GB/T2516-2003表1螺纹的极限偏差单位为微米基本大径/内螺纹外螺致mm中径小径中径大径小径累距/mm公差带公差带用于计ESEIESEleses算应力的偏差一。3h4h0-29+40+384h5k6g00二一一一一一一一信第一一-65h4h5h6h0.2H03二660月6程00二0二二二07h6he一二二二二。3h4h+45185h6h0.991.40.25H6366-0月%程00二二18。一-9g8g一013h4h+0一一-二5h4h5h6h0.3+93+18+103+750+85二二二7g6g7h6h信一一1一一一一一信一一一一一一一9g8g