{
  "category": "Threaded Rod",
  "vertical": "fastener-distribution",
  "source": "https://getclaro.ai/resources/attribute-library/fastener-distribution/threaded-rod/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "thread_size",
      "label": "Thread Size",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "1/2\"-13"
    },
    {
      "key": "thread_series",
      "label": "Thread Series",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "UNC"
    },
    {
      "key": "overall_length",
      "label": "Overall Length",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "144 in (12 ft)"
    },
    {
      "key": "rod_configuration",
      "label": "Rod Configuration",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Fully Threaded"
    },
    {
      "key": "material",
      "label": "Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Alloy steel, quenched and tempered"
    },
    {
      "key": "strength_grade_class",
      "label": "Strength Grade / Class",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASTM A193 Grade B7"
    },
    {
      "key": "finish_coating",
      "label": "Finish / Coating",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Hot-Dip Galvanized"
    },
    {
      "key": "thread_direction",
      "label": "Thread Direction",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Right-Hand"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "TR-B7-050-144-HDG"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "10614141500052"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "United States"
    },
    {
      "key": "thread_class_fit",
      "label": "Thread Class (Fit)",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Class 2A"
    },
    {
      "key": "minimum_tensile_strength",
      "label": "Minimum Tensile Strength",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "125,000 psi"
    },
    {
      "key": "minimum_yield_strength",
      "label": "Minimum Yield Strength",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "105,000 psi"
    },
    {
      "key": "weight_per_length",
      "label": "Weight per Length",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "lb/ft",
      "example_format": "0.56 lb/ft"
    },
    {
      "key": "specifications_met",
      "label": "Specifications Met",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASTM A193/A193M Grade B7; ASME B18.31.3"
    },
    {
      "key": "coating_specification",
      "label": "Coating Specification",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASTM F2329"
    },
    {
      "key": "domestic_dfars_compliant",
      "label": "Domestic / DFARS Compliant",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "DFARS compliant (domestic melt)"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Finish / Coating",
      "variants": [
        "HDG",
        "Hot Dip Galv.",
        "Hot-Dipped Galvanized",
        "HD Galv",
        "Hot Dip Galvanised",
        "Galv HD"
      ],
      "normalized": "Hot-Dip Galvanized (ASTM F2329)"
    },
    {
      "attribute": "Thread Size",
      "variants": [
        "1/2-13",
        "1/2\"-13",
        "0.500-13",
        "1/2 IN-13 UNC",
        "1/2-13UNC-2A",
        ".5-13"
      ],
      "normalized": "1/2\"-13"
    },
    {
      "attribute": "Strength Grade / Class",
      "variants": [
        "B7",
        "A193 B7",
        "ASTM A193 Gr. B7",
        "A193/A193M B7",
        "Gr B7 Alloy",
        "B-7"
      ],
      "normalized": "ASTM A193 Grade B7"
    }
  ]
}