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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 1.02mm.

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
1 2 3 4 5 

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

SO4-M3-3 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 3 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-4 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 4 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-6 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 6 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-8 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 8 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-10 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 10 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-12 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 12 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-14 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 14 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-16 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 16 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3-18 N/A M3 x 0.5 N/A 4.22 mm N/A 4.2 mm N/A 4.8 mm N/A 18 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-3 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 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-4 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 4 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-6 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 6 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-8 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 8 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-10 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 10 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-12 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 12 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-14 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 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-16 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 16 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-3.5M3-18 N/A M3 x 0.5 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 18 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-3 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 3 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-4 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 4 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-6 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 6 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-8 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 8 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-10 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 10 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-12 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 12 mm N/A 400 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SO4-M3.5-14 N/A M3.5 x 0.6 N/A 5.41 mm N/A 5.39 mm N/A 6.4 mm N/A 14 mm 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
1 2 3 4 5