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.

Unthreaded standoffs are also available for spacing multi-panel assemblies.
Thru-Hole Unthreaded Standoffs - Type SO4
Thru-Hole Unthreaded Standoffs - Types SO, SOA, SOS, SO4
Unit of Measure
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Part #

Hole Size in Sheet + .003 - .000

B - Thru-hole Diameter + .004 - .003

C + .000 - .005

H Nom.

L - Length +.002 –.005

Fastener Material

Standard Finish

CAD

SO4-8143-6NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .187 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-8NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .250 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-10NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .312 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-12NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .375 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-14NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .437 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-16NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .500 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-18NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .562 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-20NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .625 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-22NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .687 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8143-24NC N/A .281 in N/A .143 in N/A .280 in N/A .312 in N/A .750 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-4NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .125 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-6NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .187 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-8NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .250 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-10NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .312 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-12NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .375 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-14NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .437 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-16NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .500 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-18NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .562 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-20NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .625 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-22NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .687 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8169-24NC N/A .281 in N/A .169 in N/A .280 in N/A .312 in N/A .750 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8194-4NC N/A .281 in N/A .194 in N/A .280 in N/A .312 in N/A .125 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8194-6NC N/A .281 in N/A .194 in N/A .280 in N/A .312 in N/A .187 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8194-8NC N/A .281 in N/A .194 in N/A .280 in N/A .312 in N/A .250 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
SO4-8194-10NC N/A .281 in N/A .194 in N/A .280 in N/A .312 in N/A .312 in N/A 400 Series Stainless Steel N/A Electroless Nickel over Copper over Nickel strike per ASTM B733 N/A CAD Icon (for items table)
Unit of Measure
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