
                                                                                Product | 
                                                                        N/A Tapping Screws | 
                                                                                Unit of Measure | 
                                                                        N/A English | 
                                                                                Nominal Size or Basic Screw Dia. | 
                                                                        N/A 5/16 in | 
                                                                                Nominal Size or Basic Screw Dia. (Decimal) | 
                                                                        N/A 0.3125 in | 
| Applicable to Screw Types1 | 
                                                                                    
                                                                                        N/A
                                                                                          1  3 4  | 
                                                    
                                                                                Max. Head Dia. (A) | 
                                                                        N/A 0.615 in | 
                                                                                Min. Head Dia. (A) | 
                                                                        N/A 0.594 in | 
                                                                                Max. Head Height (H) | 
                                                                        N/A 0.178 in | 
                                                                                Min. Head Height (H) | 
                                                                        N/A 0.162 in | 
                                                                                Max. Head Radius (R) | 
                                                                        N/A 0.099 in | 
                                                                                Max. Slot Width (J) | 
                                                                        N/A 0.084 in | 
                                                                                Min. Slot Width (J) | 
                                                                        N/A 0.072 in | 
                                                                                Max. Slot Depth (T) | 
                                                                        N/A 0.106 in | 
                                                                                Min. Slot Depth (T) | 
                                                                        N/A 0.085 in |