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The PDC Reamer manufactured by GREAT drill bit will be your best choice to deal with the complicated situation. Our PDC reamer brand is Crocodile.

We, Cangzhou Great Drill Bits Co. Ltd., specialized in R&D, design, production, and sales various drill bits. The drill bits size from 3" to 26" , HDD Hole opener from 8``- 48`` , Such as PDC bit, Roller bit, Tricone bit, PDC Coring bit, Bi-center bits, Hole opener, etc. The Company consistently adheres to the concept of industrial development to promote energy development, adhered to innovative drive, scientific development, and is one of the largest scale companies in Asia for PDC bit and Tricone bit, Hole opener manufacturer.

E-Grind is a professional supplier of premium Suerabrasives material. We provide customers with full range of products line: Synthetic Diamond Powder (both metal bond and Resin bond), Cubic Boron Nitride (CBN), Coated Diamond and CBN, PCD, PCBN, PDC cutters. These material can be used for Grinding, machining, Sawing, Drilling, Lapping, Polishing, wire drawing... The key employees of E-Grind has worked in this industry for more than 20 years. Our target is to offer the consistent quality, the best pricing and the fastest delivery to customers.

Use special drilling tools (PDC bit or Tricone bit, drilling tool) to break up the rock in the stratum to form a well and reach the target layer, which is drilling.