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Square Head Set Screws are a type of fastener commonly used in mechanical assemblies that feature a square head and internal hexagonal holes. This design allows the screws to be tightened with a square wrench or torque wrench, providing greater torque transfer capability and stability without slipping or loosening easily. Square Head Bundle Screws are typically used in applications that require additional holding force and positional adjustment, such as their use in mechanical connectors, bearing housings, and other fittings. They can be manufactured in a choice of different materials, such as stainless steel, carbon steel or alloy steel, to suit different working environments and usage requirements. Common surface treatments include zinc plating, heat treatment or coatings for improved corrosion and wear resistance.Square Head Set Screws are used in a wide variety of assembly and adjustment tasks in the engineering and manufacturing industries due to their reliable fastening and wide range of applicability.