日本三豐螺距規(guī)量塊上均標(biāo)有螺紋螺距。 備有公制螺距、統(tǒng)一標(biāo)準(zhǔn)螺距、惠氏螺紋螺距。公制螺紋螺距測量范圍貨號組合0.35-6mm(21片)188-1300.35,0.4,0.45,.05,0.6,0.7,0.75,0.8,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6mm與60 量塊0.4-7mm(21片)188-1220.4,0.5,0.7,0.75,0.8,0.9,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7mm0.4-7mm(18片)188-1210.4,0.5,0.75,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7mm統(tǒng)一標(biāo)準(zhǔn)螺紋螺距測量范圍貨號組合4-42TPI(30片)188-1114,4.5,5,5.5,6,7,8,9,10,11,11.5,12,13,14,15,16,18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI惠氏螺紋螺距測量范圍貨號組合4-42TPI(30片)188-1014,4.5,5,5.5,6,7,8,9,10,11,11.5,12,13,14,15,16,18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI4-60TPI(28片)188-1024,4.5,5,6,7,8,9,10,11,12,13,14,16,18,19,20,22,24,26,28,30,32,34,36,40,48,60TPI