Kemaico USA Corporation
Down The Hole Drilling Tools
See Down The Hole Drilling Tools products
Concave, Spherical (Other designs of faces and inserts are available).
Hole Openers for Hammers
Design Principles: To arrive at target depth exactly and improve the productive efficiency with low cost, durable using.
It is suitable for drilling water wells, geothermal wells, short miscopies, medium mini-type grouting hole of building, dam and harbor project.