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Type HW / HC

Hemispherical washer and cup for vertical suspension of building services from structural or secondary beams that are inclined.

View technical specification


The Type HW / HC is a two part attachment designed to be used where the steelwork has been pre-drilled. The hemispherical Washer and Cup allow building services to be suspended vertically from angled beams of up to 10° swing either side of the vertical. Manufactured from malleable iron with a zinc plated or hot dip galvanised finish to provide high performance and anti-corrosion protection.

Features & Benefits

  • Simple cost effective solution.
  • Washer can be used without cup.


Click on an approval logo to download the certificate or report.


  • Manufactured from malleable iron to BS EN 1562.
  • Available with zinc plated or hot dip galvanised finish.

Technical Specification

Click to view labelled diagram

Product Code Hemispherical Washer Hemispherical Cup Hemispherical Washer & Cup
Hemispherical Washer Hemispherical Cup Rod Z X W1 Y W2 R L
(can be used without cup) mm mm mm mm mm mm
HW10 HC10 M10 25 12 32 12 13 16
HW12 HC12 M12 29 12 35 12 14 18
HW16 HC16 M16 34 16 41 16 17 22
HW20 HC20 M20 44 19 54 19 22 24

Faster to Install

No drilling or welding!

Independently Approved

Reasons to choose Lindapter

  • Save time and money

    Save time and money

    Clamping two steel sections together avoids time-consuming welding or conventional drilling and bolting.

  • Safer connections

    Safer connections

    On-site drilling and welding is avoided, removing the need for hot work permits and encouraging safer site conditions.

  • High strength

    High strength

    Lindapter clamps are manufactured from high strength materials to resist high load requirements and harsh environments.

  • Industry leading approvals

    Industry leading approvals

    Lindapter has earned a reputation synonymous with safety and reliability, gaining multiple independent approvals.

  • Adjustable


    Quickly align steel sections by sliding the section into the correct position before tightening the Girder Clamp to complete the installation.

  • Free connection design

    Free connection design

    Lindapter’s experienced Engineers can design a bespoke connection based on your specific requirements free of charge.

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