Wholesale Foundation Replaceable Type Single Cone Bit for Rotary Drilling Rig Drilling Bucket for hard rock drilling HDD rock reamers in the stock from China OEM manufacturer. Designed for Bauer heavy duty rotary drilling rig initially, now the 142mm foundation usage roller cutters are famous in South-East Asian foundation rock piling sites. Both Replaceable type of roller cutter and direct-welding type of roller cutter are available. Both IADC537G and IADC637G are available for teeth(inserts) shapes. Both vertical bolts and horizontal split pin types of holders are available. Advantage: 1> 142mm Diameter cones are higher than traditional thirds(1/3) of 8 1/2" tricone bits, but height of cones is lower, this design makes diameter of rock drilling ring smaller which means less rocks need to be broke, so the drilling down speed is much faster. 2>Bigger diameter cones has enough space to fit more and bigger tungsten carbide inserts to extend working life. Features of C142 series
Far Eastern are factory specializes in drill bits,such as roller cone bit, tricone roller cone bit, tricone bits,HDD hole opener,Foundation roller cutters 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 !| 1 | Journal sealed bearing with TCI protection on heel of cones. |
| 2 | Bigger cone , TCI covers full cones , longer working life. |
| 3 | Shirttail hard enhanced by Tungsten Carbide. |
| 4 | C142-537 adopts 15mm chisel shape TCI. C142-637 adopts 14mm bullet shape TCI. |
| 5 | C142 series suit for drilling hard & very hard rock hardness more than 100MPa , bigger diameter TC Inserts brings higher wear resistance. |
