With the export market demanding tighter tolerances on finished timber, mills across Australia and New Zealand are overhauling their planer operations. The transition away from traditional high-speed steel (HSS) towards modular, indexible carbide inserts is accelerating. For production managers, the math is simple: indexible tooling offers repeatable accuracy without the need for constant on-site jointing and grinding. We break down the ROI of upgrading planer heads and how it impacts both surface finish and machine uptime.