These metric nuts, designed for specific torque requirements, are essential for secure fastening in various applications. Compliant with IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) standards, they ensure reliable performance. Type H is suited for use in sheet hardness HRB 80 or less, while Type HNL is ideal for softer materials with a hardness of HRB 60 or below. Crafted from durable carbon steel and finished with zinc plating for corrosion resistance, these nuts guarantee long-lasting strength. Explore our animation for a closer look at their functionality. Rest assured, they meet RoHS compliance standards. Trust in their quality for your fastening needs.