Starrett 3G-OTH-250616 — Technical Specifications

Name: Starrett 3G-OTH-250616 STARRETT Surface Roughness Specimen: Surface Roughness Specimen, 6.0 micron/236 uin Roughness - Ra (MPN SR-112-1534). Key specifications — attr1181304: STARRETT; attr1181300: Metal; attr1181297: 6.0 micron/236 uin; attr1181298: 21.5µm/847µin.
Brand: Starrett

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.

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Technical Specifications

Parameter	Value
Type	6.0 micron/236 uin Roughness - Ra
Manufacturer Part Number	SR-112-1534