国 上海文通大学 Thread Form ▣Metric standard M12×25×1.75 Major diameter,mm Long,mm Pitch,p in mm Nominal Coarse-Pitch Series Fine-Pitch Series Maior Tensile Minor- Tensile- Minor- Diameter Pitch Stress Diameter Pitch Stress Diameter d D Area Ar Area A. Area Ar Area Ar mm mm mm mm2 mm mm2 mm2 8 1.25 36.6 32.8 1 39.2 36.0 10 1.5 58.0 52.3 1.25 61.2 56.3 12 1.75 84.3 76.3 1.25 92.1 86.0 14 3 115 104 1.5 125 116 16 2 157 144 1.5 167 157 20 2.5 245 225 15 272 259 圈上泽夫道大学 Thread Profiles Metric and MJ profiles: Internal threads 60 H 60° 30 External threads 1414 Thread Form  Metric standard M12 x 25 x 1.75 Major diameter, mm Long, mm Pitch, p in mm Thread Profiles  Metric and MJ profiles: