App Detail » Bolt & Thread Calculators

What's New

- Build with iOS SDK 13.0
- Added LaunchScreen storyboard
- Increased usability of the app

App Description

Bolt & Thread Calculators contains the following calculators.

Bolt/Pin in Single Shear
Bolt/Pin in Double Shear
Thread Shear Area (ISO 898)
External Thread Shear Area
Internal Thread Shear Area
Thread Tensile Stress Area
Thread Tensile Stress Area (for more than 100,000 psi material)
Thread Tensile Stress Area (for less than 100,000 psi material)
Minimum Thread Engagement
Minimum Thread Engagement (ISO)
Fastener/Thread Pitch Circle
Fastener/Thread Ratio and Length
Torque Wrench Adapter - Reduced Arm Calculator
Torque Wrench Adapter - Extended Arm Calculator
Axial Clamp Force
Thread Yield & Tensile Strength
Self Tapping Screw Pull-Out and Torque
Screw Work Gear Axial Force

Please send us any comments, suggestions or questions through our website.

App Changes

• September 04, 2015 Initial release
• December 13, 2015 New version 1.1
• January 06, 2016 New version 1.2
• January 25, 2016 New version 1.3
• February 20, 2016 New version 1.4
• February 20, 2016 New version 1.4
• July 03, 2016 New version 1.7
• July 08, 2016 New version 1.8
• August 18, 2016 New version 1.9
• November 06, 2016 New version 2.1
• January 04, 2017 New version 2.2
• June 15, 2019 New version 2.7
• July 15, 2020 New version 2.8