| FASTENER LENGTH | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL |
| HEAD DIAMETER | 0.287 INCHES MINIMUM AND 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM0.309 INCHES MAXIMUM |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM |
| HEAD STYLE | ROUNDROUND |
| INTERNAL DRIVE STYLE | SLOTSLOT |
| MATERIAL | STEEL OVERALLSTEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES0.164 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.020 INCHES NOMINAL0.020 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.327 INCHES MINIMUM AND 0.327 INCHES MINIMUM AND 0.338 INCHES MAXIMUM0.338 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT INTERNAL TEETHFLAT INTERNAL TEETH |
| SURFACE TREATMENT | CADMIUM OVERALLCADMIUM OVERALL |
| THREAD CLASS | 2A2A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LENGTH | 0.313 INCHES MINIMUM0.313 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 3232 |
| WASHER QUANTITY | 11 |