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Pitch of Threads is the distance between two adjacent threads on a screw, bolt or nut. Check FAQs
p=d-dp0.650
p - Pitch of Threads?d - Major Diameter of External Thread?dp - Pitch Diameter of External Thread?

Pitch of Threads given Pitch Diameter of External Thread Example

With values
With units
Only example

Here is how the Pitch of Threads given Pitch Diameter of External Thread equation looks like with Values.

Here is how the Pitch of Threads given Pitch Diameter of External Thread equation looks like with Units.

Here is how the Pitch of Threads given Pitch Diameter of External Thread equation looks like.

4Edit=29.8Edit-27.2Edit0.650
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Pitch of Threads given Pitch Diameter of External Thread Solution

Follow our step by step solution on how to calculate Pitch of Threads given Pitch Diameter of External Thread?

FIRST Step Consider the formula
p=d-dp0.650
Next Step Substitute values of Variables
p=29.8mm-27.2mm0.650
Next Step Convert Units
p=0.0298m-0.0272m0.650
Next Step Prepare to Evaluate
p=0.0298-0.02720.650
Next Step Evaluate
p=0.004m
LAST Step Convert to Output's Unit
p=4mm

Pitch of Threads given Pitch Diameter of External Thread Formula Elements

Variables
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.
Major Diameter of External Thread
Major Diameter of External Thread is the diameter of the imaginary co-axial cylinder that just touches the crest of an external thread.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
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.
Symbol: dp
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other Formulas to find Pitch of Threads

​Go Pitch of Threads given Pitch Diameter of Internal Thread
p=D-Dp0.650
​Go Pitch of Threads given Minor Diameter of Internal Thread
p=D-Dc1.083
​Go Pitch of Threads given Major Diameter of Internal Thread
p=D-dc1.227
​Go Pitch of Threads given Height of Fundamental Triangle
p=H0.960491

Other formulas in Fastner Geometry category

​Go Pitch Diameter of Internal Thread given Pitch
Dp=D-(0.650p)
​Go Minor Diameter of Internal Thread given Pitch and Pitch Diameter of Internal Thread
D=Dp+(0.650p)
​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 Pitch of Threads given Pitch Diameter of External Thread?

Pitch of Threads given Pitch Diameter of External Thread evaluator uses Pitch of Threads = (Major Diameter of External Thread-Pitch Diameter of External Thread)/0.650 to evaluate the Pitch of Threads, Pitch of Threads given Pitch Diameter of External Thread is the distance from a point on the screw thread to a corresponding point on the next thread measured parallel to the axis. Pitch of Threads is denoted by p symbol.

How to evaluate Pitch of Threads given Pitch Diameter of External Thread using this online evaluator? To use this online evaluator for Pitch of Threads given Pitch Diameter of External Thread, enter Major Diameter of External Thread (d) & Pitch Diameter of External Thread (dp) and hit the calculate button.

FAQs on Pitch of Threads given Pitch Diameter of External Thread

What is the formula to find Pitch of Threads given Pitch Diameter of External Thread?
The formula of Pitch of Threads given Pitch Diameter of External Thread is expressed as Pitch of Threads = (Major Diameter of External Thread-Pitch Diameter of External Thread)/0.650. Here is an example- 4000 = (0.0298-0.0272)/0.650.
How to calculate Pitch of Threads given Pitch Diameter of External Thread?
With Major Diameter of External Thread (d) & Pitch Diameter of External Thread (dp) we can find Pitch of Threads given Pitch Diameter of External Thread using the formula - Pitch of Threads = (Major Diameter of External Thread-Pitch Diameter of External Thread)/0.650.
What are the other ways to Calculate Pitch of Threads?
Here are the different ways to Calculate Pitch of Threads-
  • Pitch of Threads=(Major Diameter of Internal Thread-Pitch Diameter of Internal Thread)/0.650OpenImg
  • Pitch of Threads=(Major Diameter of Internal Thread-Minor Diameter of Internal Thread)/1.083OpenImg
  • Pitch of Threads=(Major Diameter of Internal Thread-Minor Diameter of External Thread)/1.227OpenImg
Can the Pitch of Threads given Pitch Diameter of External Thread be negative?
No, the Pitch of Threads given Pitch Diameter of External Thread, measured in Length cannot be negative.
Which unit is used to measure Pitch of Threads given Pitch Diameter of External Thread?
Pitch of Threads given 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 of Threads given Pitch Diameter of External Thread can be measured.
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