Use our tools and technology to reduce complexity

The state-of-the-art CAD tool supports your product and design choices with animation, two- and three-dimensional views in varying detail and additional smart features.

The Bossard calculators and converters are designed for engineers, technicians, designers and students working with the design and assembly of bolted joints.

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Online Calculators and Apps

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Bossard Cost Savings Calculator  Bossard Metric - Inch 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. Bossard Hardness converter Bossard Tolerances shaft and holes
 Cost Savings
 Calculator
 Metric — Inch
 Converter
 Hardness
 Converter
 Tolerances for
 shafts and holes
       
Icon_Einschraublaenge_grey Bolt_Size_grey Icon_Bohrlochgroesse_grey Bossard Pilot hole design eocsyn-plast
 Thread engagement 
 Length Calculator
 Estimation of bolt size
 and property class
 Drill hole size for
 tapped threads
 Pilot hole design for
 ecosyn®-plast
       
Bossard Pilot hole design tapping screw Icon_Drehmoment_Vorspann_grey Bossard Torque and preload factor Metric with tool accuracy Bossard Torque and preload with nut factor - Inch 
 Pilot hole design for
 tapping screws

 Torque and preload
 Calculator

 Torque and preload
 with nut factor and
 tool accuracy
 Metric
 Torque and preload
 with nut factor
 Inch
       
Bossard Torque and preload factor Inch with tool accuracy Disc Spring Calculator Bossard preload friction scatter Torque and preload for customized geometry and material
 Torque and preload
 with nut factor and
 tool accuracy
 Inch

Disc spring
Calculator

Torque and preload
with friction scatter
Torque and preload for customized geometry and material
       

Disclaimer

The engineering calculators are free to use under the terms and conditions set out under Imprint.

The calculators shall facilitate and support you when designing products. The results depend on assumptions you provide. We do not guarantee their accuracy or applicability to your circumstances.

For a thorough engineering advice please contact us.

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