Wholesale 40 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. Regular procedure for hole opener: Step 1: Drill a pilot hole We offer metal-face and elastomer sealed bearing tricone pilot bits, regular sizes includes 5 1/2", 6", 6 1/2", 7 1/2", 7 7/8", 8 1/2", 9 1/2", 9 7/8", etc. Step 2: Enlarge the pilot hole, step by step, with different hole openers from small to big. You can expand the pilot hole by 4" one stage(for example, from 12" to 16" to 20",etc) or 6" one stage(for example, from 12" to 18" to 24",etc). China Far Eastern HDD pilot bit and hole opener specializes in drilling hard rocks, it can drill any type of rock conditions. If you have specific need of the hole opener, tell us please, we are preparing well to offer the most cost-effective solutions. Specification | Size | 40" |
| Cutter Type | Metal-face Sealed Bearing Cutters For 12 1/4" Tricone Bit |
| IADC | 637 |
| Roller Cutter Quantity | 8 |
| Overall Length(mm) | 1800 |
| Thread Connection | NC50(Customized) |
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 !
