Content with Part 7

12 December 2015
Andrews Fasteners Bolt Length Calculator for BS EN 14399 High-strength structural bolting assemblies for preloading (HR) HR Bolt to EN 14399-3:2015 / HR Countersunk bolt EN 14399-7:2018 This calculator is for guidance only and is used for calculating the minimum recommended bolt length based on maximum allowed thickness of the assembly components and the steelwork. This information is provided in good faith and is for your guidance only. Andrews Fasteners Limited can not accept any liability for actions taken by third parties based on this information.
Read more about Bolt Length Calculator for HR Bolts and HR Countersunk Bolts (EN 14399-3/7)

07 December 2015
Maximum bolt length = 300 mm The values produced on this calculator are for information purpose only. They are calculated using formulas stated in relevant standard and are provided in good faith and for your guidance only. Andrews Fasteners Limited can not accept any liability for actions taken by third parties based on this information. Bolt diameter M Length X Calculate Reset form Thread b (ref.): Minimum thread (full thread): Maximum thread inc.
Read more about Thread Length Calculator for Countersunk High-Strength Structural Bolts to BS EN 14399-7 (HR CSK)