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Online literature contains the most current information available.
PEM SNAP-TOP® Standoffs (Types SSA, SSS, SSC) are designed for permanent installation into metal panels or PC boards.

These all-metal standoffs use a spring action to hold PC boards and subassemblies securely, while allowing for quick removal. Screws and other threaded hardware are eliminated. This means less parts to handle during assembly and less risk of damaging delicate circuitry because of loose parts falling into your equipment.

These standoffs are permanently installed in the panel by squeezing them into a properly sized hole using any standard press.
Unit of Measure

Panel 1 (Bottom) Thickness Min.

N/A .040 in

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

N/A .213 in
Panel 2 (Top) Thickness Range1 N/A .040 to .070 in

Panel 2 (Top) Mounting Hole A +.003 -.000

N/A .156 in
Panel 1 (Bottom) Hardness Max.2 N/A HRB 60 / HB 107

Panel 2 (Top) Hardness Max.

N/A No limit
Panel 1 Material3 N/A Metal

Panel 2 (Top) Material

N/A PC Board or Metal

L - Length ± .005

N/A .437 in a1328.jpg

B ± .005

N/A .188 in

C Max.

N/A .212 in

H ± .005

N/A .250 in

P ± .005

N/A .141 in

Panel 1 (Bottom) Edge Distance C1 Min.

N/A .260 in

Panel 1 (Bottom) Location Tolerance Max.

N/A ±.005 in

Panel 2 (Top) Edge Distance C2 Min.

N/A .100 in

Standard Material

N/A Carbon Steel

Standard Finish

N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

Anvil Hole Diameter

N/A .216 - .219

CAD Supplier

N/A PennEngineering® (PEM®)
  • 1 Available for thicker boards on special order.
  • 2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.
  • 3 Type SSA standoffs can be installed into cold-rolled steel provided hardness is less than HRB 50. HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.