| ThreadDiameter | D | Nominal diameter of the thread, if different from the bolt's overall nominal diameter | Number |
| ThreadLength | L | Nominal length of the thread | Number |
| NutsCount | N | Count of nuts to be mounted on one bolt | Integer |
| WashersCount | W | Shape of the bolt's head, e.g. 'Hexagon', 'Countersunk', 'Cheese' | Integer |
| HeadShape | H | If applicable, shape of the head's slot, e.g. 'Slot', 'Allen | Text |
| KeyShape | K | See Type1. | Text |
| NutShape | N | Shape of the nut, e.g. 'Hexagon', 'Cap', 'Castle', 'Wing' | Text |
| WasherShape | W | Shape of the washers, e.g. 'Standard', 'Square' | Text |