| DISTANCE FROM CENTERLINE TO FLAT | 0.445 INCHES NOMINAL |
| FASTENER LENGTH | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM |
| HARDNESS RATING | 92.6 ROCKWELL C MINIMUM AND 98.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 1.312 INCHES MINIMUM AND 1.374 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| HEAD STYLE | DEE CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1035 OVERALL |
| MINIMUM YIELD STRENGTH | 35000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.7044 TO 0.7084 INCHES |
| SHOULDER DIAMETER | 0.876 INCHES MINIMUM AND 0.878 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 1.140 INCHES MINIMUM AND 1.156 INCHES MAXIMUM FIRST SHOULDER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.062 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |