... per second or 80mm straight line 3. pin of marking machine impactive frequency:400 times/S, rigidity :HRA93 4 ... Deepness0.01-2mm(according to material)Average Life Time of Pin9 million timesMark Available0.5×0.5 mm ... 2) Applications:Automobile, motorcycle, voyage, spaceflight, shipping, petroleum-machine, engineering- machine, steel, tool producing, war industry, fire fighting, mould and plastic ...