Seller greatdrillbit

Tuesday, April 02, 2024

GREAT has customized manufacture several types of roller bit. Our roller cone drill bit includes the 90 ° U-shaped Roller Bit series and the 120 ° U-shaped Roller Bit series. All these two types have designed Starry Sky Roller Bit. The cones are designed with more full insert than...

Tuesday, April 02, 2024

Overview of Rock Reamer Hole Opener The Rock reamer produced by GREAT company is used to expand the diameter of the pilot hole and is mainly used for horizontal directional drilling of oil, natural gas, electric power, and other pipelines. The HDD Rock reamer is designed for reaming...

Tuesday, April 02, 2024

Overview RC Drill Bit RC PDC drill bit from GREAT are manufactured from AISI 4145H heat-treated steel. Reverse circulation drill bit are widely used in geological exploration samples, oil wells, mining, and other fields. The reverse circulation drilling method combined with RC drill...

Tuesday, April 02, 2024

Overview of PDC Hole Opener Drill bit opener is designed for the enlargement of pilot holes and large hole applications. They are also used for road and river crossing applications. The hole opener is made of AISI 4145H fully heat-treated alloy steel. All products have carbide grinding...

Tuesday, April 02, 2024

Overview of PDC Cutter PDC cutters are made of diamond micro-powder and cemented carbide substrate sintered under ultra-high pressure and high temperature. It has high hardness, high wear resistance and thermal conductivity of diamond, and has the strength and impact toughness of...