Stub Acme Screw Threads Form
When formulated prior to 1895, regular Acme screw threads were intended to replace square threadsand a variety of threads of other forms used chiefly for the purpose of producing traversing motions on machines,tools, etc. For current information on Acme threads, see the latest edition of ASME/ANSI B1.5.
The Stub Acme thread came into being early in the 1900s. Its use has been generally confined to those unusual applications where a coarse-pitch thread of shallow depth is required due to mechanical or metallurgical considerations.
Federal Government Use. When this Standard is approved by the Department of Defense and Federal Agencies and is incorporated into FED-STD H28/13, Screw Thread Standards forF ederal Services, Section 13, the use of this Standard by the Federal Government is subject to all the requirements and limitations of FED-STD H28/13.
The basic thread form is symmetrical and is illustrated in Fig. 1, as below:
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For more information click the links below:
Centralizing Acme Screw Thread Form Basic Dimensions Table
Acme Thread Form Basic Dimensions
General Purpose ACME Screw Thread Data per ANSI/ASME B1.5