內六角圓柱頭螺釘

1. • hexagon socket head cap screw

Character by character

• 內(nèi)inside
• 六(liù)six
• 角(jiǎo)angle
• 圓(yuán)circle
• 柱(zhù)pillar
• 頭(tóu)head
• 螺(luó)spiral shell
• 釘(dīng)nail