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    Flathead Threaded Insert - Closed End Keyless - Unified
    Flathead
        
    
    
            
                
                    
                        
                
            
                
            
        
    - Designed for high load applications. Available with rib, key or full hex features for high torque applications.
 - 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 | 
                        
                            Inventory | 
                                                                Add To Cart/Request Quote | 
|---|---|---|---|---|---|---|---|---|---|
| AES31B425 | Thread Size N/A 5/16-18 | Grip Range N/A .350 - .425 in | L ± .015 N/A 1.531 in | Fastening N/A Uninstalled | Standard Material N/A Low Carbon Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEA31B425 | Thread Size N/A 5/16-18 | Grip Range N/A .350 - .425 in | L ± .015 N/A 1.531 in | Fastening N/A Uninstalled | Standard Material N/A 6053 Aluminum or 6061 Aluminum | Standard Finish N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AENM31B425 | Thread Size N/A 5/16-18 | Grip Range N/A .350 - .425 in | L ± .015 N/A 1.531 in | Fastening N/A Uninstalled | Standard Material N/A 300 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AESS31B425 | Thread Size N/A 5/16-18 | Grip Range N/A .350 - .425 in | L ± .015 N/A 1.531 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                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEBR31B425 | Thread Size N/A 5/16-18 | Grip Range N/A .350 - .425 in | L ± .015 N/A 1.531 in | Fastening N/A Uninstalled | Standard Material N/A Alloy No. 260 Brass | Standard Finish N/A None - bright as machined | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AES50B450 | Thread Size N/A 1/2-13 | Grip Range N/A .350 - .450 in | L ± .015 N/A 1.671 in | Fastening N/A Uninstalled | Standard Material N/A Low Carbon Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEA50B450 | Thread Size N/A 1/2-13 | Grip Range N/A .350 - .450 in | L ± .015 N/A 1.671 in | Fastening N/A Uninstalled | Standard Material N/A 6053 Aluminum or 6061 Aluminum | Standard Finish N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AENM50B450 | Thread Size N/A 1/2-13 | Grip Range N/A .350 - .450 in | L ± .015 N/A 1.671 in | Fastening N/A Uninstalled | Standard Material N/A 300 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AESS50B450 | Thread Size N/A 1/2-13 | Grip Range N/A .350 - .450 in | L ± .015 N/A 1.671 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                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEBR50B450 | Thread Size N/A 1/2-13 | Grip Range N/A .350 - .450 in | L ± .015 N/A 1.671 in | Fastening N/A Uninstalled | Standard Material N/A Alloy No. 260 Brass | Standard Finish N/A None - bright as machined | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AES37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 in | Fastening N/A Uninstalled | Standard Material N/A Low Carbon Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEA37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 in | Fastening N/A Uninstalled | Standard Material N/A 6053 Aluminum or 6061 Aluminum | Standard Finish N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AENM37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 in | Fastening N/A Uninstalled | Standard Material N/A 300 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AESS37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 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                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEBR37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 in | Fastening N/A Uninstalled | Standard Material N/A Alloy No. 260 Brass | Standard Finish N/A None - bright as machined | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AECH37B455 | Thread Size N/A 3/8-16 | Grip Range N/A .370 - .455 in | L ± .015 N/A 1.656 in | Fastening N/A Uninstalled | Standard Material N/A 4037 Alloy Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AES31B500 | Thread Size N/A 5/16-18 | Grip Range N/A .425 - .500 in | L ± .015 N/A 1.593 in | Fastening N/A Uninstalled | Standard Material N/A Low Carbon Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEA31B500 | Thread Size N/A 5/16-18 | Grip Range N/A .425 - .500 in | L ± .015 N/A 1.593 in | Fastening N/A Uninstalled | Standard Material N/A 6053 Aluminum or 6061 Aluminum | Standard Finish N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AENM31B500 | Thread Size N/A 5/16-18 | Grip Range N/A .425 - .500 in | L ± .015 N/A 1.593 in | Fastening N/A Uninstalled | Standard Material N/A 300 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AESS31B500 | Thread Size N/A 5/16-18 | Grip Range N/A .425 - .500 in | L ± .015 N/A 1.593 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                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEBR31B500 | Thread Size N/A 5/16-18 | Grip Range N/A .425 - .500 in | L ± .015 N/A 1.593 in | Fastening N/A Uninstalled | Standard Material N/A Alloy No. 260 Brass | Standard Finish N/A None - bright as machined | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AES37B540 | Thread Size N/A 3/8-16 | Grip Range N/A .455 - .540 in | L ± .015 N/A 1.75 in | Fastening N/A Uninstalled | Standard Material N/A Low Carbon Steel | Standard Finish N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AEA37B540 | Thread Size N/A 3/8-16 | Grip Range N/A .455 - .540 in | L ± .015 N/A 1.75 in | Fastening N/A Uninstalled | Standard Material N/A 6053 Aluminum or 6061 Aluminum | Standard Finish N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AENM37B540 | Thread Size N/A 3/8-16 | Grip Range N/A .455 - .540 in | L ± .015 N/A 1.75 in | Fastening N/A Uninstalled | Standard Material N/A 300 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    
| AESS37B540 | Thread Size N/A 3/8-16 | Grip Range N/A .455 - .540 in | L ± .015 N/A 1.75 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                                                         | 
                                Inventory N/A {0} | 
    
    
        Add To Cart
    
                                     Request Quote  | 
                    

                                            