Starrett 3G-OTH-250616 — Spesifikasi Teknis

The STARRETT Surface Roughness Specimen (MPN SR-112-1534) is a metal reference specimen for surface roughness testers, featuring a roughness Ra of 6.0 micron/236 uin and a total height of 21.5µm/847µin. This STARRETT-branded specimen provides a physical standard for calibrating or verifying surface roughness measurements.