{"format":"cadcraft-library-item","format_version":1,"uuid":"66520411-1634-4df6-9cb3-2bda142b01c6","version":1,"name":"Hex bolt 1/2-13 UNC × 2 in, ASME B18.2.1","kind":"detail","category":"details/generic","description":"Hex bolt, thread 1/2 in, 13 threads per inch, across flats 19 mm, head 8.7 mm, length 50.8 mm, thread 31.8 mm. Side view across corners; thread drawn by the ISO 6410 convention. Dimensions from ASME B18.2.1. Weight from the nominal shape in steel (7850 kg/m³), threads not taken off.","maker":"","model":"","ifc":{"class":"IfcBuildingElementProxy","predefined":"NOTDEFINED"},"plan":{"layers":[{"name":"PART","color":7},{"name":"PART-THIN","color":8},{"name":"PART-CENTER","color":1},{"name":"PART-HIDDEN","color":4},{"name":"PART-FILL","color":254}],"entities":[{"type":"poly","layer":"PART","color":null,"pts":[[-10.999,0],[10.999,0],[10.999,8.731],[-10.999,8.731]],"closed":true},{"type":"line","layer":"PART","color":null,"x1":-5.499,"y1":0,"x2":-5.499,"y2":8.731},{"type":"line","layer":"PART","color":null,"x1":5.499,"y1":0,"x2":5.499,"y2":8.731},{"type":"poly","layer":"PART","color":null,"pts":[[-6.35,0],[-6.35,-48.846],[-4.396,-50.8],[4.396,-50.8],[6.35,-48.846],[6.35,0]],"closed":false},{"type":"line","layer":"PART-THIN","color":null,"x1":-5.151,"y1":-48.846,"x2":-5.151,"y2":-19.05},{"type":"line","layer":"PART-THIN","color":null,"x1":5.151,"y1":-48.846,"x2":5.151,"y2":-19.05},{"type":"line","layer":"PART","color":null,"x1":-6.35,"y1":-19.05,"x2":6.35,"y2":-19.05},{"type":"line","layer":"PART-CENTER","color":null,"x1":0,"y1":11.731,"x2":0,"y2":-53.8}]},"body":null,"params":{"width":22,"depth":59.5,"height":19,"weight_kg":0.0721},"source_attrs":{"CC-PART-TYPE":"Hex bolt","CC-PART-STD":"ASME B18.2.1","CC-PART-SIZE":"1/2-13 UNC × 2 in","CC-PART-MATERIAL":"Steel","CC-PART-LENGTH":"50.8"},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“Hex bolt 1/2-13 UNC × 2 in, ASME B18.2.1” by CadCraft, dimensions from ASME B18.2.1 (https://www.asme.org/codes-standards/find-codes-standards/b18-2-1-square-hex-heavy-hex-askew-head-bolts-hex-heavy-hex-hex-flange-lobed-head-lag-screws), CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"66520411-1634-4df6-9cb3-2bda142b01c6","version":1,"sha256":"e0071092def020d3bfdb90e6309c937ca386376ca3cda700b113df85a013181c","source_file":"hex-bolt-1-2-13-unc-x-2-in-asme-b18-2-1.item.json","source_sha256":"b6a730a67a060c13f1fea9b77500331934f620ccca0059910ae1c1be92817152","published_at":"2026-10-14T21:00:37Z"}}