Wholesale 44 Inches HDD Horizontal Directional Drilling Hole Opener for Trenchless  in the stock from China factory. Far Eastern services for clients who works in HDD hard rock and difficult conditions drilling since 2009, we are preparing well to work at any time and any places. Product Features 1. Rock reamer with replaceable roller cutters, suitable for large rigs, trenchless pipe laying, large diameter trenchless construction, etc. Can be used for a variety of rock formations, reaming diameter range from Φ300-2200mm. 2. Strong connection between roller cutters and the body, easy disassembly(can be disassembled with a wrench only). 3. The body can be reused, and the roller cutters can be replaced by three other different sizes, cost saving.Far Eastern are  factory  specializes in drill bits,such as HDD hole opener,Foundation roller cutters ,PDC drill bit,roller cone bit, tricone roller cone bit, tricone bits for different applications. The application including oil field,natural gas,geological exploration,driectional boring,mining ,water well drilling, HDD, construction,and foundation. As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.Far eastern drilling quality and technology will help you to achieve more !