{
  "title": "Surface Roughness",
  "kind": "reference",
  "company": "GRISH / Beijing Grish Hitech",
  "category": "Metrology & quality control",
  "parameters": {
    "Brand / publisher": "GRISH",
    "Content type": "glossary",
    "Language": "English"
  },
  "language": "en",
  "source_url": "https://grish.com/term/surface-roughness/",
  "content_html": "<p>It is the unevenness of the machined surface with small spacing and tiny peaks and valleys. The smaller the surface roughness, the smoother the surface.</p>\n",
  "summary": "It is the unevenness of the machined surface with small spacing and tiny peaks and valleys. The smaller the surface roughness, the smoother the surface.",
  "sections": [],
  "updated_at": "2026-10-16"
}