Item | Spec. | Main feature | Main size(mm) | ||||||
Head Dia | Plug Dia | Height | Head thickness | ||||||
1 | 13-D1 | Two arcs Four rays | 12.4±0.2 | 7.5±0.1 | 1.0±0.2 | 2.0±0.2 | |||
2 | 13-D1-2 | Two arcs Four rays | 12.5±0.2 | 7.5±0.1 | 12.0±0.2 | 2.0±0.2 | |||
3 | 13-D2 | Two arcs Four rays | 12.4±0.2 | 7.5±0.1 | 9.7±0.2 | 2.0±0.2 | |||
4 | 13-D2-2 | A needled circle three points | 12.6±0.2 | 7.7±0.1 | 11.1±0.2 | 2.0±0.2 | |||
5 | 20-D1 | Two arcs Four rays | 18.8±0.2 | 13.2±0.2 | 13.8±0.3 | 3.3±0.2 | |||
6 | 20-D2 | Double needled circies | 18.8±0.2 | 13.2±0.2 | 13.8±0.3 | 3.3±0.2 | |||
7 | 20-D2-2 | A needled hole Four rays | 18.8±0.2 | 13.2±0.2 | 13.8±0.3 | 3.3±0.2 | |||
8 | 20-D3 | Two arcs | 18.8±0.2 | 13.2±0.2 | 13.8±0.3 | 3.3±0.2 | |||
9 | 20-D4 | A needled hole Four rays | 18.8±0.2 | 13.2±0.2 | 14.6±0.3 | 3.3±0.2 |