Customizing Screws
We are a professional contract screw maker. We provide modern solutions.
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DRILL ONE INCH IN A MINUTE -
ENGINEERING-ORIENTED PRODUCTS -
Our Features
OUR SERVICES
Advanced Inspection
Sun Through owns many advanced inspection instruments to ensure products' accountibility.
Product traceability
Sun Through provides products with well documented support according to ISO-9001 standard.
ABOUT US
三友璟Sun Through Industrial Co. Ltd. is a Taiwan-based screw manufacturer specializing in self-drilling screws.
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.
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