有頭內六角螺絲
Hex Socket Cap Screw
半圓頭內六角(Button_cap)
Hex Socket Button Head Screw
皿頭內六角螺絲
Hex Socket Flat Head Screw
止付螺絲(SET)
Set Screw
塞頭螺絲(Plug)
Plug Screw
等高螺絲
Hex Socket Shoulder Screw
六角扳手(hex_wrench)
Hex Key
公母套螺絲(male_female_screw)
Mutual to Lock Bolt