Fasteners Workbench

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Fasteners Workbench icon

Introduction

The Fasteners workbench icon.svg Fasteners Workbench is an external workbench that can add various fasteners to parts.

Fasteners toolbars.png

The optional single toolbar layout of the workbench.
Fasteners with metric dimensions have orange icons.
Fasteners with inch dimensions have green icons.

Installation

  1. Install the Fasteners Workbench via the AddonManager.svg Addon Manager. For manual installation see Installing more workbenches.
  2. Restart FreeCAD.
  3. Select the Fasteners workbench icon.svg Fasteners Workbench from the Workbench dropdown list.
  4. Optionally change the toolbar and menu layout:
    1. Go to: Edit → Preferences... → Fasteners → General settings → Toolbar screw icons grouping.
    2. Select one of the available options:
      • None: All fasteners appear in a single toolbar. To see all available buttons use the >> button to expand it.
      • Separate toolbars: Fasteners are grouped in several toolbars. This is the default layout.
      • Dropdown buttons: Fasteners are grouped in toolbars with flyouts.
    3. Restart FreeCAD.

Usage

Fasteners can be attached or unattached. Attached fasteners have a Database Object, a circular edge, and their DataPlacement is dynamically linked to that object. The Fasteners Move.svg Fasteners Move command can be used to attach or detach a fastener.

Unattached fasteners

  1. Select the desired fastener by clicking its button or by picking it from the menu.
  2. A fastener is created at the origin.
  3. Optionally change the dimensions and other properties of the fastener:
    1. Select the fastener.
    2. Go to the Data tab of the Property editor.
    3. Change the required properties.

Attached fasteners

Fasteners Attached Selected.png Fasteners Attached Created.png

On the left two selected circular edges. On the right the attached fasteners.

  1. Specify if the selected holes are tap holes or pass holes by selecting Fasteners MatchTypeInner.svg Fasteners MatchTypeInner or Fasteners MatchTypeOuter.svg Fasteners MatchTypeOuter respectively (not used for countersunk screws).
  2. Select one or more circular edges and/or faces with circular edges. For countersunk screws the top edge of the chamfered hole must be selected.
  3. Select the desired fastener by clicking its button or by picking it from the menu.
  4. A fastener is attached to each of the selected circular edges.
  5. The default dimensions of each fastener depend on the radius of the circular edge it is attached to. Countersunk screws are matched by their head diameter, other fasteners are matched by their shaft diameter.
  6. Optionally change the dimensions and other properties of the fasteners. See above.
  7. Fasteners that appear upside-down can be inverted with the Fasteners Flip.svg Fasteners Flip command or by changing their Datainvert property.
  8. Optionally change the Dataoffset property to create space between the fasteners and the edges they are attached to.

Notes

  • To generate threads, the Datathread property of a fastener must be changed to true. Generating threads is costly. Recomputes take much longer if there are many fasteners with threads in a document.
  • The Datainvert property and the Dataoffset property are ignored for unattached fasteners.

Commands

  • Fasteners Move.svg Move fastener: Move and attach a fastener to a circular edge. Can also be used to detach a fastener.
  • Fasteners BOM.svg Generate BOM: Create a spreadsheet with a bill of materials for the fasteners in the document.

Fasteners

Fasteners with metric dimensions have orange icons. Fasteners with inch dimensions have green icons.

Self-clinching and PCB fasteners

  • Fasteners PEMPressNut.svg Self-clinching nut.
  • Fasteners PEMTHStandoff.svg Self-clinching standoff.
  • Fasteners PEMStud.svg Self-clinching stud.
  • Fasteners PCBStandoff.svg PCB standoff Female/Male.
  • Fasteners PCBSpacer.svg PCB spacer Female/Female.
  • Fasteners IUTHeatInsert.svg Heat staked insert.

Hexagon head screws and bolts

  • Fasteners ISO4017.svg ISO 4017 Hexagon head screw. Product grades A and B.
  • Fasteners ISO4014.svg ISO 4014 Hexagon head bolt. Product grades A and B.
  • Fasteners EN1662.svg EN 1662 Hexagon head bolt with flange, small series.
  • Fasteners EN1665.svg EN 1665 Hexagon head bolt with flange, heavy series.
  • Fasteners ASMEB18.2.1.6.svg ASME B18.2.1.6 UNC Hexagon head screw.
  • Fasteners ASMEB18.2.1.8.svg ASME B18.2.1.8 UNC Hexagon head screw with flange.

