Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread Calculator

✖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.ⓘ Major Diameter of Internal Thread [D]			+10% -10%
✖Pitch of threads is the distance between two adjacent threads on a screw, bolt or nut.ⓘ Pitch of threads [p]			+10% -10%

✖Minor Diameter of Internal Thread is the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread.ⓘ Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread [D_c]

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Formula

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

Formula

`"D"_{"c"} = "D"-(1.083*"p")`

Example

`"25.67883mm"="30mm"-(1.083*"3.99mm")`

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Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread Solution

STEP 0: Pre-Calculation Summary

Formula Used

Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads)
D_c = D-(1.083*p)
This formula uses 3 Variables

Variables Used

Minor Diameter of Internal Thread - (Measured in Meter) - Minor Diameter of Internal Thread is the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread.
Major Diameter of Internal Thread - (Measured in Meter) - 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.
Pitch of threads - (Measured in Meter) - Pitch of threads is the distance between two adjacent threads on a screw, bolt or nut.

STEP 1: Convert Input(s) to Base Unit

Major Diameter of Internal Thread: 30 Millimeter --> 0.03 Meter (Check conversion here)
Pitch of threads: 3.99 Millimeter --> 0.00399 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

D_c = D-(1.083*p) --> 0.03-(1.083*0.00399)

Evaluating ... ...

D_c = 0.02567883

STEP 3: Convert Result to Output's Unit

0.02567883 Meter -->25.67883 Millimeter (Check conversion here)

FINAL ANSWER

25.67883 Millimeter <-- Minor Diameter of Internal Thread

(Calculation completed in 00.004 seconds)

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Home » Physics » Design of Machine Elements » Design of Coupling » Design of Threaded Fastener » Fastner Geometry » Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread

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National Institute of Technology (NIT), Tiruchirapalli

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University Institute of Technology RGPV (UIT - RGPV), Bhopal

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< 25 Fastner Geometry Calculators

Core diameter of Bolt given Tensile Stress

Go Core Diameter of Threaded Bolt = sqrt(4*Tensile Force on Bolt/(pi*Tensile stress in bolt))

Height of Fundamental Triangle of Screw Threads given Minor Diameter of External Thread

Go Height of Fundamental Triangle = (12/17)*(Major Diameter of External Thread-Minor Diameter of External Thread)

Major Diameter of External Thread given Minor Diameter of External Thread

Go Major Diameter of External Thread = Minor Diameter of External Thread+((17/12)*Height of Fundamental Triangle)

Minor Diameter of External Thread given Height of Fundamental Triangle

Go Minor Diameter of External Thread = Major Diameter of External Thread-((17/12)*Height of Fundamental Triangle)

Height of Fundamental Triangle of Screw Threads given Pitch Diameter of Internal Thread

Go Height of Fundamental Triangle = (Major Diameter of Internal Thread-Pitch Diameter of Internal Thread)/0.75

Height of Fundamental Triangle of Screw Threads given Pitch Diameter of External Thread

Go Height of Fundamental Triangle = (Major Diameter of External Thread-Pitch Diameter of External Thread)/0.75

Height of Fundamental Triangle of Screw Threads given Minor Diameter of Internal Thread

Go Height of Fundamental Triangle = (Major Diameter of Internal Thread-Minor Diameter of Internal Thread)/1.25

Major Diameter of Internal Thread given Pitch Diameter of Internal Thread

Go Major Diameter of Internal Thread = Pitch Diameter of Internal Thread+(0.75*Height of Fundamental Triangle)

Pitch Diameter of Internal Thread given Height of Fundamental Triangle

Go Pitch Diameter of Internal Thread = Major Diameter of Internal Thread-(0.75*Height of Fundamental Triangle)

Pitch Diameter of External Thread given Height of Fundamental Triangle

Go Pitch Diameter of External Thread = Major Diameter of External Thread-(0.75*Height of Fundamental Triangle)

Major Diameter of External Thread given Height of Fundamental Triangle

Go Major Diameter of External Thread = Pitch Diameter of External Thread+(0.75*Height of Fundamental Triangle)

Minor Diameter of Internal Thread given Height of Fundamental Triangle

Go Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.25*Height of Fundamental Triangle)

Major Diameter of Internal Thread given Height of Fundamental triangle

Go Major Diameter of Internal Thread = Minor Diameter of Internal Thread+(1.25*Height of Fundamental Triangle)

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

Go Major Diameter of Internal Thread = Pitch Diameter of Internal Thread+(0.650*Pitch of threads)

Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread

Go Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of threads)

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

Go Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads)

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

Go Major Diameter of Internal Thread = (1.083*Pitch of threads)+Minor Diameter of Internal Thread

Minor Diameter of External Thread given Pitch and Major Diameter of Internal Thread

Go Minor Diameter of External Thread = Major Diameter of Internal Thread-(1.227*Pitch of threads)

Major Diameter of Internal Thread given Pitch and Minor Diameter of External Thread

Go Major Diameter of Internal Thread = Minor Diameter of External Thread+(1.227*Pitch of threads)

Pitch of Threads given Pitch Diameter of Internal Thread

Go Pitch of threads = (Major Diameter of Internal Thread-Pitch Diameter of Internal Thread)/0.650

Pitch of Threads given Pitch Diameter of External Thread

Go Pitch of threads = (Major Diameter of External Thread-Pitch Diameter of External Thread)/0.650

Pitch of Threads given Minor Diameter of Internal Thread

Go Pitch of threads = (Major Diameter of Internal Thread-Minor Diameter of Internal Thread)/1.083

Pitch of Threads given Major Diameter of Internal Thread

Go Pitch of threads = (Major Diameter of Internal Thread-Minor Diameter of External Thread)/1.227

Pitch Diameter of Internal Thread given Pitch

Go Pitch Diameter of Internal Thread = Major Diameter of Internal Thread-(0.650*Pitch of threads)

Pitch Diameter of External Thread given Pitch

Go Pitch Diameter of External Thread = Major Diameter of External Thread-(0.650*Pitch of threads)

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

Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads)
D_c = D-(1.083*p)

What is a fastener?

A fastener or fastening is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components.

How to Calculate Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread?

Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread calculator uses Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads) to calculate the Minor Diameter of Internal Thread, Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread is defined as the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread. Minor Diameter of Internal Thread is denoted by D_c symbol.

How to calculate Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread using this online calculator? To use this online calculator for Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread, enter Major Diameter of Internal Thread (D) & Pitch of threads (p) and hit the calculate button. Here is how the Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread calculation can be explained with given input values -> 25678.83 = 0.03-(1.083*0.00399).

FAQ

What is Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread?

Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread is defined as the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread and is represented as D_c = D-(1.083*p) or Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads). 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 & Pitch of threads is the distance between two adjacent threads on a screw, bolt or nut.

How to calculate Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread?

Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread is defined as the diameter of the imaginary co-axial cylinder that just touches the base of an internal thread is calculated using Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.083*Pitch of threads). To calculate Minor Diameter of Internal Thread given Pitch and Major Diameter of Internal Thread, you need Major Diameter of Internal Thread (D) & Pitch of threads (p). With our tool, you need to enter the respective value for Major Diameter of Internal Thread & Pitch of threads and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Minor Diameter of Internal Thread?

In this formula, Minor Diameter of Internal Thread uses Major Diameter of Internal Thread & Pitch of threads. We can use 1 other way(s) to calculate the same, which is/are as follows -

Minor Diameter of Internal Thread = Major Diameter of Internal Thread-(1.25*Height of Fundamental Triangle)

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