| FIRST END LOCATION | SQUARE END |
| FIRST END STYLE | SQUARE |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS1449. S143 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SECOND END STYLE | CHAMFERED |
| SECOND END TAPER ANGLE | 20.0 DEGREES MINIMUM AND 24.0 DEGREES MAXIMUM |
| SECOND END TIP RADIUS | 0.060 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK LENGTH | 1.400 INCHES NOMINAL |
| SHOULDER WIDTH ACROSS FLATS | 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BS1514. S26 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.400 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |