• 以旋轉方式鎖入牆體。
• 任何人皆可使用。

Yuchi expansion bolts install effortlessly without the need for a hammer. Simply screw them in for a quick and hassle-free setup, saving both time and labor.

• 可從牆壁上拆卸下來。
• 不必擔心外牆滲水或漏水問題。

Our innovative design allows for complete removal without wall damage, providing installation flexibility and making maintenance easier.

• 可回收再使用，省錢又環保。
• 為現代膨脹螺絲之綠建材代表。

Its reusability lowers costs and supports sustainable practices.

• 採用SUS304MS不鏽鋼製成。
• 室內外及水下環境皆有強大且耐腐蝕的表現。

Made from 100% premium 304 stainless steel with a threaded sleeve for strong, corrosion-resistant performance in indoor, outdoor, and underwater settings.