58x Blades US Metric Whitworth 55/60° Thread Measuring Gauge Screw Pitch Tool

Description:58x Blad es US Metric Whitworth 55/60 Thread Measuring Gauge Screw Pit ch Tool1. One combination thread gauge model.2. It is one kind of a pit ch, the pit ch multiple stacked up special measuring tools, thread pit ch for inspection.3.Can be used for measuring the metric and inch screw thread..4. The blade can also be used to measure the AF thread per inch of thread.5. Using rotary switch, can be freely adjusted6. Quenching processing, strong hardnessSpecification:Type: Thread gaugeMaterial: Stainless SteelColor: As picture showsBlades: 58PCS(Metrisch 60: 24PCS, UK 55: 28PCS, US: 6pcs)Size: approx. 66x11x18mm/2.6x0.4x0.7Measuring ran ge:Metric 60: 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0,Whiteorth 55 :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, 62GUS: 8, 10, 11, 14, 19, 28,Instructions:1)Measure the thread pit chThe thread Pil ot Group as a template cards toothed steel thread in the measured work piece, if not close together, the other for one, until snug.Then mark on the thread size model is the measured work piece thread pit ch.2)Measuring the tooth-shaped cornerThe thread pit ch and the measured work piece thread model on the same thread on top of the test, then check contact, if there is no gap translucent, tooth-shaped angle measured thread is correct; if there is uneven light transmission g