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SK4-F™ fasteners are designed so that two sheets can be quickly joined flat against each other. Typically, several fasteners are used with one standard PEM® threaded F™ flush nut (PEM® Bulletin F) which accepts a screw to secure the sheets against any unwanted movement.

  • Allow detachable spacing of two sheets
  • Clinch feature mounts fastener permanently and flush or sub-flush into metal sheet
  • Unique barrel design allows for quick “panel-on-panel” attachment and detachment
  • Can be clinched into
    • more
Unit of Measure

Panel 1 (Bottom) Sheet Thickness Min.

 1.00 mm

Panel 1 (Bottom) Mounting Hole B + 0.08

 5.41 mm
Panel 2 (Top) Thickness Range1 1.45 to 1.62 mm

Panel 2 (Top) Mounting Hole A1 Nom.

 1.5 mm

Panel 2 (Top) Mounting Hole A2 ± 0.08

 3 mm

Panel 2 (Top) Mounting Hole A3 ± 0.08

 5 mm

Panel 2 (Top) Mounting Hole A4 Min.

 3.75 mm
a1326_1.jpg
Panel 1 (Bottom) Sheet Hardness Max.2 HRB 70 / HB 125

Panel 2 (Top) Material

 Any

A Max.

 1.00 mm
a1327_1.jpg

B ± 0.08

 4.5 mm

C Max.

 5.39 mm

D Anvil Hole + 0.08

 4.67 mm

H Nom.

 6.02 mm

M Max.

 2.75 mm

N ± 0.08

 2.5 mm

S ± 0.08

 1.72 mm

Panel 1 (Bottom) Edge Distance C1 Min.

 3.80 mm
a1325_1.jpg

Panel 1 (Bottom) Location Tolerance Max.

 ±.130 in

Panel 2 (Top) Edge Distance C2 Min.

 4.1 mm

Standard Material

 400 Series Stainless Steel

Standard Finish

 Passivated and/or tested per ASTM A380

CAD Supplier

 PennEngineering® (PEM®)
  • 1 Fastener will provide flush application at minimum sheet thickness.
  • 2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.