| Thread Size | N/A
                                                                                          1/4-20 | 
                                                    
                                                                        | Grip Range | N/A
                                                                                          .027 - .165 in | 
                                                    
                                                                        | A ± .015 | N/A
                                                                                          1.190 in | 
                                                    
                                                                        | B ± .015 | N/A
                                                                                          .500 in   | 
                                                    
                                                                        | C Nom. | N/A
                                                                                          .030 in | 
                                                    
                                                                        | øD Max. | N/A
                                                                                          .390 in | 
                                                    
                                                                        | K Min. | N/A
                                                                                          .700 in | 
                                                    
                                                                        | M Ref. | N/A
                                                                                          1.005 in | 
                                                    
                                                                        | Hole Size in Sheet + 0.006 - 0.000 | N/A
                                                                                          .391 in | 
                                                    
                                                                        | Fastening | N/A
                                                                                          Uninstalled | 
                                                    
                                                                        | Thread Specification | N/A
                                                                                          2B per ASME B1.1 | 
                                                    
                                                                        | Standard Material | N/A
                                                                                          Low Carbon Steel | 
                                                    
                                                                        | Standard Finish | N/A
                                                                                          RoHS Compliant Zinc Yellow Plus Lubricant | 
                                                    
                                                                        | CAD Supplier | N/A
                                                                                          PennEngineering® (Atlas®) |