Fastener Calc
iOS app by Bossard AG. Productivity · Bossard AG
- Store rating
- 1 / 5
- Store rating count
- 1
- Download price
- 2.99 USD
- In-app purchases
- Unknown
- Version
- 2.2.1
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
Bossard - Proven Productivity Bossard calculators and converters are designed for engineers, technicians, designers and students involved in the development and assembly of bolted joint. Calculators categories: * Converters are used for converting different units of measure, such as lengths, hardnesses, pressures etc. The converters are divided into topic areas to enable the most efficient selection possible. --- Length converter is used for converting more than 68 different units of measure, such as inch, centimetre, metre, mile, foot, yard etc. --- Torque converter is used for converting different torques, such as newton metre, dyne metre, kilogram force metre, ounce force inch etc. --- Pressure converter is used for converting different pressure units, such as bar, millibar, psi, pascal etc. --- Force converter is used for converting different force units, such as newton, dyne, kilogram force, ounce force etc. --- Metric - imperial units fasteners converter. Converting between metric and inch fasteners forces you to make compromises.This converter gives you best proposals and will show you the differences in an easy way. --- Hardnes converter. Conversion of hardness-to-hardness or hardness-to-tensile-strength values for unalloyed and low-alloy steels and cast iron. * Geometrical calculators are used for dimensioning and implementation in the joining technology. --- Drill hole size for tapped threads. Calculate the proper tap drill size for the most commonly used screws. --- Pilot hole design for tapping screws. Calculate core hole diameters for tapping screws (Based on DIN 7975:1989) --- Pilot hole design for ecosyn®-Plast. Calculate the boss geometry for various types of thermoplastics for ecosyn®-plast. --- Tolerances for shafts and holes. Find and calculate tolerances for holes and shafts. Based on standard tolerance classes and limit deviations from ISO 286-2:2010 * Mechanical calculators are used for dimensioning and designing in the joining technology. --- Estimation of bolt size and property class. Which dimension and strength should a bolt have for my application? Estimate the required diameter and property class. Based on VDI 2230:2014. --- Disc spring calculator. Calculate disc springs with geometry and properties according to DIN 2093. Calculations based on DIN 2092. --- Cost savings calculator. Calculate savings potential for fasteners by looking at activity costs. --- Thread engagement length calculator. Calculate the theoretical minimum required thread engagement length for blind hole and through hole applications. Based on VDI 2230:2014 --- Torque and preload with nut factor. Calculate tightening torque and preload with nut factor for inch screws. Based on formula T = D*K*F. --- Torque and preload with nut factor and tool accuracy - imperial system. Calculate tightening torque and preload with nut factor for inch screws. The calculation considers tool accuracy and scatter on preload. --- Torque and preload with nut fac
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