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  • Chisel Bit Taper Drilling - China

    price: contact company for price

    Chisel rock drill bit is mainly used for hard or very hard

    rock formation. Excellent performance due to the advanced

    heat treat processing adapted and the good hole cleaning

    ability. and it is widely applied in Ore Mining, water well

    drilling, grantie, ect

    The Diameter of Chisel rock bit from 30mm to 42mm with taper

    degree 6, 7, 11, 12.

    Material: Alloy Steel

    Processing Type: Forging

    Machine type: Drilling tool

    To ensure the normal service life, the taper drill bits need

    to be matched well with taper drill rods, the taper degree

    must be the same between taper drill bits and taper dill

    rods; The penetration depth of taper drill rods which into

    the taper hole of taper dill bits should be over 25mm, and

    the head of the taper drill rods should not touch the bottom

    of the taper of taper drill bits, otherwise the taper drill

    bits would be lost easily during operation.


    1. High drilling efficiency.

    2. Long life service, less failure.

    3. Less Oil comsuption.

    About Us:

    1. Our factory has been specialized in manufacturing &

    exporting drilling tools and spare parts over 10 years.

    2. We have advanced technology and equipment.

    3. Our technician has more than 10 year' s professional

    working experience.

    4. Our products are exported throughout the world. Main

    market: Russia, USA, South Africa, Canada, Australia, Brazil,

    Uruguay, etc.

    Questions you may be interested in:

    1. Payment: T/ T, Western Union, Paypal

    2 Delivery time: Based on your order qty, generally it

    takes 15- 20 days for

    production. only need 2 or 3 days if it’s available in our


    3. Shipment:

    Trail order: we suggest by DHL, express

    Bulk order: we suggest by sea.

    4. Quality control: We have our experienced QC Dep.

    They will perform stick inspection and tesing for every

    order before shipping out.

    5. About aftersale services

    Our sales team and technical Dep. Will be available at any

    time. ( Holidy excluded)

    Company Contact:

    • Phone: 8673188031001

    • Address: Xin Yao North Road,Tian Xin District,Chang Sha Cit, Chang Sha, China

    • Email: Email

    Published date: April 27, 2015 -

    • Business Description: Great Wall Diamond Drill (Hong Kong) Co., LTD is a famous modern high

      tech enterprise, which specializing in manufacturing and exporting rock

      drill equipment and pneumatic tool. The company was founded in 2005, and

      located in the center of China industrial ChangSha. Our company has

      the full sets of producing rock drilling machine and pneumatic tool , by

      using high quality raw material, utilizing advanced craft technology and

      imposing strict quality inspection,independently research and develop

      the most advanced high air pressure DTH hammer in China, various kinds

      of DTH bits, accentric overburden drilling equipment,various kinds of

      threaded drilling bits, reverse circulation hammers and bits , shank

      adapters and coupling sleeves, drill tube, and accessories of rock

      drilling and other products. The products are being well sold in China

      and exported to United States, Australia, Canada, Brazil,South Africa,

      South Korea and other countries.

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