| THREAD SERIES DESIGNATOR | ISO M |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 17.83 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 23.93 MILLIMETERS MINIMUM AND |
| 25.73 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL COMP 303 SPRING |
| STEEL COMP 303 FASTENER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| COLOR | BLUE RING |
| HARDNESS RATING | 70.0 ROCKWELL B MAXIMUM THREADS |
| HEAD DIAMETER | 9.28 MILLIMETERS MINIMUM AND |
| 9.78 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 1.95 MILLIMETERS MINIMUM AND |
| 2.21 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| SPECIAL FEATURES | MIN THICKNESS 1.53MM; RETAINER IS MADE OF STEEL COMP 303 WITH PASSIVATED FINISH; TOOL OR FINGER OPERATION; MEETS "OPERATOR ACCESS AREA" REQUIREMENTS SIMILAR TO UL 508; RETAINING RING IS PLASTIC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW HEAD,SPRING-LOADED, METRIC TYPE |