Bugle head screws feature a countersunk head with a flat top and a concave under-head bearing surface. This special design enables the distribution of the bearing stress over a much wider area than is possible with a flat head screw.
Since our first blind rivet was manufactured in 1982, followed by self-drilling screws, we at the PATTA Group have continuously improved on technology and the quality of our products, invested massive resources in product development, moving toward becoming a diversified company of manufacturing service provider. We not only focus on R&D, but also pursue high standard and consistent production process and services. At the same time, we listen to our partners' needs around the world. PATTA is qualified with TS 16949, ISO 9001, and ISO 14001.
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