螺距規188系列特點?各量規上都標有半徑尺寸。?配有成對凹、凸半徑規。特點?各量塊上都標有螺距。?公制型螺距規、統一標準型螺距規、惠氏螺距規三種螺距規可供選擇。性能參數公制型螺距規測量范圍貨號組合0.35-6mm188-13022片:0.35,0.4,0.45,0.5,0.6,0.7,0.75,0.8,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6mm和60 量塊0.4-7mm188-12221片:0.4,0.5,0.7,0.75,0.8,0.9,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7mm0.4-7mm188-12118片:0.4,0.5,0.75,1,1.25,1.5,1.75,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7mm統一標準型螺距規測量范圍貨號組合4-42TPI188-11130片:4,41/2,5,51/2,6,7,8,9,10,11,111/2,12,13,14,15,16,18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI注：可選擇(188-151)公制型和統一標準型螺距規套裝，包括188-122(公制型)和188-111(統一標準型)。惠氏螺距規測量范圍貨號組合4-42TPI188-10130片:4,41/2,5,51/2,6,7,8,9,10,11,111/2,12,13,14,15,16,18,20,22,24,26,27,28,30,32,34,36,38,40,42TPI4-60TPI188-10228片:4,41/2,5,6,7,8,9,10,11,12,13,14,16,18,19,20,22,24,25,26,28,30,32,34,36,40,48,60TPI