Gold Member Since 2008
Audited Supplier
Zhuzhou ZZ Import and Export Co., Ltd.

Drilling Bits, Mining Tools, Tungsten Carbide Tools for Rock and Soil manufacturer / supplier in China, offering Rock Drilling Tools DTH Drilling Tools PDC Drilling Tools DTH, Vacuum Welding Tungsten Caribde Wear Parts of The Brick Making Mould, Carbide Cutting Tools (finishing and high precision) and so on.

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Supplier Homepage Product Drilling bits Mining bits Rock Drilling Tools DTH Drilling Tools PDC Drilling Tools DTH

Rock Drilling Tools DTH Drilling Tools PDC Drilling Tools DTH

FOB Price: US $1-100 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $1-100/ Piece
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Port: Zhuzhou, China
Production Capacity: 5000 PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram, Can discuss together

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Basic Info
  • Model NO.: Drill Bit
  • Certification: CE, ISO9001: 2000
  • Steel: Stable Quality Steel
  • Precisionc: High Precision
  • Layout: Vertical
  • Color: Yellow, Red
  • Delivery Time: 20 Days After Confirming The Order
  • Transport Package: Export Standard Packing
  • Origin: Hunan, China (Mainland)
  • Type: Tungsten Carbide
  • Carbide: Yk05 High Quality Carbide
  • Pressing: Hot Mounted
  • Structure: Deep Hole Drilling
  • Service: OEM and ODM
  • Trasport Terms: by Sea, by Air
  • Trademark: ZZ HARDMETAL
  • Specification: CE
Product Description
Rock Drilling Tools DTH Drilling Tools PDC Drilling Tools DTHTungsten carbide Tools for Rock and Soil Project
ZZ Hardmetal has accumulated roduction mining engineering equipment experience along with an excellent knowedge of technical requirements for mining engineering mechanical products and the latest development trends in the industry. We have our own production facilities with the main products being mining cemented carbide and excavator drilling tools. We export our products to over 20 countries sucg as America, France, Austrilia, Canade, South Africa, Malaysia, Brazil, England, and Korea.

To meet growing customer demand both domestically and abroad, the main products are various low, middle, and high pressure DTH hammer and bits, Eccentric and centralized drilling tools, tunneling shielded tools, threaded drilling bits, shanks and coupling sleeves, jionts, drilling pipes and drilling mechanical parts.

Hope to find a we to cooperate with you!


-- carbide rod from Zhuzhou City the carbide base
-- over 100 types or customized
-- free technical servicce available.

Advantages of our carbide products:
1. Made from 100% virgin raw material;
2. Produced with advanced equipments and process;
3. All products go through in-process and final inspection.
4. Free online technical service available.
5. Stable and continuous production ability.
Impact rate at 17 Bar28Hz27Hz25Hz
Recommended Rotation speed28r/min25-40r/min20-30r/min
Air consumption10bar80L/s100L/s1450L/s


DTH hammer type
Length(less bit)1160mm1248mm1487mm
Weight(less bit)70.00kg98.00kg188.00kg
External diameterΦ125mmΦ142mΦ180m
Bit shankHD55C DHD350QCOP64/DHD360COP84/DHD380
Hole range(mm)Φ135-155Φ155-190Φ195-254
Connection threadAPI 2³/8" Reg.API 2³/8" Reg.API 41/2" Reg.
API 31/2" Reg.  
Working pressure0.5-2.5Mpa0.5-2.5Mpa0.5-2.5Mpa
Impact rate at 17 Bar25Hz23Hz20Hz
Recommended Rotation speed20-30r/min15-25r/min15-20r/min
Air consumption10bar140L/s175L/s190L/s

Contact person: Christine
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Ms. Christine Tang
Foreign Sales
To: Ms. Christine Tang

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