| DIAMETER | 2.70 MILLIMETERS MINIMUM AND 2.90 MILLIMETERS MAXIMUM |
| EFFECTIVE LENGTH | 11.60 MILLIMETERS MINIMUM AND 12.04 MILLIMETERS MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEIGHT | 0.60 MILLIMETERS MINIMUM AND 1.40 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BSI BS 970 PART 4 GRADE 303S21 CONDITION S NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | CONNECTOR SUPPORT |
| PIN HEAD DIAMETER | 5.90 MILLIMETERS MINIMUM AND 6.40 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | UNDER-HEAD/SHANK RADIUS 0.50 MM MAX |
| STYLE DESIGNATOR | GROOVE |
| UNDERCUT DIAMETER | 1.84 MILLIMETERS MINIMUM AND 1.90 MILLIMETERS MAXIMUM |
| UNDER HEAD LENGTH | 15.00 MILLIMETERS NOMINAL |
| UNDERCUT WIDTH | 0.54 MILLIMETERS MINIMUM AND 0.57 MILLIMETERS MAXIMUM |