| FASTENER LENGTH | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| HEAD HEIGHT | 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | STRIP THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.060 INCHES |
| POINT STYLE | OVAL |
| WIDTH ACROSS FLATS | 0.050 INCHES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.209 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 80 |
| THREAD SERIES DESIGNATOR | UNF |