5/8"-18 x 1 1/4" Set Screw, Half Dog Point, Black Oxide

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Our 5/8"-18 x 1 1/4" Set Screw, Half Dog Point are best suited for permanent connections only. Unlike standard screws that feature a head and threaded shaft, headless socket set screws consist of a fully threaded shaft designed for flush installation. This design is ideal for mechanical assemblies with tight space constraints, such as securing a pulley or gear to a shaft, as the screw sits flush or just below the surface once the appropriate torque is applied. Black oxide is standard and readily available, offering a minimally protective layer.