Thread Size
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          3/8-16 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Grip Range
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .455 - .540 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Identification Mark
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          5 Rad. 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                A ± .015
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          1.312 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                B ± .015
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .781 in
                                                                                    
                                                                                                                                                      | 
                                                    
                                                    
                                                                        
                                                                                C Nom.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .088 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                øD + .000 - .004
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .490 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                E Max.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .597 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                F + .005 -.000
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .120 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                G Max.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .040 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                P - Keyway Width + .003 -.000
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .128 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                H - Keyway Height
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .110 - .115 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Install Drill Size Ref.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          12.5mm 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Install Hole Size Min.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .490 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Install Hole Size Max.
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .500 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Pull Up Factor
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          .155 in
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Weight per 1000
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          38.5 lb
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Fastening
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          Uninstalled 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Thread Specification
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          3B per ASME B1.1 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                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 Supplier
                                                                                                                                                                                                                                 | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          PennEngineering® (Atlas®) 
                                                                                    
                                                                                                                                                     |