Machine Screw special, small head, thread M1.4 pitch .30mm (Thread also called  1.40 UNM) head diameter 2.0mm, Length (shank) 3.2mm / 1/8&quot; max.  The (OAL) Overall length of this screw is  4.0mm material Stainless steel, price for 100 pieces, finish color silver  Screw made on precision screw machines.