| THREAD SERIES DESIGNATOR | UNC |
| THREAD LENGTH | 2.562 INCHES MINIMUM AND |
| 2.750 INCHES MAXIMUM |
| FASTENER LENGTH | 5.906 INCHES MINIMUM AND |
| 6.000 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 316 OVERALL |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 1.250 INCHES |
| THREAD QUANTITY PER INCH | 7 |
| THREAD CLASS | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F593 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 80.0 ROCKWELL B NOMINAL OVERALL |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.749 INCHES MINIMUM AND |
| 0.813 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND |
| 1.875 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON HEAD(FINISHED HEXAGON BOLT),STEEL,CORROSION RESISTING,PASSIVATED,UNC-2A |
| SPECIFICATION/STANDARD DATA | 80205-NASM35307 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |