HT Allen Socket Grub Screws are offered in BSF, BSP, BSW, Metric, Metric Std, UNC and UNF series. The catalog lists a wide range of sizes, such as M10 x 1, M10 x 1.25 and M12 x 1.25, with lengths from 6 mm to 25 mm, all meeting DIN 916 / 12.9 / Black specifications. This range supports a broad variety of fastening needs across industrial applications.