These T-bolts and diamond head bolts are available in **inch (UNF/UNC) American standard** and **DIN German standard**, with material options including 304 stainless steel and high-strength carbon steel. High-strength carbon steel versions are precisely heat-treated to **Grade 8.8, 10.9 and 12.9**, featuring high tensile strength, excellent shear resistance and stable anti-loosening performance for heavy-duty mechanical assembly. 304 stainless steel style delivers superior rust and corrosion resistance, suitable for humid and outdoor environments. The diamond head and T-head design enables quick embedding and positioning in T-slot profiles, widely used in aluminum profile frames, machinery, molds, automation equipment and industrial assembly. Complete specifications are supplied directly from the factory, providing reliable fastening solutions for profile connection and mechanical fixing.