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The Major Diameter of Internal Thread is defined as the sum of minor diameter of the internal thread and 1.25 times the value of the height of the fundamental triangle. Check FAQs
D=Dp+(0.650p)
D - Major Diameter of Internal Thread?Dp - Pitch Diameter of Internal Thread?p - Pitch of Threads?

Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread Example

With values
With units
Only example

Here is how the Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread equation looks like with Values.

Here is how the Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread equation looks like with Units.

Here is how the Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread equation looks like.

29.9935Edit=27.4Edit+(0.6503.99Edit)
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Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread Solution

Follow our step by step solution on how to calculate Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread?

FIRST Step Consider the formula
D=Dp+(0.650p)
Next Step Substitute values of Variables
D=27.4mm+(0.6503.99mm)
Next Step Convert Units
D=0.0274m+(0.6500.004m)
Next Step Prepare to Evaluate
D=0.0274+(0.6500.004)
Next Step Evaluate
D=0.0299935m
LAST Step Convert to Output's Unit
D=29.9935mm

Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread Formula Elements

Variables
Major Diameter of Internal Thread
The Major Diameter of Internal Thread is defined as the sum of minor diameter of the internal thread and 1.25 times the value of the height of the fundamental triangle.
Symbol: D
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Pitch Diameter of Internal Thread
The Pitch Diameter of Internal Thread is the simple effective diameter of external screw thread, approximately halfway between the major and minor diameters.
Symbol: Dp
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Pitch of Threads
Pitch of Threads is the distance between two adjacent threads on a screw, bolt or nut.
Symbol: p
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other Formulas to find Major Diameter of Internal Thread

​Go Major Diameter of Internal Thread given Pitch Diameter of Internal Thread
D=Dp+(0.75H)
​Go Major Diameter of Internal Thread given Pitch and Minor Diameter of Internal Thread
D=(1.083p)+Dc
​Go Major Diameter of Internal Thread given Height of Fundamental triangle
D=Dc+(1.25H)
​Go Major Diameter of Internal Thread given Pitch and Minor Diameter of External Thread
D=dc+(1.227p)

Other formulas in Fastner Geometry category

​Go Pitch Diameter of Internal Thread given Pitch
Dp=D-(0.650p)
​Go Pitch of Threads given Pitch Diameter of Internal Thread
p=D-Dp0.650
​Go Pitch Diameter of Internal Thread given Height of Fundamental Triangle
Dp=D-(0.75H)
​Go Height of Fundamental Triangle of Screw Threads given Pitch Diameter of Internal Thread
H=D-Dp0.75

How to Evaluate Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread?

Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread evaluator uses Major Diameter of Internal Thread = Pitch Diameter of Internal Thread+(0.650*Pitch of Threads) to evaluate the Major Diameter of Internal Thread, Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread formula is defined as the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread. Major Diameter of Internal Thread is denoted by D symbol.

How to evaluate Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread using this online evaluator? To use this online evaluator for Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread, enter Pitch Diameter of Internal Thread (Dp) & Pitch of Threads (p) and hit the calculate button.

FAQs on Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread

What is the formula to find Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread?
The formula of Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread is expressed as Major Diameter of Internal Thread = Pitch Diameter of Internal Thread+(0.650*Pitch of Threads). Here is an example- 29993.5 = 0.0274+(0.650*0.00399).
How to calculate Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread?
With Pitch Diameter of Internal Thread (Dp) & Pitch of Threads (p) we can find Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread using the formula - Major Diameter of Internal Thread = Pitch Diameter of Internal Thread+(0.650*Pitch of Threads).
What are the other ways to Calculate Major Diameter of Internal Thread?
Here are the different ways to Calculate Major Diameter of Internal Thread-
  • Major Diameter of Internal Thread=Pitch Diameter of Internal Thread+(0.75*Height of Fundamental Triangle)OpenImg
  • Major Diameter of Internal Thread=(1.083*Pitch of Threads)+Minor Diameter of Internal ThreadOpenImg
  • Major Diameter of Internal Thread=Minor Diameter of Internal Thread+(1.25*Height of Fundamental Triangle)OpenImg
Can the Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread be negative?
No, the Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread, measured in Length cannot be negative.
Which unit is used to measure Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread?
Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread can be measured.
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