
                                                                                Product | 
                                                                        N/A Tapping Screws | 
                                                                                Unit of Measure | 
                                                                        N/A English | 
                                                                                Type | 
                                                                        N/A Type I | 
                                                                                Nominal Size or Basic Screw Dia. | 
                                                                        N/A No. 8 | 
                                                                                Nominal Size or Basic Screw Dia. (Decimal) | 
                                                                        N/A 0.1640 in | 
| Applicable to Screw Types1 | 
                                                                                    
                                                                                        N/A
                                                                                          1  2 3 4  | 
                                                    
                                                                                Ref. Recess Dia. (M) | 
                                                                        N/A 0.186 in | 
                                                                                Ref. Recess Depth (T) | 
                                                                        N/A 0.107 in | 
                                                                                Ref. Recess Width (N) | 
                                                                        N/A 0.031 in | 
                                                                                Driver Size | 
                                                                        N/A 2 | 
                                                                                Max. Recess Penetration Gaging Depth | 
                                                                        N/A 0.108 in | 
                                                                                Min. Recess Penetration Gaging Depth | 
                                                                        N/A 0.084 in |