| ANGLE BETWEEN EXTERNAL KEYS | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL STRAIGHT KEY LENGTH | 4.67 MILLIMETERS MINIMUM AND 4.85 MILLIMETERS MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 3.22 MILLIMETERS MINIMUM AND 3.40 MILLIMETERS MAXIMUM |
| EXTERNAL TAPERED KEY WIDTH | 6.38 MILLIMETERS MINIMUM AND 6.60 MILLIMETERS MAXIMUM |
| HOLE DIAMETER | 6.60 MILLIMETERS MINIMUM AND 6.69 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S521 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL THICKNESS | 0.40 MILLIMETERS MINIMUM AND 0.60 MILLIMETERS MAXIMUM |
| III MATERIAL | STEEL |
| OUTSIDE DIAMETER | 11.49 MILLIMETERS MINIMUM AND 11.60 MILLIMETERS MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 19.40 MILLIMETERS MINIMUM AND 19.80 MILLIMETERS MAXIMUM |
| SPLIT KEY LENGTH | 2.98 MILLIMETERS MINIMUM AND 3.35 MILLIMETERS MAXIMUM |