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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
Panel to Panel, KEYHOLE® Style – Type SKS-R
TSKS-R_Dimension
Unit of Measure
Items Panel to Panel, KEYHOLE® Style – Type SKS-R
TSK4-R1.5-2.5
SELF-CLINCHING KEYHOLE® FASTENERS - TSK4-R™ - Unified
Panel to Panel, KEYHOLE® Style – Type SKS-R
TSK4-R2.0-2.5
SELF-CLINCHING KEYHOLE® FASTENERS - TSK4-R™ - Unified
Panel to Panel, KEYHOLE® Style – Type SKS-R
TSK4-R2.5-2.5
SELF-CLINCHING KEYHOLE® FASTENERS - TSK4-R™ - Unified
Panel 1 (Bottom) Sheet Thickness Min. N/A .032 in
Panel 1 (Bottom) Mounting Hole B + .003 - .000 N/A .237 in
Panel 2 (Top) Thickness Range N/A .032 to .038 in
Panel 2 (Top) Mounting Hole A1 Nom. N/A .059 in
Panel 2 (Top) Mounting Hole A2 ± .003 N/A .118 in
Panel 2 (Top) Mounting Hole A3 ± .003 N/A .197 in
Panel 2 (Top) Mounting Hole A4 Min. N/A .148 in a1326.jpg
Panel 1 (Bottom) Sheet Hardness Max.1 N/A HRB 88 / HB 183
Panel 2 (Top) Material N/A Any
A Max. N/A .032 in SKS-R_Dimension.PNG
B ± .003 N/A .177 in
C Max. N/A .236 in
D Anvil Hole + .003 - .000 N/A .183 in
H Nom. N/A .276 in
M Max. N/A .140 in N/A .159 in N/A .179 in
N ± .003 N/A .099 in
S ± .003 N/A .100 in N/A .119 in N/A .139 in
Panel 1 (Bottom) Edge Distance C1 Min. N/A .276 in SKS-R_Panel.PNG
Panel 1 (Bottom) Location Tolerance Max. N/A ±.005 in
Panel 2 (Top) Edge Distance C2 Min. N/A .160 in
Standard Material N/A 400 Series Stainless Stee
Standard Finish N/A Passivated and/or tested per ASTM A380
CAD Supplier N/A PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.