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Wearable 8 Inch DHD380 Rock Bit 271mm Dia Advanced Heat Treatment Technics

Categories DTH Drilling Tools
Brand Name: TIANHE
Model Number: DHD380-271
Certification: IS09001
Place of Origin: CHANGSHA,HUNAN
MOQ: 1
Price: Negotiation
Payment Terms: T/T
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.
Color: Glod
Materail: Alloy steel and carbides
Processing Type: Forging
dth bits Matched hammer: DHD360 Hammer
Button shape: Spherical, Ballistic, Semi-ballistic
Bit face shape: Flat, concave, convex, drop center
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    Wearable 8 Inch DHD380 Rock Bit 271mm Dia Advanced Heat Treatment Technics

    Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 271 mm



    ressure Dth Bits


    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.


    Specification

    1.Steel Carbide
    2.12 years experience
    3.Can match to the original bit shank
    4.Atlas quality

    Buy Wearable 8 Inch DHD380 Rock Bit 271mm Dia Advanced Heat Treatment Technics at wholesale prices
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