product name Hole opener, reamer bit, hole dilating drill
Cutting Structure
Cutting Structure
The reamer always have multi-cones. Bit cones are spliced from tricone bits and welded to build a new big diameter bit. The pilot is three cone bit .
Product Application: Bigger diameter for piling in construction field, bridge construction, super highway construction, railway construction etc. This kind of bits are suitable for different complex formation, shales, limestone, cobblestone, dolomite, chert, etc.
Main Type Available Regular Bit Diameters: 28 ", 32", 36", 38", etc, and any diameters can be customized, maximum diamer is 1600mm.
1.Suitable for medium to medium hard formation of high Crushing Resistanc (hard shale,sands,etc.)
2.Bit bearing is non-sealed roller bearing.
3.Hardfacing is applied on the shirttail,and carbide inserts for gauge protection are pressed into the head OD.
4.Cone gauge surface is reinforce with carbide compacts.
Hole opener, reamer bit, hole dilating drill
Hole opener, reamer bit, hole dilating drill
