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    Countersunk Head Threaded Insert - Closed End Keyed - Unified
    Countersunk Head
        
    
    
            
                
                    
                        
                
            
                
            
        
    - Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
 - Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
 
                            Part # | 
                        
                            Thread Size | 
                        
                            Grip Range | 
                        
                            L ± .015 | 
                        
                            Fastening | 
                        
                            Standard Material | 
                        
                            Standard Finish | 
                        
                            CAD | 
                                                        
|---|---|---|---|---|---|---|---|
| AESS10KB366 | Thread Size N/A #10-32 | Grip Range N/A .316 - .366 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB151 | Thread Size N/A 1/4-20 | Grip Range N/A .089 - .151 in | L ± .015 N/A 1.00 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB151 | Thread Size N/A 1/4-20 | Grip Range N/A .089 - .151 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB211 | Thread Size N/A 1/4-20 | Grip Range N/A .151 - .211 in | L ± .015 N/A 1.062 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB211 | Thread Size N/A 1/4-20 | Grip Range N/A .151 - .211 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB271 | Thread Size N/A 1/4-20 | Grip Range N/A .211 - .271 in | L ± .015 N/A 1.125 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB271 | Thread Size N/A 1/4-20 | Grip Range N/A .211 - .271 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB331 | Thread Size N/A 1/4-20 | Grip Range N/A .271 - .331 in | L ± .015 N/A 1.187 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB331 | Thread Size N/A 1/4-20 | Grip Range N/A .271 - .331 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB391 | Thread Size N/A 1/4-20 | Grip Range N/A .331 - .391 in | L ± .015 N/A 1.25 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB391 | Thread Size N/A 1/4-20 | Grip Range N/A .331 - .391 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB451 | Thread Size N/A 1/4-20 | Grip Range N/A .391 - .451 in | L ± .015 N/A 1.312 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS25KB451 | Thread Size N/A 1/4-20 | Grip Range N/A .391 - .451 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB181 | Thread Size N/A 5/16-18 | Grip Range N/A .106 - .181 in | L ± .015 N/A 1.218 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB181 | Thread Size N/A 5/16-18 | Grip Range N/A .106 - .181 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB256 | Thread Size N/A 5/16-18 | Grip Range N/A .181 - .256 in | L ± .015 N/A 1.312 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB256 | Thread Size N/A 5/16-18 | Grip Range N/A .181 - .256 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB331 | Thread Size N/A 5/16-18 | Grip Range N/A .256 - .331 in | L ± .015 N/A 1.406 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB331 | Thread Size N/A 5/16-18 | Grip Range N/A .256 - .331 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB406 | Thread Size N/A 5/16-18 | Grip Range N/A .331 - .406 in | L ± .015 N/A 1.468 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB406 | Thread Size N/A 5/16-18 | Grip Range N/A .331 - .406 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB481 | Thread Size N/A 5/16-18 | Grip Range N/A .406 - .481 in | L ± .015 N/A 1.562 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB481 | Thread Size N/A 5/16-18 | Grip Range N/A .406 - .481 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB556 | Thread Size N/A 5/16-18 | Grip Range N/A .481 - .556 in | L ± .015 N/A 1.625 in | Fastening N/A Uninstalled | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| AESS31KB556 | Thread Size N/A 5/16-18 | Grip Range N/A .481 - .556 in | L ± .015 N/A | Fastening N/A Installed | Standard Material N/A 430 Series Stainless Steel | Standard Finish N/A Passivated and/or Tested Per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
		  
		  
                                            