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Lindapter Fire Rated Hollo-Bolts

Product News

Lindapter Fire Rated Hollo-Bolts

Written by: Damian Haigh

17/10/23  |  1 Min read

Lindapter Hollo-Bolts are now independently Fire Rated for up to 120 minutes.

As part of our continued commitment and investment in product development and testing Lindapter commissioned the Building Research Establishment (BRE) to independently fire test Lindapter Hollo-Bolts.

Lindapter’s Hollo-Bolt Hexagonal Head is an expansion bolt that only requires access from one side of the Structural Hollow Section (SHS). They offer a faster alternative to welding or through-bolting, enabling contractors to reduce construction time and labour costs. Installation is quickly carried out by inserting into pre-drilled steelwork and tightening with a torque wrench. Also suitable for blind connections where access is available from one side only.

We are now pleased to announce that our carbon steel, hexagonal head Hollo-Bolts in all sizes have been fire tested in accordance with ISO 834 and are now fire rated up to 120 minutes.

This provides further reassurance to construction professionals working with Lindapter and demonstrates our commitment to quality and transparency of product performance by increasing the volume of independent data that we have.

For further details and load data please contact us.

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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