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PEM® KEYHOLE® Standoffs and sheet joining fasteners 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. These standoffs and fasteners can save valuable time and dramatically reduce the amount of loose hardware required.

Type SKS-R™ fasteners are designed so that two sheets can be quickly joined flat against each other. Typically, several fasteners are used with one standard PEM®more
Unit of Measure

Panel 1 (Bottom) Sheet Thickness Min.

.047 in

Panel 1 (Bottom) Mounting Hole B + .003 - .000

.277 in

Panel 2 (Top) Thickness Range

.047 to .055 in

Panel 2 (Top) Mounting Hole A1 Nom.

.073 in

Panel 2 (Top) Mounting Hole A2 ± .003

.146 in

Panel 2 (Top) Mounting Hole A3 ± .003

.236 in

Panel 2 (Top) Mounting Hole A4 Min.

.181 in
a1326.jpg
Panel 1 (Bottom) Sheet Hardness Max.1 HRB 80 / HB 150

Panel 2 (Top) Material

Any

A Max.

.047 in
SKS-R_Dimension.PNG

B ± .003

.217 in

C Max.

.315 in

D Anvil Hole + .003 - .000

.222 in

H Nom.

.315 in

M Max.

.156 in

N ± .003

.126 in

S ± .003

.115 in

Panel 1 (Bottom) Edge Distance C1 Min.

.295 in
SKS-R_Panel.PNG

Panel 1 (Bottom) Location Tolerance Max.

±.005 in

Panel 2 (Top) Edge Distance C2 Min.

.201 in

Standard Material

Hardened Steel
Standard Finish2 Zinc Plated per ASTM B633, SC1 (5um) Type III, Colorless

CAD Supplier

PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.
  • 2 See PEM Technical Support section of our web site for related plating standards and specifications.

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