| FIRST STEP DIAMETER | 0.244 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEIGHT | 0.120 INCHES NOMINAL |
| NUMERIC DESIGNATION OF STEP ECCENTRIC TO HEAD | 1 |
| OFFSET DISTANCE BETWEEN GEOMETRIC CENTER OF HEAD AND CENTERLINE OF SHANK/SHOULDER | 0.093 INCHES NOMINAL |
| OVERALL LENGTH | 0.800 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| RELIEF UNDER HEAD DIAMETER | 0.250 INCHES NOMINAL |
| RELIEF UNDER HEAD LENGTH | 0.187 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.346 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| STYLE DESIGNATOR | ECCENTRIC |
| SURFACE TREATMENT | CADMIUM OVERALL |