... :DIN Material:Carbon steel Diameter:M3-M30 1/4"-1 8/7" thread:MM,UNC,UNF,.. Standard: DIN 933/931/912 ... Size: M3-M30, 1/4"-1 7/8" Material: carbon steel 35#,,brassGrade: 8.8,10.9,12.9,SAE J429 GR.5 ... kinds of fasteners, such as:Machine screw, self tapping screw, set screw, wood screw, dry wall screw, self drilling screw; Hex nut, hex flange nut, nylon insert lock ...