Electrical knockouts are used to create tabs in electrical outlet casings so they can be pushed out when the hole needs to be used. When placing an order or requesting a quote, please provide a drawing of the part.

Single Knockouts

Standard units with custom punches and dies are used for forming single electrical knockouts.  The dies have built-in strippers for easy removal of the formed work piece.  The maximum material thickness is 1/16” mild steel.

When ordering, please send a drawing that specifies the following:

  •  Actual knockout diameter
  •  Thickness of material
  •  Number of tabs (one or two)

Single Knockouts with Single Tabs

Single Knockouts with Double Tabs

Double Knockouts

Both standard and modified units are used with custom punches and dies for forming double electrical knockouts.  The tooling is designed  per customer specifications.  The dies have built-in strippers for easy removal of the formed work piece. The maximum material thickness is 1/16″ mild steel.

When ordering, please send a drawing that specifies the following:

  • Outside knockout diameter
  • Inside knockout diameter
  • Thickness of material
  • Number of tabs (one or two)

Double Knockouts with double tabs

Let’s Discuss How UniPunch Can Help You

Tell us about your project, and we’ll recommend the right UniPunch solution for your needs.

REQUEST A QUOTE