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    Thru-Hole Unthreaded Standoffs - Types SO, SOA SOS - Unified
    Thru-Hole Unthreaded Standoffs – Types SO, SOA, SOS
        
    
    
            
                
                    
                        
                
            
                
    
            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.
        
Unthreaded standoffs are also available for spacing multi-panel assemblies.
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    B - Thru-hole Diameter + .004 - .003 (in)
- .116
- .143
- .169
- .194
L - Length +.002 –.005 (in)
Fastener Material
- 300 Series Stainless Steel
- Aluminum
- Heat-Treated Carbon Steel
Standard Finish
- Passivated and/or Tested Per ASTM A380
- Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
| Item # | 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 | 
|---|---|---|---|---|---|---|---|---|
| SO-4116-4ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .125 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-6ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .187 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-8ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .250 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-10ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .312 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-12ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .375 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-14ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .437 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-16ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .500 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-18ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .562 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-20ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .625 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-22ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .687 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-4116-24ZI | Hole Size in Sheet + .003 - .000 N/A .166 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .165 in | H Nom. N/A .187 in | L - Length +.002 –.005 N/A .750 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-4ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .125 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-6ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .187 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-8ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .250 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-10ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .312 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-12ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .375 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-14ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .437 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-16ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .500 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-18ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .562 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-20ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .625 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-22ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .687 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6116-24ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .116 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .750 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6143-4ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .143 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .125 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6143-6ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .143 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .187 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
| SO-6143-8ZI | Hole Size in Sheet + .003 - .000 N/A .213 in | B - Thru-hole Diameter + .004 - .003 N/A .143 in | C + .000 - .005 N/A .212 in | H Nom. N/A .250 in | L - Length +.002 –.005 N/A .250 in | Fastener Material N/A Heat-Treated Carbon Steel | Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless | CAD                                                    
 N/A   | 
 
                          
 
                                            
 
                                                                