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Type AAF High Slip Resistance Girder Clamp

aaf girder clamp

ICC-ES approved, adjustable girder clamp used to quickly connect steel beams with flat or tapered flanges. High slip resistance for tensile, frictional and combined load applications.

The Type AAF girder clamp is the world’s first and only structural steel clamping system that is approved by ICC-ES for use in all Seismic Design Categories (A through F) and compliant with the International Building Code.

It is used to achieve a fast steel-to-steel connection where high load capacities are present in either tensile, frictional or combined load directions.

It features an innovative two-part design that incorporates a rocking washer to allow the clamp to self-adjust to suit a range of flange thicknesses.

Manufactured from low temperature SG iron with a hot dip galvanized finish to provide high performance and anti-corrosion protection in cold environments down to -76°F.

 
 

Features & Benefits

 

  • High slip resistance for tensile, frictional and combined load applications.
  • Self-adjusts to suit flange thicknesses 3⁄16" - 19⁄16" (size 3⁄4").
  • Safe working loads apply in temperatures as low as -76°F.
  • Suitable for parallel and tapered flanges up to 10°.
  • The tail spans slotted clearance holes.
  • Lindapter recommends the use of DTI Washers when using A325 or A490 structural bolts with Type AAF.
  • Independently approved for fatigue resistance.

 

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Specifications

Bolt Safe Working Loads Dimensions
Part Number Product Code Size Z Grade Tensile Resistance / 1 Bolt (FOS 4.5:1) Slip Resistance1) / 2 Bolts (FOS 2:1) Tightening Torque* Clamping Range3) V Y X T Width
Painted Steel2) Galvanized Steel
lbs lbs lbs ft lb
BA-1/2-AAF LAAF050 1⁄2" Gr. 5 / A325 1911 764 877 66 3⁄16" - 1" 1" - 1 5⁄16" 1 1⁄16" - 1 15⁄16" 1 1⁄32" - 1 3⁄8" 1 5⁄8"
BA-5/8-AAF LAAF062 5⁄8" Gr. 5 / A325 3597 1798 2248 177 1⁄4" - 1 3⁄16" 1 5⁄16" - 2" 1 1⁄4" - 2 5⁄16" 1 3⁄8" - 1 13⁄16" 2 3⁄16"
BA-3/4-AAF LAAF075 3⁄4" Gr. 5 / A325 5901 2922 3597 347 1⁄4" - 1 9⁄16" 1 7⁄8" - 3 1⁄16" 1 15⁄16" - 2 1⁄2" 2 1⁄16" - 2 1⁄2" 3"
BA-5/8-AAF LAAF062 5⁄8" A490** 4383 2473 2698 221 1⁄4" - 1 3⁄16" 1 5⁄16" - 2" 1 1⁄4" - 2 5⁄16" 1 3⁄8" - 1 13⁄16" 2 3⁄16"
BA-3/4-AAF LAAF075 3⁄4" A490** 6744 4496 5620 477 1⁄4" - 1 9⁄16" 1 7⁄8" - 3 1⁄16" 1 15⁄16" - 2 1⁄2" 2 1⁄16" - 2 1⁄2" 3"

 

 

1) Slip resistant values calculated against movement exceeding 0.004" / 0.1mm.

2) Shot blast and painted steel.

3) Packing pieces are available to increase the clamping range.

* Torque figures based on fasteners in an unlubricated condition.

** Limited availability of Grade A490 bolts - please check availability before specifying.

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Trademarks are the properties of their respective owner(s).

November 2023 ,

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.


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