Hole opener bit

Key Attributes.

Big Diameter Piling Bit 1. Bigger diameter for piling in construction field, bridge construction, super highway construction, railway construction, etc. 2. This series of bits are suitable for different complexes formation, shales, limestone, cobblestone, dolomite, chert, etc. 3. The advantage of this series of bits is that it can be manufactured in very big diameter as customer's special order, maximum diameter 1600mm.