SUN THROUGH INDUSTRIAL CO., LTD.
Sun Through is an experienced self drilling screw manufacturer. Different from other suppliers, Sun Through has deep knowledge in steel heat treatment, and owns a heat treatment facility which provides service to many local fastener suppliers.
Sun Through is also one of the earliest companies who started manufacturing bi-metal fasteners. Now many kinds of fasteners can be produced in bi-metal form, including sheet metal screws, self drilling screws, and concrete screws/bolts.
Sun Through is a ISO-9001 certified manufacturer and owns many unique patents and will bring new products to meet industrial dynamic demands....
Bi-metal Self-drilling Screws
Floorboard Screws
Machine Screws
Roofing Screws
Self-drilling Screws
TEK Screws
Triangular Thread Screws
Weld Screws
Wing Screws
Chipboard Screws
Signature product includes spiral point self-drilling screws that drill thicker and faster than regular point. High strength bolts (14.8U acc. to VDA 235-205) can bring more security to customers assembly. Also, Sun Through's bi-metal fasteners are growing.