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

✖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 [d_p]			+10% -10%
✖Pitch of Threads is the distance between two adjacent threads on a screw, bolt or nut.ⓘ Pitch of Threads [p]			+10% -10%

✖Major Diameter of External Thread is the diameter of the imaginary co-axial cylinder that just touches the crest of an external thread.ⓘ Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread [d]

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Formula

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

Formula

d = d p + (0.650 \cdot p)

Example

29.7935 mm = 27.2 mm + (0.650 \cdot 3.99 mm)

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

STEP 0: Pre-Calculation Summary

Formula Used

Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of Threads)
d = d_p+(0.650*p)
This formula uses 3 Variables

Variables Used

Major Diameter of External Thread - (Measured in Meter) - Major Diameter of External Thread is the diameter of the imaginary co-axial cylinder that just touches the crest of an external thread.
Pitch Diameter of External Thread - (Measured in Meter) - Pitch Diameter of External Thread is the simple effective diameter of external screw thread, approximately halfway between the major and minor diameters.
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

Pitch Diameter of External Thread: 27.2 Millimeter --> 0.0272 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 = d_p+(0.650*p) --> 0.0272+(0.650*0.00399)

Evaluating ... ...

d = 0.0297935

STEP 3: Convert Result to Output's Unit

0.0297935 Meter -->29.7935 Millimeter (Check conversion here)

FINAL ANSWER

29.7935 Millimeter <-- Major Diameter of External Thread

(Calculation completed in 00.004 seconds)

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

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National Institute of Technology (NIT), Tiruchirapalli

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< Fastner Geometry Calculators

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)

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)

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 Diameter of Internal Thread given Pitch

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

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

Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of Threads)
d = d_p+(0.650*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 Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread?

Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread calculator uses Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of Threads) to calculate the Major Diameter of External Thread, Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread is used to determine the largest diameter of an external thread, which is crucial for ensuring that the threaded component will fit properly with the corresponding internal thread. By calculating the major diameter, engineers and manufacturers can ensure compatibility, proper engagement, and optimal load distribution in mechanical assemblies involving threaded components, such as bolts, screws, and fasteners. Major Diameter of External Thread is denoted by d symbol.

How to calculate Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread using this online calculator? To use this online calculator for Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread, enter Pitch Diameter of External Thread (d_p) & Pitch of Threads (p) and hit the calculate button. Here is how the Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread calculation can be explained with given input values -> 29793.5 = 0.0272+(0.650*0.00399).

FAQ

What is Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread?

Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread is used to determine the largest diameter of an external thread, which is crucial for ensuring that the threaded component will fit properly with the corresponding internal thread. By calculating the major diameter, engineers and manufacturers can ensure compatibility, proper engagement, and optimal load distribution in mechanical assemblies involving threaded components, such as bolts, screws, and fasteners and is represented as d = d_p+(0.650*p) or Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of Threads). Pitch Diameter of External Thread is the simple effective diameter of external screw thread, approximately halfway between the major and minor diameters & Pitch of Threads is the distance between two adjacent threads on a screw, bolt or nut.

How to calculate Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread?

Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread is used to determine the largest diameter of an external thread, which is crucial for ensuring that the threaded component will fit properly with the corresponding internal thread. By calculating the major diameter, engineers and manufacturers can ensure compatibility, proper engagement, and optimal load distribution in mechanical assemblies involving threaded components, such as bolts, screws, and fasteners is calculated using Major Diameter of External Thread = Pitch Diameter of External Thread+(0.650*Pitch of Threads). To calculate Major Diameter of External Thread given Pitch and Pitch Diameter of External Thread, you need Pitch Diameter of External Thread (d_p) & Pitch of Threads (p). With our tool, you need to enter the respective value for Pitch Diameter of External 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 Major Diameter of External Thread?

In this formula, Major Diameter of External Thread uses Pitch Diameter of External Thread & Pitch of Threads. We can use 2 other way(s) to calculate the same, which is/are as follows -

Major Diameter of External Thread = Pitch Diameter of External Thread+(0.75*Height of Fundamental Triangle)
Major Diameter of External Thread = Minor Diameter of External Thread+(17/12*Height of Fundamental Triangle)

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