PEM® Self-clinching fasteners | Bossard Sweden

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PEM® Self-clinching fasteners

PEM® self-clinching fasteners are inserted in a hole in the workpiece. There the self-clinching fastener displaces the material in the region of the drill-hole. This material flows by cold-forming into a recess in the shank area of the fastener. A serration or a specially-shaped head now prevents the workpiece rotating – the self-clinching fastener becomes one with the workpiece. In addition, the PEM® self-clinching fasteners leave no damage or bulges behind on the back of the component.

Advantages:

  • Extremely stress-resistant even in thin sheets from 0.5 mm
  • No special treatment of the drill-hole needed
  • No reworking of the thread
  • Ideal also for coated surfaces
  • High positional accuracy

  • PEM® Self-Clinching Nuts
  • Features
PEM® Self-clinching nut

Self-clinching nuts have high twist- and pull-out resistance. They are available in various different shank lengths. Self-clinching nuts are suitable for metallic materials, in some cases even for use in stainless steel panels. The range of parts also includes nuts flush on both sides, closed parts, nuts with thread-locking as well as miniature designs. There is a parallel product line for insertion in PC boards.

 

PEM® Self-clinching nut
  • Available in various materials, surface designs, lengths and variations
  • Thread sizes: from M2 to M12

  • PEM® Round Self-Clinching Nuts
  • Features
PEM® Round Self-Clinching Nut

Round self-clinching nuts are suitable for twist-resistant screw connections resilient from both sides in thin-walled workpieces. The designs of type RMHB were specially designed for use in restricted installation spaces as miniature designs. Unlike self-clinching nuts, the shank is riveted. For this reason, distance from the edge is a less-important criterion.

PEM® Round Self-Clinching Nut
  • Material: Galvanised steel, colourless passivated 
  • Thread sizes: M3 - M4 - M5

  • PEM® Self-Clinching Studs
  • Features
PEM® Self-clinching pins

The self-clinching studs for through holes are flush on the head side after installation. Thus no additional flanging or welding is required. Suitable for use in metallic materials, in some cases even for use in stainless steel panels. Heavy-duty stud designs with projecting head offer even better high twist- and pull-out resistance. Special studs for use in blind holes permit concealed installation.

 

PEM® Self-clinching pins
  • Available in various materials, surface designs, lengths and variations
  • Thread sizes: from M2.5 to M10 and also in coarse-thread

  • PEM® Studs (Threadless)
  • Features
PEM® Studs (Threadless)

In addition, threadless studs for metallic materials are available. These can be used as positioning pins or stops.

PEM® Studs (Threadless)
  • Available in various materials, lengths and variations

  • PEM® Self-Clinching Standoffs
  • Features
PEM Self-Clinching Standoff

Self-clinching standoffs for through holes are flush on the head side after installation. Thus no additional flanging or welding is required. Suitable for use in metallic materials, in some cases even for use in stainless steel panels. Twist-resistance is assured by the hexagon head. Special standoffs for use in blind holes permit concealed installation.

PEM Self-Clinching Standoff
  • Available in various materials, lengths and variations
  • Thread sizes: M3 - M4 - M5 and miniature thread sizes and various through-hole options

  • PEM® Self-Clinching Captive Panel Screws
  • Features
PEM® Self-Clinching Captive Panel Screws

Self-clinching captive panel screws are captive screws either sprung or unsprung. Great variety with various fixing and release possibilities, various support surfaces and lengths of screw.

PEM® Self-Clinching Captive Panel Screws
  • Available in various materials, lengths and variations
  • Thread sizes: M3 - M4 - M5 - M6

  • PEM® Spacer
  • Features
PEM Spacer

Press-in spacers for "keyhole" mounting can be used in metallic materials. They enable components to be attached and detached quickly.

PEM® Spacer
  • Stainless steel, various spacer lengths

  • PEM® SMT Nuts
  • Features
PEM® SMT Nuts

These self-clinching nuts are taped, and are specially designed for PC board mounting. Available with or without adhesive spot. Set by soldering both in through-contact and non-plated drill-holes. There is no risk of damage to the PC board when this procedure is used.

PEM® SMT Nuts
  • Material: Tinned steel
  • Thread sizes: M2 - M2.5 - M3 - M4 - M5

  • PEM® SMT Spacers
  • Features
PEM® SMT Spacers

These spacers are taped and are specially designed for PC board mounting. Available with or without adhesive spot. Set by soldering both in through-contact and non-plated drill-holes. There is no risk of damage to the PC board when this procedure is used.

PEM® SMT Spacers
  • Material: Tinned steel
  • Thread sizes and designs: M3 and through holes 3.6 - 4.2

PEM® Self-clinching fasteners