Hexagon socket screws

  • Fasteners ISO4762.svg ISO 4762 Hexagon socket head cap screw.
  • Fasteners DIN7984.svg DIN 7984 Hexagon socket head cap screw with low head.
  • Fasteners DIN6912.svg DIN 6912 Hexagon socket head cap screw with low head with center.
  • Fasteners ISO7380-1.svg ISO 7380-1 Hexagon socket button head screw.
  • Fasteners ISO7380-2.svg ISO 7380-2 Hexagon socket button head screw with flange.
  • Fasteners ISO10642.svg ISO 10642 Hexagon socket countersunk head screw.
  • Fasteners ISO7379.svg ISO 7379 Hexagon socket head shoulder screw.
  • Fasteners ISO4026.svg ISO 4026 Hexagon socket set screw with flat point.
  • Fasteners ISO4027.svg ISO 4027 Hexagon socket set screw with cone point.
  • Fasteners ISO4028.svg ISO 4028 Hexagon socket set screw with dog point.
  • Fasteners ISO4029.svg ISO 4029 Hexagon socket set screw with cup point.
  • Fasteners ASMEB18.3.1A.svg ASME B18.3.1A UNC Hexagon socket head cap screw.
  • Fasteners ASMEB18.3.2.svg ASME B18.3.2 UNC Hexagon socket countersunk head screw.
  • Fasteners ASMEB18.3.3A.svg ASME B18.3.3A UNC Hexagon socket button head screw.
  • Fasteners ASMEB18.3.3B.svg ASME B18.3.3B UNC Hexagon socket button head screw with flange.
  • Fasteners ASMEB18.3.4.svg ASME B18.3.4 UNC Hexagon socket head shoulder screw.
  • Fasteners ASMEB18.3.5A.svg ASME B18.3.5A UNC Hexagon socket set screw with flat point.
  • Fasteners ASMEB18.3.5B.svg ASME B18.3.5B UNC Hexagon socket set screw with cone point.
  • Fasteners ASMEB18.3.5C.svg ASME B18.3.5C UNC Hexagon socket set screw with dog point.
  • Fasteners ASMEB18.3.5D.svg ASME B18.3.5D UNC Hexagon socket set screw with cup point.

Slotted head screws

  • Fasteners ISO2009.svg ISO 2009 Slotted countersunk flat head screw. Product grade A.
  • Fasteners ISO2010.svg ISO 2010 Slotted raised countersunk head screw. Product grade A.
  • Fasteners ISO1580.svg ISO 1580 Slotted pan head screw. Product grade A.
  • Fasteners ISO1207.svg ISO 1207 Slotted cheese head screw. Product grade A.
  • Fasteners ASMEB18.6.3.1A.svg ASME B18.6.3.1A UNC slotted countersunk flat head screw.

H cross head screws

  • Fasteners DIN967.svg DIN 967 Pan head screw with collar with type H cross recess.
  • Fasteners ISO7045.svg ISO 7045 Pan head screw with type H cross recess. Product grade A.
  • Fasteners ISO7046.svg ISO 7046 Countersunk flat head screw with type H cross recess. Product grade A.
  • Fasteners ISO7047.svg ISO 7047 Raised countersunk head screw with type H cross recess. Product grade A.
  • Fasteners ISO7048.svg ISO 7048 Cheese head screw with type H cross recess.

Hexalobular socket head screws

  • Fasteners ISO14579.svg ISO 14579 Hexalobular socket head cap screw.
  • Fasteners ISO14580.svg ISO 14580 Hexalobular socket cheese head screw.
  • Fasteners ISO14582.svg ISO 14582 Hexalobular socket countersunk head screw, high head.
  • Fasteners ISO14583.svg ISO 14583 Hexalobular socket pan head screw.
  • Fasteners ISO14584.svg ISO 14584 Hexalobular socket raised countersunk head screw.

Other head bolts

  • Fasteners ASMEB18.5.2.svg ASME B18.5 UNC Round head square neck bolt.

Washers

  • Fasteners ISO7089.svg ISO 7089 Plain washer, normal series. Product grade A.
  • Fasteners ISO7090.svg ISO 7090 Plain washer chamfered, normal series. Product grade A.
  • Fasteners ISO7092.svg ISO 7092 Plain washer, small series.
  • Fasteners ISO7093-1.svg ISO 7093-1 Plain washer, large series. Product grade A.
  • Fasteners ISO7094.svg ISO 7094 Plain washer, extra large series.
  • Fasteners ASMEB18.21.1.12A.svg ASME B18.21.1.12A UN washer, narrow series.
  • Fasteners ASMEB18.21.1.12B.svg ASME B18.21.1.12B UN washer, regular series.
  • Fasteners ASMEB18.21.1.12C.svg ASME B18.21.1.12C UN washer, wide series.

Nuts

  • Fasteners ISO4032.svg ISO 4032 Hexagon nut, style 1. Product grades A and B.
  • Fasteners ISO4033.svg ISO 4033 Hexagon nut, style 2. Product grades A and B.
  • Fasteners ISO4035.svg ISO 4035 Hexagon thin nut, chamfered. Product grades A and B.
  • Fasteners EN1661.svg EN 1661 Hexagon nut with flange.
  • Fasteners DIN557.svg DIN 557 Square nut.
  • Fasteners DIN562.svg DIN 562 Square nut.
  • Fasteners DIN985.svg DIN 985 Nyloc nut.
  • Fasteners ASMEB18.2.2.1A.svg ASME B18.2.2.1A UNC Machine screw nut.
  • Fasteners ASMEB18.2.2.4A.svg ASME B18.2.2.4A UNC Hexagon nut.
  • Fasteners ASMEB18.2.2.4B.svg ASME B18.2.2.4B UNC Hexagon thin nut.

Miscellaneous

  • Fasteners ScrewTap.svg Arbitrary length threaded rod for tapping holes.
  • Fasteners ScrewTapInch.svg Arbitrary length threaded rod for tapping holes.
  • Fasteners ScrewDie.svg Arbitrary length threaded tube for cutting external threads.
  • Fasteners ScrewDieInch.svg Arbitrary length threaded tube for cutting external threads.
  • Fasteners ThreadedRod.svg Arbitrary length DIN 975 threaded rod.
  • Fasteners ThreadedRodInch.svg Arbitrary length UNC threaded rod.

References

Links