A threaded nut of M 16, ISO metric type, having 2 mm pitch

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A threaded nut of M 16, ISO metric type, having 2 mm pitch with a pitch diameter of 14.701 mm is to be checked for its pitch diameter using two or three number of balls or rollers of the following sizes

1. Rollers of 2 mm Φ
2. Rollers of 1.155 mm Φ
3. Balls of 2 mm Φ
4. Balls of 1.155 mm v

Correct Option: B

Metric Thread M16
Pitch = 2 mm
Pitch Dia = 14.701
θ = 30°

d_w =	P	sec30° =	2	sec30° = 1.155 mm
	2		2