{
  "category": "Concrete Anchors",
  "vertical": "fastener-distribution",
  "source": "https://getclaro.ai/resources/attribute-library/fastener-distribution/concrete-anchors/",
  "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": "anchor_type",
      "label": "Anchor Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Wedge Anchor"
    },
    {
      "key": "anchor_diameter_nominal",
      "label": "Anchor Diameter (Nominal)",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "1/2 in (12.7 mm)"
    },
    {
      "key": "overall_length",
      "label": "Overall Length",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "3-3/4 in"
    },
    {
      "key": "thread_size",
      "label": "Thread Size",
      "group": "technical",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "1/2-13 UNC"
    },
    {
      "key": "head_drive_style",
      "label": "Head / Drive Style",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Hex Nut and Washer"
    },
    {
      "key": "body_material",
      "label": "Body Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Carbon steel"
    },
    {
      "key": "finish_coating",
      "label": "Finish / Coating",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Zinc Plated (ASTM B633 SC1 Type III)"
    },
    {
      "key": "drill_bit_diameter_hole_size",
      "label": "Drill Bit Diameter (Hole Size)",
      "group": "fit",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "1/2 in"
    },
    {
      "key": "minimum_embedment_depth_hnom",
      "label": "Minimum Embedment Depth (hnom)",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "2-1/4 in"
    },
    {
      "key": "approved_base_material",
      "label": "Approved Base Material",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Normal-weight concrete; grout-filled CMU"
    },
    {
      "key": "manufacturer_part_number_mpn",
      "label": "Manufacturer Part Number (MPN)",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "WA-50334-ZP"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "10614141002501"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "TW"
    },
    {
      "key": "maximum_fixture_thickness_grip",
      "label": "Maximum Fixture Thickness (Grip)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "in",
      "example_format": "7/8 in"
    },
    {
      "key": "installation_torque_tinst",
      "label": "Installation Torque (Tinst)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "ft-lb",
      "example_format": "50 ft-lb"
    },
    {
      "key": "minimum_base_material_thickness_hmin",
      "label": "Minimum Base Material Thickness (hmin)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "in",
      "example_format": "5 in"
    },
    {
      "key": "evaluation_report_number",
      "label": "Evaluation Report Number",
      "group": "evidence",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "ICC-ES ESR number as issued"
    },
    {
      "key": "cracked_concrete_seismic_qualification",
      "label": "Cracked-Concrete & Seismic Qualification",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Cracked and uncracked concrete; seismic per evaluation report"
    }
  ],
  "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"
    },
    {
      "attribute": "Anchor Type",
      "variants": [
        "Wedge",
        "Wedge Anchor",
        "Stud Anchor",
        "Wedge Stud",
        "Expansion Stud Anchor",
        "WEDGE ANC"
      ],
      "normalized": "Wedge Anchor"
    },
    {
      "attribute": "Anchor Diameter (Nominal)",
      "variants": [
        "1/2",
        "0.500",
        ".5 in",
        "1/2\"",
        "12.7mm",
        "1/2 IN"
      ],
      "normalized": "1/2 in"
    }
  ]
}