Thread Rolling Screw #2 Pozi Flat Head Under Cut Type TRI THREAD Through Harden CR+3 Zinc Yellow 8u Min, Baked 4hrs 200℃ With Blue Nylon Patch 180 Degree C1022SK
According to Chan Liang Standard: CLS097
Standard:IFI, ANSI, ASTM, ISO, DIN, JIS, BS, AS, DIN 7500