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。螺纹 粗针脚齿距细针脚齿距M10.250.2 M1.1☆0.25☆0.2 M1.20.250.2 M1.40.30.2 M1.6☆0.35☆0.2 M1.7◎0.35●0.2 M1.8☆0.350.2 M20.40.25 M2.2☆0.45☆0.25 M2.3◎0.4●0.25 M2.5☆0.45☆0.35 M2.6◎0.45●0.35 M30.5 M3●0.60.35 M3.50.60.35 M4☆0.7 M4●0.750.5 M4.50.750.5 M5☆0.8 M5●0.90.5