Drilling Tools

12 1/4′′ 311mm Rock Well Drilling PDC Bits Price

Hejian Hengji Bit Manufacture Co., Ltd.
  • Type:Petroleum Drilling Machine
  • Usage:Well Drilling
  • Certification:ISO
  • Cutters:13 16 19
  • Blades:3-9
  • Transport Package:Wooden Case

Base Info

  • Model NO.:323 223 423
  • Specification:according requirement
  • Trademark:HJ
  • Origin:Hebei
  • HS Code:8207191
  • Production Capacity:100


Operating ParametersRPM (r/min)60~300WOB(KN)20~140ApplicationMedium-hard to hard formations with low compressive strength, such as hard shale, limestone, sand-stone, dolomite, hard gypsum, marble, etc.

Product Description-----high quality PDC drill bit :
1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on 
bit is balanced that 
resulting better stability of the bit.
2. Main cutter are high performance PDC cutters to insure service life of the bit while improving ROP.
3. Cutter exposure is optimized to insure the bit can achieve higher ROP is soft to medium formations.
4. Shock absorbers are designed to make the bit capable of drilling through formations with hard strigers.
5. Hydraulic system of the bit is optimized using dynamic flow pattern simulation technology to enhance 
cleaning and 
cooling effects of the bit to effectively prevent bit from balling.
12 1/4′′ 311mm Rock Well Drilling PDC Bits Price
Company Information
 Hejian Hengji Bit Manufacture Co.,LTD  is specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
    We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
     Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.  We have been always insist on"Hengji bit,focusing on quality".  
Main products
tricone bit(mill tooth and tungsten carbide insert tricone bit)
PDC bit(matrix body and steel body PDC bit)
hole opener(HDD rock reamer,barrel reamer,etc)
drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)
accessories(single cone,bit breaker,nozzle ,etc)   

Contact us
24 Hour Service Line: