螺距规188系列特点各量块上都标有螺距。公制型螺距规、统一标准型螺距规、惠氏螺距规三种螺距规可供选择。性能参数公制型螺距规测量范围货号组合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°量块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统一标准型螺距规测量范围货号组合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：可选择(188-151)公制型和统一标准型螺距规套装，包括188-122(公制型)和188-111(统一标准型)。 如需详细介绍请来电洽谈可以旺旺联系QQ236503674欢迎索取电子样本