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.

Types SO4 standoffs are for installation into stainless steel sheets as thin as .040”.

If you require a standoff which we do not offer in this bulletin, please contact us. We will be happy to work with you to satisfy your special need.
Thru-Hole Threaded Standoffs - Type SO4
Thru-Hole Threaded Standoffs for Installation into Stainless Steel - Type SO4 2
Unit of Measure
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Part #

Thread Size

Hole Size in Sheet + .003 - .000

C + .000 - .005

H Nom.

L - Length +.002 –.005

Fastener Material

Standard Finish

CAD

SO4-440-4 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .125 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-6 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .187 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-8 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .250 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-10 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .312 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-12 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .375 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-14 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .437 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-16 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .500 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-18 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .562 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-20 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .625 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-22 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .687 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-440-24 N/A .112-40 (#4-40) N/A .166 in N/A .165 in N/A .187 in N/A .750 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-4 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .125 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-6 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .187 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-8 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .250 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-10 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .312 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-12 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .375 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-14 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .437 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-16 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .500 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-18 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .562 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-20 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .625 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-22 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .687 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-6440-24 N/A .112-40 (#4-40) N/A .213 in N/A .212 in N/A .250 in N/A .750 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-632-4 N/A .138-32 (#6-32) N/A .213 in N/A .212 in N/A .250 in N/A .125 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-632-6 N/A .138-32 (#6-32) N/A .213 in N/A .212 in N/A .250 in N/A .187 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-632-8 N/A .138-32 (#6-32) N/A .213 in N/A .212 in N/A .250 in N/A .250 in N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
Unit of Measure
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