Profile: Kemaico USA Corporation specializes in manufacturing and exporting rock drilling tools and related accessories. We are an ISO 9001:2008 certified company. Our products include hammer drilling tools, thread tools, integral drill rods, plug hole rods, rock bolting & self-drilling rock bolts, tap hole drill rods & bits, over burden drilling tools, pre-stressed grouting bolts & grouting anchors, quarry drilling tools, and tungsten carbide hollow drill bars.