ChgImposs Metric & Imperial US Screw Gauge SAE Whitworth 55 Degree 60 Thread Pitch for Industrial Measurement

It is 55 Degree & 60 Degree Thread / Screw Pitch Gauge gage with lock up device. Typically used to check the thread size determination is correct Specification: Metric & Imperial & US; Metric: 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.75, 1.5, 1.25.1.0, 0.9, 0.8, 0.75, 0.7, 0.6, 0.5, 0.45, 0.4, 0.35, 0.3, 0.25 Imperial: 4G, 4 1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G; US: 8, 10, 11, 14, 19, 28 It is useful to check the tool angle when cutting threads on a metal lathe; Check the angle on the thread cutting tool on the V-groove of the gauge All the blade was made by stainless steel, with wire drawing on the surface, not easy to rust. Ensure the accuracy of measurement