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Zhengzhou Hanfa Prospecting Machinery Co., Ltd.


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Three Wings and Four Wings PDC Drag Bits for coal
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Product: Views:163Three Wings and Four Wings PDC Drag Bits for coal 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-09-06 08:53
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Model Number: pdc drill bit-#8114 Brand Name: HF Key Specifications/Special Features: 1,Application:1,Suit for drilling medium to medium-hard formations.2,Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented.3,Composite gauge protection and low torque design improve rate of penetration.4,CFD hydraulic balance design results in better bit cleaning and cutting removal.5,Combined utilization of high performance PDC compacts significantly prolongs bit lifespanHigher nozzle counts and/or fixed ports to best serve cleaning, cooling and cuttings evacuation requirements with available hydraulic flows. Allows for higher flow rates with minimal increase in pump pressure.Feature: diamonds are impregnated in the matrix behind the PDC cuttersBenefit: increased footage drilled in abrasive applications
Bit type Main bit size(mm) Rock coefficient
PDC core drill bit Single pipe 75/54.5 94/74 113/89 113/109 153/129 1-18
Two-pipes 75/54.5 94/68
PDC center drill bit Concave 3 wing bit 60 75 94 113 133 1-18
Arc pillar 60 75 94 113 133 4-18
Many wing scraper 60 75 94 113 133 133 153 173 190 215 1-6
PDC Indexable drill bit 153/94 153/113 190/153 190/113 1-18
Shipping Information:
  • FOB Port: Qingdao
  • Lead Time: 7 - 15 days
Main Export Markets:
  • Asia
  • Australasia
  • Central/South America
  • Eastern Europe
  • Mid East/Africa
  • Western Europe
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