| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 3.220 INCHES MINIMUM AND |
| 3.280 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1013 OR |
| STEEL COMP 1015 OR |
| STEEL COMP 1016 OR |
| STEEL COMP 1017 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1019 OR |
| STEEL COMP 1020 OR |
| STEEL COMP 1021 OR |
| STEEL COMP 1022 OR |
| STEEL COMP 1023 OR |
| STEEL COMP 1025 OR |
| STEEL COMP 1026 OR |
| STEEL COMP 1029 OR |
| STEEL COMP 1030 OR |
| STEEL COMP 1033 OR |
| STEEL COMP 1034 OR |
| STEEL COMP 1035 OR |
| STEEL COMP 1037 OR |
| STEEL COMP 1038 OR |
| STEEL COMP 1039 OR |
| STEEL COMP 1040 OR |
| STEEL COMP 1524 OR |
| STEEL COMP 1527 OR |
| STEEL COMP 1536 OR |
| STEEL COMP 1541 OVERALL |
| THREAD LENGTH | 0.940 INCHES MINIMUM AND |
| 1.060 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 5 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A165 TY TS ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND |
| 34.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 92000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND |
| 0.163 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND |
| 0.438 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.970 INCHES MINIMUM AND |
| 3.030 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.077 INCHES MINIMUM AND |
| 0.079 INCHES MAXIMUM FIRST HOLE |
| FEATURES PROVIDED | FINISHED HEAD |