round bar; round rod
Refers to a cylindrical bar or rod, typically of metal, but also used for other materials. Common in engineering and construction contexts.
この部品は直径10ミリの丸棒から削り出します。
This part is machined from a round bar with a diameter of 10 mm.
鉄の丸棒
Cut the iron round bar and use it.
Compound of 丸 (round) and 棒 (bar, rod).