| FASTENER LENGTH | 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| HEAD DIAMETER | 0.444 INCHES MINIMUM AND 0.476 INCHES MAXIMUM |
| HEAD HEIGHT | 0.217 INCHES MINIMUM AND 0.237 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER |
| HOLE CONFIGURATION STYLE | ROUND |
| HOLE DIAMETER | 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL | STEEL COMP 1095 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| POINT DIAMETER | 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| POINT LENGTH | 0.105 INCHES MINIMUM AND 0.147 INCHES MAXIMUM |
| POINT STYLE | DOG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD LENGTH | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 20 |