Triaina Hardmetal offers precision-ground and polished tungsten carbide rods manufactured to ultra-tight dimensional tolerances for the most demanding high-precision applications. Utilizing advanced centerless grinding and mirror-finishing techniques, our rods eliminate surface imperfections and deliver exact outer diameters straight out of the box. Designed for high-accuracy reamers, micro-drills, gauging tools, and specialized rotating instruments, these finished rods ensure seamless tool fabrication, optimal runout accuracy, and exceptional performance right from the start.