| FASTENER LENGTH | 3.000 INCHES NOMINAL |
| HEAD STYLE | SQUARE |
| HEAD HEIGHT | 0.328 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.500 INCHES |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-307,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE OR 2 TYPE AND 2 STYLE AND B GRADE |