1.Angle of Thread
The included angle between the flanks of the thread, measured in an axial plane, shall be 29 deg. The line
bisecting this 29 deg angle shall be perpendicular to the axis of the screw thread.
2.Pitch and Lead of Thread
The pitch of the thread is the distance, measured parallel to its axis, between correspondingp oints on adjacent thread forms. The lead of a thread is the distance traversed in one revolution of a screw thread. On multiple-start threads, the lead equals pitch multiplied by the number of starts
3.Height of Thread
The basic height of the thread is equal to one-half of the pitch.
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Disclaimer:
This data is provided for general information only. The intention is to provide accurate information,regardless,errors may exist in the supplied information. If accuracy is critical, base your final decisions on the data provided in the root document: ANSI/ASME B1.5; If you any request or questions please contact ： sales@fyougauges.com
For more information click the links below:
Acme Thread Form Basic Dimensions