Back-countersink

{
  "id": "MLC-T-IND-000370",
  "term": "Back-countersink",
  "field": "Industrial and trades",
  "definition": "A machining operation that creates a chamfer or conical enlargement on the back side of a pre-drilled hole. This process removes burrs or prepares the hole for a flush fastener head from the blind side. It requires a specialized tool that can pass through the existing hole and then expand to cut the countersink.",
  "subject": "Machining",
  "references": [
    "Countersink (Wikipedia)"
  ],
  "translations": {
    "de": "Versenker von rückseitig",
    "es": "avellanar desde atrás",
    "fr": "contre-fraisage arrière"
  },
  "url": "https://mlchart.com/terminology/industrial/back-countersink/"
}