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PEM® KEYHOLE® Standoffs are designed so that a PC board or panel can be quickly slipped into place and then removed from an assembly by simply sliding the board sideways and lifting it off. PEM KEYHOLE fasteners can save valuable time and dramatically reduce the amount of loose hardware required. Type SKC can be used for spacing or hanging of replaceable components. Typically, several SKC standoffs are used with one standard PEM threaded standoff which accepts a screw to secure the board ormore
Unit of Measure

Panel 1 (Bottom) Sheet Thickness Min.

1.02 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
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Panel 1 (Bottom) Sheet Hardness Max.1 HRB 70 / HB 125

Panel 2 (Top) Material

Any

A ± 0.08

2.51 mm
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B ± 0.08

4.5 mm

C Max.

5.39 mm

D Anvil Hole + 0.08

5.39 mm

H Nom.

6.35 mm

L - Length ± 0.13

20 mm

M Max.

2.75 mm

S ± 0.08

1.72 mm

Panel 1 (Bottom) Edge Distance C1 Min.

6.60 mm
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Panel 1 (Bottom) Location Tolerance Max.

±.130 in

Panel 2 (Top) Edge Distance C2 Min.

4.1 mm

Standard Material

300 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.