Bolted Joint Calculator Beta

Bolt Pattern Selector

Unit Selector

Bolt Pattern Settings

Grid Pattern

Circle Pattern

X And Y Pattern

Unit: mm

Bolt Pattern

Joint Loading Input

Vector Inputs

Number Of Vectors

Unit: mm and N

Loading At Pattern Centroid

Low Range Loading At Pattern Centroid

Joint Load Display

Bolt Number X Y Axial Force Shear Force Resultant

Alternating Force Low Range

Bolt Number X Y Axial Force Shear Force Resultant

Bolt Parameters

Standardized Hardware Selection

Standard Bolt Parameters

Advanced K Factor Toggle

Advanced K Factor Parameters

Bolt Performance Parameters

Bolt Condition KT
Nonplated, Black Finish 0.30
Zinc-plated 0.20
Lubricated 0.18
With Anti-Seize 0.12

Bolted Joint Members

Lowest Friction Coefficient In Joint (For Resisting Shear)

Number of Joint Members

Member One

Member Two

Member Three

Member Four

Member Five

Member Six

Member Seven

Member Eight

Bottom Most Member

Nut Parameters

Threaded Member Parameters

Tightening Method Accuracy

Current Value Selected

±35%

Bolted Joint Member Display

Bolted Joint Results

Joint Physical Checks

Bolt Length Extra (+) Or Shortage (-)
0
Short
Okay
Long
Thread Engagement
Insufficient Thread Engagement
Risky Thread Engagement
Sufficient Thread Engagement
Sufficient Threaded Length
Enough Threads To Acheive Clamp Load
Diameter Checks
Inner Diameter Smaller Than Outer Diameter
Bolt Vs Threads Yield Check
Bolt Has Higher Yield Than Nut/Threaded Final Member

Joint Mechanical Checks

Max Axial Loading
Axial Load
Max Shear Loading
Shear Load
Joint Seperation Saftey Factor
Seperation Safety Factor
Bolt Torque Range
Min Torque
Nominal Torque
Max Torque
Bolt Preload Range
Min Preload
Nominal Preload
Max Preload
Von Mises Safety Factor
Von Mises Safety Factor
External Thread Safety Factor
External Thread Safety Factor
Internal Thread Safety Factor
Internal Thread Safety Factor
Member Pull Through Safety Factors
Member Bearing Safety Factors
Pin Bearing Safety Factors
Fatigue Safety Factor
Fatigue Safety Factor

Bolted Joint Diagram

Fatigue Diagram

Bolt Load Capacity Diagram

Master Text Input

Warning

This here is a debugging tool I left in because I took the time to code it up so why not?

It is not your friend. It's about as user friendly as a pair of plutonium underwear.

You need to know exactly what you're doing. Everything needs to be entered in with the correct units.

Proceed with extra caution at your own extreme peril.