M1.6 (Thread Dia. 1.6mm) Flat Point Set Screws Hex Socket Grub Screws A2-70,Pack of 25 Pieces,Metric (M1.6 x 8 mm) Flat Point Set Screws Stainless Steel 304 Thread Dia.:1.6 mm,Thread Pitch 0.35 mm Drive System: Hex Key Metric