SK4 – self-clinching KEYHOLE® fasteners


This version of PEM® KEYHOLE® fasteners are designed to press them into stainless steel sheets. The product itself allows that a PC board or panel can be quickly slipped into place and then removed by simply sliding the board sideways and lifting it off. SK4-61.5 has a standoff capability between 2-25mm while SK4-F joints the panels directly against each other.


  • hardened stainless steel (AISI 400 series) passivated
  • min.1mm sheet thickness
  • 1,45-1,62mm thick panel with keyhole
  • SK4-61.5 type with 2-25mm standoff possibility
  • SK4-F-1.5 type for joining flat against each other
  • up to HRB 88 / HB 183 sheet hardness

Typical applications:

  • sheet metal industry
  • electronic industry

Download catalogue page (PDF)