Moore And Wright Screw Pitch Gauge UNIFIED No 806 tb85o
	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 Pitch Unified 30 Blades - 4 to 42 Threads Per mm 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 11.5, 12, 13, 14, 15, 16,18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42