Kirti NDT screw pitch thread pitch Gauge Radius Gauge

Features: ? Fit for : Whitworth 55-Degree Threads & Metric 60-Degree Threads ? Material : Stainless Steel ? Size(Closed) : ~2 5/8 x 1/2 x 11/16inch(LWH) ? 52 folding leaves The leaves are individually stamped with accurately formed thread profiles Measures screw thread pitches between 0.25 - 6.0mm and 4 - 62 BSW(British Standard Whitworth) ? Package Content : 1 x Screw Pitch GaugeInch 55 ° specifications: ? 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 Metric 60 ° specifications: ? 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