| EXPANSION DEVICE | KNOB STEM-TYPE K |
| FASTENER LENGTH | 8.0 MILLIMETERS MINIMUM AND 9.0 MILLIMETERS MAXIMUM |
| GRIP LENGTH | 2.5 MILLIMETERS MINIMUM AND 4.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| HEAD MAJOR DIAMETER | 8.3 MILLIMETERS MINIMUM AND 10.1 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 3506-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SHANK DIAMETER | 4.65 MILLIMETERS MINIMUM AND 4.88 MILLIMETERS MAXIMUM |
| SHANK STYLE | SELF-PLUGGING |