Buy now the Moore & Wright MW-800 – Screw Pitch Gauge Whitworth – 28 Blades available at . Imperial Screw Pitch GaugeScrew Pitch Whitworth Number of Blades 28 Threads per mm 4, 4.5, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60Accurately milled steel blades Designed to check both internal and external thread forms Marked with nominal size on each blade Screw cutting gauge included – 55 Degrees. Available online with other Moore & Wright products.
