Alibaba China Diamond Core Drill Bit For Drilling Stone
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 gage 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 life
Higher 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 cutters
Benefit:Increased footage drilled in abrasive applications
Main bit size(mm)
PDC core drill bit
75/54.5 94/74 113/89 113/109 153/129
PDC center drill bit
Concave 3 wing bit
60 75 94 113 133
60 75 94 113 133
Many wing scraper
60 75 94 113 133 133 153 173 190 215
PDC Indexable drill bit
153/94 153/113 190/153 190/113
all kinds and size PDC bits
water well, oil field, construction, geothermal, directional boring, and underground foundation work
sticky, soft, medium hard, hard formation
within 7-15 work days
Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research, manufacture and market. Presently, it has three subsidiaries which are zhengzhou Hanfa Prospecting Machinery Co.Ltd. It has experienced engineers, professional R&D team, special after service team, world class sophisticated equipment and advanced technology guarantee the best quality drilling equipments and best service to its customers. As well we have more than 20 species such as core drilling rig, rotary driling rig, brunt counter circulation drilling machines and hydrology water-well drilling machines.
Our company has passed ISO9001: 2008 quality administrative system certification. Our products have a vast market in foreign countries such as Southeast Asia, South America, Africa and other countries and regions. And the excellent capability, perfect service and eminent quality help Hanfa gain the general recognition both from domestic and overseas users.
Our company implement the corporate culture of "integrity, diligence, strict, profession and efficiency". We are always ready to provide you with best quality, reasonable price and perfect service system in order to establish close, trustworthy and long-term relationship with each customers. If you are interested in our products, please contact us and we will make every effort to give our hand.
1,Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.
2,Are your products qualified?
Yes, our products all have gained ISO certificate, and we have specialized quality inspection department for checking every machine before leaving our factory.
3,How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.
4,Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.
5,What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.
6,How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.