| Thread Size | N/A
                                                                                          1/4-20 | 
                                                    
                                                                        | Grip Range | N/A
                                                                                          .030 in - Over | 
                                                    
                                                                        | A ± .005 | N/A
                                                                                          .400 in   | 
                                                    
                                                                        | øC Max. | N/A
                                                                                          .3745 in | 
                                                    
                                                                        | D Ref. | N/A
                                                                                          .275 in | 
                                                    
                                                                        | Installation Hole Size at Grip Range | N/A
                                                                                          .375 in at .030 - .090 in .375 in at .091 - .124 in .386 in at .125 - .186 in .391 in at .187 in - Over | 
                                                    
                                                                        | Blind Hole Depth Min. | N/A
                                                                                          .540 in | 
                                                    
                                                                        | Fastening | N/A
                                                                                          Installed | 
                                                    
                                                                        | Standard Material | N/A
                                                                                          Low Carbon Steel | 
                                                    
                                                                        | Standard Finish | N/A
                                                                                          Cadmium Plate per SAE AMS-QQ-P-416, Class III, Type I | 
                                                    
                                                                        | CAD Supplier | N/A
                                                                                          PennEngineering® (Atlas®) |