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【Multi-functional】 - Phillips head screws have a wide range of applications, including windows, picture frames, security cameras, locks, bicycles, exhaust pipes, fences, kitchen utensils, electronics, oil pipelines, shipbuilding, construction, steel structures, chemicals, and DIY projects. 【Durable Stainless Steel Screws】 - Phillips head screws are made of solid 304 stainless steel; our machine screws offer superior durability and weather resistance. Their rust-proof and corrosion-resistant properties ensure a long service life, even for outdoor use. 【Functional Design】 - Our fully threaded furniture screws feature deep threads, uniform tooth profile, a burr-free surface, and an anti-slip design. The ball head design provides a larger bearing surface; this shape allows for greater torque when tightening the screw. 【Installation】 - To use this machine screw, simply align the screw with the hole and insert it using a screwdriver or power tool.