装修问题

英制螺母规格在英制中以每一英寸（25.4mm）内的牙数来表明牙距（如下表）。呼粗牙细牙韦氏牙M30.50.354#2.94048M40.70.56#3.53240M50.80.58#4.23236M61.00.7510#4.82432M71.00.7512#5.52428M81.251.00.751/46.35202820M101.51.251.05/167.94182418M121.751.51.253/89.53162416M142.01.51.07/1611.11142014M162.01.51.01/212.7132012M182.52.01.59/1614.29121812M202.52.01.55/815.86111811M222.52.01.53/419.05101610M243.02.01.57/822.239149M273.02.01.5125.408128M303.53.02.0希望能帮得到你！

你好，英制螺母外形尺寸具体如下：序号规格型号最大最小1M10*19.9749.7940.1802M12*1.511.96811.7320.2363M14*1.513.96813.7320.2364M16*1.515.96815.7320.2365M18*1.517.96817.7320.236