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Polycrystalline Diamond Compact Bit Polycrystalline Diamond Compact Bit is also named PDC bits, diamond bits. Base on the difference in raw materials, it has Matrix body bit and Steel body bit. You can contact with our sales representat... More+
Grteat BIt Drill Bit Shipping More+
Technical Help Cooperate with Famous American manufacturer: Cooperate with famous American manufacturer, introduce R&D team and improve international status.China petroleum university: Established a long-term st... More+
Petroleum GREAT Matrix body PDC bit drilling in hard abrasive formation. More+
GREAT's Videos More+
Steel Tooth Bit Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc.. More+
120 ° U-shaped Roller Bit Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters .... More+
Steel Body PDC Bit GS1915SZ Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit. More+
What is a Diamond Drill Bit? Diamond drill bit is also named diamond PDC bit, it is a type of drilling tool which used for oil and gas, horizontal directional drilling.The full name of diamond drill bit is Polycrystalline Diamond... More+
GREAT Cone Cutters for Core Barrel More+
Great Screw Introduction More+
About GREAT Focus on Drilling bits 20 years .GREAT Brand make Great quality products : Adopt Japan Mazak ,Germany ,DMG, Higher precision processing and strictly quality control .Excellent Feedback from customers ... More+
Warranty Policy According to Product Quality Law of the People's Republic of China,in aim of protecting both manufacturer and consumers,Cangzhou Great Drill Bits Co.,Ltd issue guarantee of products quality as fol... More+
Natural Gas Horizontal wells and directional Wells for gas exploitation, recommend GSD series. More+
Starry Sky Roller Bit Overview Starry Sky Roller BitGREAT has customized manufacture 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The Roller bit mainly used for Rock reamer (Hole opener) ... More+

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