| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.289 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 3.526 INCHES MINIMUM AND 3.546 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1410 INCHES MINIMUM AND 0.1510 INCHES MAXIMUM |
| GRIP LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | MUST MEET STRICT INSPECTION REQUIREMENT |
| SPECIFICATION/STANDARD DATA | 81205-BACB30LC MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.041 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |