| FASTENER LENGTH | 7.312 INCHES MINIMUM AND 7.688 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| HEAD DIAMETER | 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM |
| HEAD HEIGHT | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| NECK LENGTH | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| NECK WIDTH | 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |