Nominal Diameter of Bolt given Diameter of Hole inside Bolt Calculator

✖The Diameter of Hole inside Bolt is defined as the internal diameter of the hole that is made inside a bolt along its axis for weight reduction.ⓘ Diameter of Hole inside Bolt [d₁]			+10% -10%
✖Core Diameter of Bolt is defined as the smallest diameter of the thread of the bolt. The term “minor diameter” replaces the term “core diameter” as applied to the thread.ⓘ Core Diameter of Bolt [d_c]			+10% -10%

✖Nominal Bolt Diameter is the diameter equal to the external diameter of the threads or the overall diameter of the part of the bolt.ⓘ Nominal Diameter of Bolt given Diameter of Hole inside Bolt [d]

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Formula

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Nominal Diameter of Bolt given Diameter of Hole inside Bolt

Formula

`"d" = sqrt("d"_{"1"}^2+"d"_{"c"}^2)`

Example

`"15mm"=sqrt(("9mm")^2+("12mm")^2)`

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Nominal Diameter of Bolt given Diameter of Hole inside Bolt Solution

STEP 0: Pre-Calculation Summary

Formula Used

Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2)
d = sqrt(d₁^2+d_c^2)
This formula uses 1 Functions, 3 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Nominal Bolt Diameter - (Measured in Meter) - Nominal Bolt Diameter is the diameter equal to the external diameter of the threads or the overall diameter of the part of the bolt.
Diameter of Hole inside Bolt - (Measured in Meter) - The Diameter of Hole inside Bolt is defined as the internal diameter of the hole that is made inside a bolt along its axis for weight reduction.
Core Diameter of Bolt - (Measured in Meter) - Core Diameter of Bolt is defined as the smallest diameter of the thread of the bolt. The term “minor diameter” replaces the term “core diameter” as applied to the thread.

STEP 1: Convert Input(s) to Base Unit

Diameter of Hole inside Bolt: 9 Millimeter --> 0.009 Meter (Check conversion here)
Core Diameter of Bolt: 12 Millimeter --> 0.012 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d = sqrt(d₁^2+d_c^2) --> sqrt(0.009^2+0.012^2)

Evaluating ... ...

d = 0.015

STEP 3: Convert Result to Output's Unit

0.015 Meter -->15 Millimeter (Check conversion here)

FINAL ANSWER

15 Millimeter <-- Nominal Bolt Diameter

(Calculation completed in 00.004 seconds)

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Home » Physics » Design of Machine Elements » Design of Coupling » Threaded Bolted Joints » Bolt Dimensions » Nominal Diameter of Bolt given Diameter of Hole inside Bolt

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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< 8 Bolt Dimensions Calculators

Nominal Diameter of Bolt given Stiffness of Bolt

Go Nominal Bolt Diameter = sqrt((Stiffness of Bolt*Total Thickness of Parts held together by Bolt*4)/(Modulus of Elasticity of Bolt*pi))

Core Diameter of Bolt given Tensile Force on Bolt in Shear

Go Core Diameter of Bolt = Tensile Force in Bolt*Factor of Safety of Bolted Joint/(pi*Shear Yield Strength of Bolt*Height of Nut)

Core Diameter of Bolt given Tensile Force on Bolt in Tension

Go Core Diameter of Bolt = sqrt(Tensile Force in Bolt/(pi/4*Tensile Yield Strength of Bolt/Factor of Safety of Bolted Joint))

Core Diameter of Bolt given Maximum Tensile Stress in Bolt

Go Core Diameter of Bolt = sqrt(Tensile Force in Bolt/((pi/4)*Maximum Tensile Stress in Bolt))

Nominal Diameter of Bolt given Diameter of Hole inside Bolt

Go Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2)

Core Diameter of Bolt given Shear Area of Nut

Go Core Diameter of Bolt = Shear Area of Nut/(pi*Height of Nut)

Nominal Diameter of Bolt given Wrench Torque

Go Nominal Bolt Diameter = Wrench Torque for Bolt Tightening/(0.2*Pre Load in Bolt)

Nominal Diameter of Bolt given Height of Standard Nut

Go Nominal Bolt Diameter = Height of Nut/0.8

Nominal Diameter of Bolt given Diameter of Hole inside Bolt Formula

Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2)
d = sqrt(d₁^2+d_c^2)

Define Nominal Diameter of Bolt

The size most commonly associated with screw threads is the nominal diameter. The nominal diameter is more of a label than a size. For example, a bolt and nut may be described as being ½” diameter. But neither the external threads of the bolt nor the internal threads of the nut are exactly. 500 in diameter.

How to Calculate Nominal Diameter of Bolt given Diameter of Hole inside Bolt?

Nominal Diameter of Bolt given Diameter of Hole inside Bolt calculator uses Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2) to calculate the Nominal Bolt Diameter, Nominal Diameter of Bolt given Diameter of Hole inside Bolt formula is defined as the size most commonly associated with screw threads is the nominal diameter. The nominal diameter is more of a label than a size. Nominal Bolt Diameter is denoted by d symbol.

How to calculate Nominal Diameter of Bolt given Diameter of Hole inside Bolt using this online calculator? To use this online calculator for Nominal Diameter of Bolt given Diameter of Hole inside Bolt, enter Diameter of Hole inside Bolt (d₁) & Core Diameter of Bolt (d_c) and hit the calculate button. Here is how the Nominal Diameter of Bolt given Diameter of Hole inside Bolt calculation can be explained with given input values -> 15000 = sqrt(0.009^2+0.012^2).

FAQ

What is Nominal Diameter of Bolt given Diameter of Hole inside Bolt?

Nominal Diameter of Bolt given Diameter of Hole inside Bolt formula is defined as the size most commonly associated with screw threads is the nominal diameter. The nominal diameter is more of a label than a size and is represented as d = sqrt(d₁^2+d_c^2) or Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2). The Diameter of Hole inside Bolt is defined as the internal diameter of the hole that is made inside a bolt along its axis for weight reduction & Core Diameter of Bolt is defined as the smallest diameter of the thread of the bolt. The term “minor diameter” replaces the term “core diameter” as applied to the thread.

How to calculate Nominal Diameter of Bolt given Diameter of Hole inside Bolt?

Nominal Diameter of Bolt given Diameter of Hole inside Bolt formula is defined as the size most commonly associated with screw threads is the nominal diameter. The nominal diameter is more of a label than a size is calculated using Nominal Bolt Diameter = sqrt(Diameter of Hole inside Bolt^2+Core Diameter of Bolt^2). To calculate Nominal Diameter of Bolt given Diameter of Hole inside Bolt, you need Diameter of Hole inside Bolt (d₁) & Core Diameter of Bolt (d_c). With our tool, you need to enter the respective value for Diameter of Hole inside Bolt & Core Diameter of Bolt 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 Nominal Bolt Diameter?

In this formula, Nominal Bolt Diameter uses Diameter of Hole inside Bolt & Core Diameter of Bolt. We can use 3 other way(s) to calculate the same, which is/are as follows -

Nominal Bolt Diameter = Height of Nut/0.8
Nominal Bolt Diameter = sqrt((Stiffness of Bolt*Total Thickness of Parts held together by Bolt*4)/(Modulus of Elasticity of Bolt*pi))
Nominal Bolt Diameter = Wrench Torque for Bolt Tightening/(0.2*Pre Load in Bolt)

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