This M6 screw and nut assortment kit is designed for assembling, repairing, and maintaining mechanical and structural components. It supports a wide range of fastening needs across automotive, equipment, and workshop projects.Manufactured from grade 10.9 alloy steel, the fasteners provide dependable tensile strength and resistance to deformation under load. The black finish helps reduce glare and offers light corrosion protection in indoor and sheltered environments.The kit includes multiple M6 screw lengths paired with matching nuts, allowing users to select the proper fit for different material thicknesses and assemblies. Fully threaded screws support secure engagement and consistent clamping force.Hex socket head design allows controlled tightening with standard Allen wrenches, helping improve torque transfer and reduce cam-out during installation.Suitable for machinery repair, metal fabrication, furniture assembly, and general maintenance tasks in professional or DIY settings.