六角华司头 meaning in English
h indented hex washer head
Examples
- Miya ' s major product line include self drlling screw serial and mean - while we also have sub production line for drywall screw , chipboard screw and tapping etc
我公司主导产品为钻尾螺丝系列（六角华司头、盘头、钮扣头、喇叭头、六角法兰头、小仔头等） ，同时也生产干壁钉、纤维板钉和自攻钉等自攻类螺丝。