| EXTENDED WASHER DIAMETER | 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.028 INCHES MINIMUM AND 0.038 INCHES MAXIMUM |
| FASTENER LENGTH | 0.406 INCHES MINIMUM AND 0.426 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| HEAD HEIGHT | 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | BR0R270,FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| WIDTH BETWEEN FLATS | 0.211 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.341 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 36 |
| THREAD SERIES DESIGNATOR | UNF |