内径千分尺301-14-050特性： 组合接杆测量范围大。 配有校对卡规。 硬质合金测量面。 钢管测杆外圆尺寸φ15.5mm。 精度：301-1X-05X系列公制±(3+n+L/50)μm；英制±0.00005(3+n+L/2)"(n=接杆数，L=最大测量长度)。 货号测量范围接杆301-10-05050-63mm微分头301-11-05050-100mm13mm,25mm301-12-05050-150mm13mm,25mm,50mm301-13-05050-300mm13mm,25mm,50mm(2pcs.),100mm301-14-05050-500mm13mm,25mm,50mm(2pcs.),100mm,200mm301-15-05050-1000mm13mm,25mm,50mm,100mm(2pcs.),150mm,200mm,300mm301-16-05050-1500mm13mm,25mm,50mm,100mm(2pcs.),150mm,200mm(2pcs.),300mm(2pcs.)301-02-05050-75mm13mm301-03-05050-175mm13mm,25mm(2pcs),50mm301-04-05050-250mm13mm,25mm,50mm,100mm301-05-05050-600mm13mm,25mm,50mm,100mm,150mm,200mm货号