... dia: 1mm to 12mm, length: 3mm to 160mm. 2)GB international, ANSI by USA, JIS by Japan, DIN by Germany machine ... diameterK: height of headL: thread lengthD: outside diameterInternational tandards:GB international, ANSI by USA, JIS by Japan, DIN by Germany, ISO ... type (DRIVER):PHILLIPS, POZIDRIV, SLOTTED, TRIANGLE, SQUARE, HEX, SIX-LOBE, TRI-WING.Scope of thread size:outside diameter: 1mm to 12mm ...