Short Description:

High strength U-bolt, also known as high strength U-card. A bolt commonly used in pipe installation to fix pipes. This bolt is shaped like a U-shape. Used to link two firmware. There are 4.8, 8.8, 10.9 and 12.9 grades. Generally speaking, high strength is above 8.8 grade, which is characterized by hard strength and strong pulling force. Black color, smooth surface.