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NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design

    Buy cheap NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design from wholesalers
     
    Buy cheap NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design from wholesalers
    • Buy cheap NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design from wholesalers

    NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design

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    Brand Name : PRODRILL
    Model Number : DTH Bit NUMA100-305mm
    Certification : ISO:9001
    Price : Negotiable
    Payment Terms : T/T, L/C,western union D/P etc.,
    Supply Ability : 500Pcs/Month
    Delivery Time : 10-15 DAYS
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    NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design

    DTH Bit NUMA100-305mm Good flushing effect to ensure high drilling rate by high Air pressure for well drilling


    Bit Face Shape Selection:

    1. Drop Center Bit

    2. Concave Face

    3. Convex Face

    4. Double Gauge Face

    5. Flat Face Bit


    Description:


    (1) Made from premium quality nickel alloy steel 25SiMnCrNi2MoVA for increased durability and wear

    characteristics, and YK 05 tungsten carbide as same grade as internationally well-known brand.


    (2) Apply "hot (thermal) insertion" processing procedure to insert the buttons as same as internationally well-known brand


    (4) Entire CNC processing procedure ensure the quality consistency and reliable.


    (5) Military grade requirements of heat treatment guarantee durability, Specific heat treatment

    standards and special “stress relief” processes ensure consistent performance.


    (6) Designed for maximum performance and hole cleaning ability and high penetration rate.


    Our bits are interchangeable with Atlas Copco’s COP32 34 44 54 64 84, Ingersoll-Rand ‘s DHD3.5,DHD3.5HD, DHD 340A , DHD350R, DHD 360, DHD380 QL40, QL50 ,

    QL60, QL80.NUMA100, NUMA120, MISSION60,ect.


    Flat Face Bit
    This is an universal design, especially for hard and abrasive rock formation. Typically, flat face with hemispherical buttons design is the most popular choice.
    This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.


    In general, the larger the number of gauge buttons the better overall performance, especially in hard rock.


    Drill BitBit Dia. (mm)inchAir Holes No.Gauge ButtonsFront Buttons
    Numa10025410312*Φ1820*Φ16
    30512412*Φ1836*Φ16
    31112.25412*Φ1836*Φ16
    31812.5412*Φ1838*Φ16
    33013414*Φ1842*Φ16

    Quality NUMA 100 - 305mm Mining Drill Bits High Drilling Rate Compact Design for sale
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