Name : Tianhe
    Model Number : DHD340-140 drill bit
    Certification : ISO9001
    Price : Negotiation
    Supply Ability : 5000pcs/month
    Delivery Time : Shipped in 25 days after payment
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    6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits

    Gold flat spehrical 4 inch DTH drilling tools of DHD340-140 drill bits.




    General Introduction

    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


    Quality 6 Inch DTH Drilling Tools Wear Resist DHD 340-140 Drill Button Bits for sale
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