Drilling and Fastening
We are a professional contract screw maker. We provide modern solutions.
Sun Through has been developing new and innovative products to satisfy a variety of customers from all over the world. Specifically, spiral self-drilling screws are our signature patent product that has extremely excellent drilling capacity. The spiral self-drilling screws can penetrate a steel plate with a thickness of up to 30mm, and, more amazingly, save 50% working time than regular self-drilling screws. Also, our ultra high strength (grade 14.9) bolts and Twin-spiral chipboard screws are highly recommended! From raw steel to forming, from heat-treating to plating, all of Sun Through's products are made in Taiwan to ensure quality.
Read moreSun Through's new catalog is shown on fastener magazine from October 2020. This year, several new products are released: M8 Super tek screws, grade 14.9 ultra-high strength bolts, and heavy duty wheel hub bolts.
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