美国Allen Gauge螺纹单项仪
快速、准确测量各种螺纹中径，螺距，牙高，紧密距
型号有：
ButtressGauges,
ThreadHeight Gauges,
CouplingGauges, Lead Gauges,
Wall Gauges,Internal Taper Gauges,
ExternalTaper Gauges,
SpecializedGauges, Ovality Gauges,
Lead SettingStandards,
ContactPoints,
Pit DepthGauges,
Replacement Indicators
苏州凯杰斯设备仪器有限公司，设备仪器专家
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