| HEAD DIAMETER | 0.322 INCHES MINIMUM AND 0.352 INCHES MAXIMUM |
| HEAD LENGTH | 0.135 INCHES MAXIMUM |
| LOCKING FEATURE | SELF-CLINCHING HEAD |
| OVERALL LENGTH | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SPECIAL FEATURES | MATERIAL:400 SERIES STAINLESS STEEL |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| STYLE DESIGNATOR | SELF-LOCKING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A STUD THREAD |
| THREAD LENGTH | 0.865 INCHES NOMINAL STUD THREAD |