Big hole Rock Borers "BIG MAN" series
KOKEN BORING MACHINE CO., LTD. was founded in 1946 , when the entire country was in the unstable social period right after t he Second World War. Our products/services have taken the leading positions for the country's civil engineering areas : grouting, probing work for tunnel investigation, anchoring, water well construction, hot spring construction, geologic drilling, piling, raise boring and lots of others.
Middle size Arrow drill
Exploring Geothermal energy
Horizontal raise boring