Api hole opener/piling bits/tricone cutters/reamer drilling Product specifications We can supply tricone cutters, tricone cones, reamer bit, hole opener bits, piling bits 1. Used in construction and foundation 2. Very large customized diameter 1)-cutting structure The reamer mainly consists of four or more cones. Cutting structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit (tricone bit). 2)-seal and lubrication High performance hnbr o-ring for bearing seal and advanced grease for lubrication. 3)-product application It is suitable for the large size well, mining and infrastructure applications. 4)-main availability, (bit sizes and cone types can be customized as you special order) Normal diameter Iadc Inch Mm 15” 381.0 117, 127, 517, 537, 617, 637 28” 711.2 117, 127, 517, 537, 617, 637 32” 812.8 117, 127, 517, 537, 617, 637 38” 914.4 117, 127, 517, 537, 617, 637 Why choose us: Because * we are the factory directly, you can get the bottom price base on high quality. * we can offer excellent customer service and prompt delivery. * all our products have to be inspected again by our qc before setting out . * high quality packages are provided to retailers and importers. Contact us now for more details… Iii- our other main products: Tci tricone bits (2 7/8"-36") Steel tooth bits (2 7/8"- 36") Pdc bits (3 7/8"-17 1/2") Drag bits (3" -15") Hole opener/reamer bits (13"-58") Other drilling tools (drilling pipe, casing pipe and so on)