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Design of Machine Elements
Pitch Diameter of External Thread in Design of Threaded Fastener Formulas
Pitch Diameter of External Thread is the simple effective diameter of external screw thread, approximately halfway between the major and minor diameters. And is denoted by d
p
. Pitch Diameter of External Thread is usually measured using the Millimeter for Length. Note that the value of Pitch Diameter of External Thread is always positive.
Formulas to find Pitch Diameter of External Thread in Design of Threaded Fastener
f
x
Pitch Diameter of External Thread given Pitch
Go
f
x
Pitch Diameter of External Thread given Height of Fundamental Triangle
Go
Design of Threaded Fastener formulas that make use of Pitch Diameter of External Thread
f
x
Tensile Stress Area of Threaded fastener
Go
f
x
Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread
Go
f
x
Pitch of Threads given Pitch Diameter of External Thread
Go
f
x
Height of Fundamental Triangle of Screw Threads given Pitch Diameter of External Thread
Go
f
x
Major Diameter of External Thread given Height of Fundamental Triangle
Go
List of variables in Design of Threaded Fastener formulas
f
x
Major Diameter of External Thread
Go
f
x
Pitch of Threads
Go
f
x
Height of Fundamental Triangle
Go
FAQ
What is the Pitch Diameter of External Thread?
Pitch Diameter of External Thread is the simple effective diameter of external screw thread, approximately halfway between the major and minor diameters. Pitch Diameter of External Thread is usually measured using the Millimeter for Length. Note that the value of Pitch Diameter of External Thread is always positive.
Can the Pitch Diameter of External Thread be negative?
No, the Pitch Diameter of External Thread, measured in Length cannot be negative.
What unit is used to measure Pitch Diameter of External Thread?
Pitch Diameter of External Thread is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Pitch Diameter of External Thread can be measured.
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