螺距規(guī) 188系列特點(diǎn)：各量塊上都標(biāo)有螺距公制型螺距規(guī)、統(tǒng)一標(biāo)準(zhǔn)型螺距規(guī)、惠氏螺距規(guī)三種螺距規(guī)可供選擇性能參數(shù)公制型螺距規(guī)測(cè)量范圍貨號(hào)組合0.35-6mm188-1300.35,0.4,0.45,0.5,0.6,0.7,0.75,0.8,1,1.25,1.5(22片) 1.75,2,2.5,3,3.5,4,4.5,5,5.5,6mm與60度量塊0.4-7mm188-1220.4,0.5,0.7,0.75,0.8,0.9,1,1.25,1.5,1.75,2,2.5(21片) 3,3.5,4,4.5,5,5.5,6,6.5,7mm0.4-7mm188-1210.4,0.5,0.75,1,1.25,1.5,1.75,2,2.5(18片) 3,3.5,4,4.5,5,5.5,6,6.5,7mm統(tǒng)一標(biāo)準(zhǔn)型螺距規(guī) 測(cè)量范圍貨號(hào)組合4-42TPI188-1114,4/2,5,5/2,6,7,8,9,10,11,11/2,12,13,14,15,15(30片) 18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI惠氏螺距規(guī) 測(cè)量范圍貨號(hào)組合4-42TPI188-1014,4/2,5,5/2,6,7,8,9,10,11,11/2,12,13,14,15,15(30片) 18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI4-60TPI188-1024,4/2,5,6,7,8,9,10,11,11/2,12,13,14,16,18(28片) 19,20,22,24,25,26,28,30,32,34,36,40,48,60TPI