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Type FL Beam Flange Clamp

An easy to install beam flange clamp, with moderate loading capacity, for suspending building services from structural or secondary beams.

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Fire tested, FM and VdS approved standard flange clamp for applications with moderate loadings. The Type FL uses a grade 8.8 cup point setscrew for a secure grip on both parallel and tapered flanges. Supplied with the back hole drilled or tapped and a hexagon head metric setscrew. Manufactured from malleable iron with zinc plated finish. Can be used with Type SW (Swivel Unit) when connecting to inclined sections.

NEW: Independently fire tested in accordance with ASTM E-119 for a duration of 120 minutes. For fire-resistance rating load limits please click here to download the flyer.

Features & Benefits

  • NEW: Independently fire tested in accordance with ASTM E-119.
  • Simple cost effective solution.
  • Suitable for parallel and tapered flanges.


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


  • Manufactured from malleable iron to BS EN 1562.
  • Supplied with zinc plated finish.

Technical Specification

Click to view labelled diagram

Product Code Safe Working Loads (FOS 4:1) Tightening Torque Dimensions
Drilled Hole Tapped Hole Drilled Hole Ø Tapped Thread Tensile Clamping Range Setscrew Setscrew Locknut T U X Width V
mm kN mm Nm Nm mm mm mm mm
LFL037C* LFL037T 11 M10 2.4 3 - 20 M10 8 22 45 40 22 22
LFL050C LFL050T 13 M12 3.1 3 - 24 M10 8 22 50 46 28 25

* Also available in stainless steel.

Product Code Safe Working Load (FOS 4:1) Tightening Torque Dimensions
Drilled Hole Tapped Hole Ø Drilled Hole Tapped Thread Tensile Clamping Range Setscrew1) Setscrew Locknut T U X Width V
lbs ft lb ft lb
LFL037C* LFL037T 716" 38" UNC 540 18" - 2532" M10 (38") 6 16 134" 1916" 78" 78"
LFL050C LFL050T 12" 12" UNC 700 18" - 1516" M10 (38") 6 16 2" 11316" 118" 1"

* Also available in stainless steel. 

1) Metric setscrew supplied.

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

    Drilling and welding in the field 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 detailing

    Free connection detailing

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

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