Bolts3DM-19 Metric has been added to Autodesk Civil 3D_English as a Featured paid app.
SoftDraft Bolts 3D Metric App for AutoCAD is a software tool that allows you to easily create bolts, nuts, and washers and place them in 3D Structural Steel models. You can choose from three different insertion types: Down, Side, or Up.
The dimensional data for the bolts are stored in external ASCII data files, and you can add additional dimensional information on bolts or nuts that are unique to your specific application. The software comes with default sizes included in imperial and metric dimensional data files.