日本JPG螺纹塞规产品规格：适应用于玩具塑料工业，模具及五金制造业可作尺寸基准又可作比较测量用。M5.5●0.90.5 M610.75●0.5 M710.75●0.5 M81.2510.750.5 M91.2510.750.5 M101.51.251☆0.75●0.5 M11☆1.5●1.251☆0.75●0.5 M121.751.5☆1.251●0.5 M13 ●1.5 1●0.5 M1421.5☆1.251●0.5 M15 1.5 1●0.5 M1621.51.25 ●0.5 M17 ☆1.5 ☆1 M182.521.51●0.5 M202.521.51●0.5 M222.521.51●0.5 M24321.51●0.5 M25 21.51● M26 ●21.5●1●0.5 M273☆21.5☆1 M28 21.51●0.5 M303.5☆321.51●0.5