塑料件中PB、PT(及B头)螺丝之螺柱及沉头孔尺寸设计数据

螺丝直径t(Min)D1(拔模+0.5°)D2D3D4D5D6(B头)02.00051.501.7±0.104.202.104.407.004.0(04.5)02.30051.802.0±0.104.