| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| HARDNESS RATING | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM OVERALL |
| HEAD HEIGHT | 0.452 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
| HEAD STYLE | SQUARE |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4 STYLE |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1010 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1108 OVERALL OR STEEL COMP 1109 OVERALL OR STEEL COMP 1110 OVERALL OR STEEL COMP 1211 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1115 OVERALL OR STEEL COMP 1116 OVERALL OR STEEL COMP 1117 OVERALL OR STEEL COMP 1118 OVERALL |
| POINT STYLE | CUP |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 11 |
| THREAD SERIES DESIGNATOR | UNC |
| WIDTH BETWEEN FLATS | 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |