M30-3.50 x 30 MM Set Screw, Cup Point, Zinc

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Our metric M30-3.50 x 30 MM cup point set screws offer both permanent and semi-permanent connections. 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. Screws are plated with zinc for moderate corrosion resistance without compromising strength.