Tag: nut face washer

Do I need Bolt Face Washer or Nut Face Washer (EN 14399-9) with DTI’s?

When ordering Preloaded Assemblies (EN 14399-1) to be installed with Direct Tension Indicator Washers (DTI’s), there are 4 different methods of how they can be […]


EN 14399-9: Basic dimensions for Nut face and bolt face washers

Nut face washers and bolt face washers – basic dimensions According to EN 14399-9:2018 Dimensions of nut face washers (NH) Size (d) M12 M16 M20 M22 […]


BS EN 14399 Preload bolt assemblies (UKCA & CE Marked)

BS EN 14399-3 Preload bolt assemblies (HR) High-strength structural bolting assemblies for preloading Previously known as High Strength Friction Grip (HSFG) We are a manufacturer of UKCA […]