Whitworth 55° screw pitch gauge set

Μετρικό σπείρωμα (mm): 0.40, 0.50, 0.70, 0.75, 0.80, 1.0, 1.25, 1.50, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0.
Σπείρωμα Whitworth (tpi): 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, 62.