PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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These standoffs, which use the proven self-clinching design, install with a squeeze in properly sized round holes - and become permanently mounted in the thin sheet.

PEM® brand thru-hole threaded standoffs are installed with their heads flush with one surface of the mounting sheet.
Thru-Hole Threaded Standoffs - Types SO, SOA, SOS
Thru-hole Threaded Standoffs - Types SO, SOA, SOS 2
Unit of Measure
« 6 7 8 

Part #

Thread Size x Pitch

Hole Size in Sheet + 0.08

C - 0.13

H Nom.

L - Length +0.05 –0.13

Fastener Material

Standard Finish

CAD

SO-M3-3ZI N/A M3 x 0.5 N/A 4.22 mm N/A 4.20 mm N/A 4.8 mm N/A 3 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M3-4ZI N/A M3 x 0.5 N/A 4.22 mm N/A 4.20 mm N/A 4.8 mm N/A 4 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M4-20ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 20 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M4-3ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 3 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M4-4ZI N/A M4 x 0.7 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 4 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M5-18Z N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 18 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SO-M5-20ZI N/A M5 x 0.8 N/A 7.14 mm N/A 7.12 mm N/A 7.9 mm N/A 20 mm N/A Hardened Carbon Steel N/A Zinc Plated per ASTM B633, SC1 (5µm), Type III Colorless N/A CAD Icon (for items table)
SOS-3.5M3-14 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 14 mm N/A 300 Series Stainless Steel N/A Passivated and/or Tested Per ASTM A380 N/A CAD Icon (for items table)
SOS-3.5M3-3 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 3 mm N/A 300 Series Stainless Steel N/A Passivated and/or Tested Per ASTM A380 N/A CAD Icon (for items table)
SOS-M3-12 N/A M3 x 0.5 N/A 4.22 mm N/A 4.20 mm N/A 4.8 mm N/A 12.00 mm N/A 300 Series Stainless Steel N/A Passivated and/or Tested Per ASTM A380 N/A CAD Icon (for items table)
Unit of Measure
« 6 7 8