Nominal dimensions: M18 x P1.5 Measurement part diameter (mm): 19 Total length (mm): 24.5 Measurement part length (mm): 8.5 Measurement part runoff (mm): 0.01 or less Measurement part accuracy (mm): ±0.005 or less Screw taper: 1/15锥度 锥形螺纹长度(mm):7 直线长度(mm):8