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Volume of bolt holes

Last updated June 12, 2017 by Steel Extensions tekla.extensions-steel@trimble.com

Software version: 
Not version-specific
Not environment-specific

Volume of bolt holes



Purpose and description
System requirements
Installing Volume of bolt holes
Using Volume of bolt holes
Application properties

Purpose and description

Use the Volume of bolt holes component to calculate the volume of the bolt holes that affect a part and to write them into a UDAobject property created by the user in order to widen the range of predefined object properties

User-defined attributes are used when the predefined object properties are not sufficient but more properties are needed. For example, comment, locked, and erection status are user-defined attributes.

file. You can see the values in the UDA file when you inquire the part. You can use that UDA in reports to calculate the real volume of the part, and also the weight. The name of the UDA is BOLT_HOLEsmall hollow open throughout a part or assembly that is usually used for fastening parts with bolts or other such objects

Hole is created in the same way as bolts and hole properties are defined in the bolt properties.


System requirements

Tekla Structures version: Not version specific
Environments: All

Installing Volume of bolt holes

To install the extension:

  1. Download the Volume of bolt holes installer package from Tekla Warehouse. For more information see Downloading an application from Tekla Warehouse.
  2. Install the file package.

Using Volume of bolt holes

To use the applicationpart of Tekla Structures functionality that is developed in order to extend the capability of Tekla Structures but that is not included in the Tekla Structures installation


  1. Open a Tekla Structures model.
  2. Click the Applications & components button  in the side pane to open the Applications & components cataloguser interface for displaying or modifying information in categorized lists

    For example, profile catalog and shape catalog are catalogs.

  3. Search for Volume of bolt holes and then double-click to open it.
  4. The Volume of bolt holes dialog box opens.

  1. Make the desired modifications.
    1. If the selected option is set to All parts, the tool calculates the bolt groupgroup of bolts that forms a connecting building object between an assembly main part and secondary parts

      The number of bolts in a bolt group depends on the bolt group shape and the values of bolt distances.

      volume for all parts that have bolts.

In the message panel the tool displays the bolt group volume.

  1. If the selected option is set to Selected parts, the tool calculates the bolt group volume only for the selected parts that have bolts.

In the message panel the tool displays the bolt group volume.

The values are also displayed in the Inquire dialog box of the parts.

Application properties

Property Description
Selection option Define for which option to run the tool.
The options are:
  • All parts - Run the tool for all parts that have bolts.
  • Selected parts - Run the tool for selected parts.
OK Use to run the tool.
Cancel Use to close the dialog box. Does not remember the current selected option.

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by Raquel Pérez

Hi, the latest version available is 21.1. When will it be available for the 2016i version?

by Oxana Kyllönen

Version 1.0 was uploaded on April 23, 2018 it is available for 2016i versions and newer.