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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 mm

Panel 1 (Bottom) Mounting Hole B + 0.08

5.41 mm

Panel 2 (Top) Thickness Range

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.jpg
Panel 1 (Bottom) Sheet Hardness Max.1 HRB 70 / HB 125

Panel 2 (Top) Material

Any

A Max.

1 mm
a1327.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
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Panel 1 (Bottom) Location Tolerance Max.

±.130 mm

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 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.