日本制螺紋塞規(guī)、環(huán)規(guī)OJIYAS JIS/ISOJIS/ISOM0.9*0.225#1-64UNCM1*0.25#2-56UNCM1.2*0.25#3-48UNCM1.4*0.30#4-40UNCM1.6*0.35#5-40UNCM2*0.25(F)#6-32UNCM2*0.40#8-32UNCM2.3*0.40#10-24UNCM2.5*0.45#12-24UNCM2.6*0.45M3*0.501/8-40UNCM3.5*0.35(F)1/4-20UNCM3.5*0.65/16-18UNCM4*0.50(F)3/8-16UNCM4*0.707/16-14UNCM4.5*0.50(F)1/2