螺栓

Traditional form:

螺栓

Pinyin (reading):

luóshuān

Definitions:

• bolt (male component of nut and bolt)
• screw

Characters:

• 螺 - spiral shell, conch; spiral
• 栓 - cork, peg, stopper

Traditional characters:

• 螺 - spiral shell, conch; spiral
• 栓 - cork, peg, stopper