Moore And Wright Screw Pitch Gauge WHITWORTH No 800 tb85p
	Accurately milled steel blades Designed to check both internal and external thread forms Marked with nominal size on each blade All blades fixed in a steel sleeve Screw cutting gauge included - 55 Degrees Screw Pitch Whitworth 28 Blades - 4 to 60 Threads Per mm 4, 4.5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60