Fastener Calculators

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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 factor and tool accuracy - metric.

Calculate tightening torque and preload with nut factor for metric screws.

The calculation considers tool accuracy and scatter on preload. Based on formula T = D*K*Fmean

--- Torque and preload with friction scatter.

Calculate tightening torque and preload for hex head and socket head screws.

The calculation considers friction scatter, tool accuracy and scatter on preload. Based on VDI 2230:2014

--- Torque and preload for customized geometry and material.

Calculate tightening torque, preload and surface pressure for hex head, socket head and countersunk screws. Customized head shapes, hole chamfers, reduced shanks and materials are available options. Based on VDI 2230:2014

--- Torque and preload calculator.

Calculate tightening torque, preload and surface pressure for hex head and socket head screws. Based on VDI 2230:2014.