材质高速钢测量范围综合检验工件内螺纹尺寸是否在各公差范围内产地东莞规格M1-1.8 ( 4H - 5H ),M1-1.8 ( 6H - 7H ),M2 x 0.4 ( 4H - 5H ),M2 x 0.4 ( 6H - 7H ),M2.5 x 0.45 ( 4H - 5H ),M2.5 x 0.45 ( 6H - 7H ),M3 x 0.5 ( 4H - 5H ),M3 x 0.5 ( 6H - 7H ),M4 x 0.7 ( 4H - 5H ),M4 x 0.7 ( 6H - 7H ),M4.5 x 0