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

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