... -20mmDIN, ISO, ANSI, AMSE, BS, JIS, UNI and Non-standards.Stainless steel SUS 304 SUS 316 and so onnutsM4-20mmDIN, ISO, ANSI ... , AMSE, BS, JIS, UNI and Non-standards.Stainless steel SUS 304 SUS 316 and so onMachine screwM4-20mmDIN, ISO ... , ANSI, AMSE, BS, JIS, UNI and Non-standards.Stainless steel SUS 304 SUS 316 and so onTapping screwST2-5mmDIN, ISO ...