FASTENER LENGTH | 4.734 INCHES MINIMUM AND 4.766 INCHES MAXIMUM |
HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 1340 OR STEEL COMP 8640 OR STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
SHOULDER DIAMETER | 0.809 INCHES MINIMUM AND 0.810 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 16 |
THREAD SERIES DESIGNATOR | UNF |