| Attribute | Type | Defined By | 
|---|
|  name | label (STRING) | characterized_object | 
|  description | text (STRING) | characterized_object | 
|  placement | shape_representation (ENTITY) | explicit_composite_hole | 
|  countersink_angle | positive_plane_angle_measure_with_unit (ENTITY) | countersink_hole_definition | 
|  countersink_angle_tolerance | tolerance_value (ENTITY) | countersink_hole_definition | 
|  countersink_diameter | positive_length_measure_with_unit (ENTITY) | countersink_hole_definition | 
|  countersink_diameter_tolerance | tolerance_value_or_limits_and_fits (SELECT) | countersink_hole_definition | 
|  drilled_hole_depth | positive_length_measure_with_unit (ENTITY) | countersink_hole_definition | 
|  drilled_hole_depth_tolerance | tolerance_value (ENTITY) | countersink_hole_definition | 
|  drilled_hole_diameter | positive_length_measure_with_unit (ENTITY) | countersink_hole_definition | 
|  drilled_hole_diameter_tolerance | tolerance_value_or_limits_and_fits (SELECT) | countersink_hole_definition | 
|  through_hole | BOOLEAN | countersink_hole_definition |