How to Write 镙 (luó) — Meaning “screw”

Imagine a metal screw that is so tight it "accumulates" (累) force. You can think: 'A metal (钅) screw makes things hold together, accumulating strength.' This connects the metal radical to the idea of a screw.

The left radical 钅 must be narrow and tall, while the right part 累 is wider. Be careful to write 累 correctly: first the 田 (five strokes) then the 糸 (six strokes), and keep the bottom part balanced. A common mistake is making the left side too wide.

镙 (luó) means "screw" and has the right component 累. 锲 (qiè) means "to carve" and has 契 on the right, while 锴 (kǎi) refers to high-quality iron and has 皆 on the right. Their pronunciations and meanings are all different, so focus on the right side shape.

镙 appears in technical terms for hardware, such as 镙丝 (screw) and 镙母 (nut). It is less common than the character 螺 (also luó) for screw, but 镙 is specifically used for metal fasteners. You might see it in engineering manuals or hardware store labels.

Common words containing 镙 include: 镙丝 (luó sī) — screw; 镙母 (luó mǔ) — nut (for a bolt); 镙钉 (luó dīng) — screw or bolt.