TruTool F 125 Seam Locker


Our Price $1,999.00

The TRUMPF TruTool F 125 Seam Locker is used to hammer already prepared angle and standing seams so as to lock and form a tight seal. The freestanding tool is perfectly adapted to lock the already prefolded seams which occur in corners and angles. The spring loaded hammer is meant to ensure there is a virtue of consistency as far as quality is concerned.

SKU: 1942392

Product Details

Shop Accessories…

Advantages of the TRUMPF  F 125 Seam Locker

If the workpiece exhibits inconsistencies in sheet thickness, the TruTool F 125 adjusts automatically. Hammer and anvil can be conveniently exchanged without tools. Prepared angle and standing seams are tightly closed at undiminished quality by a spring-mounted hammer. The height of the seam is always 40 mm. The free-standing tool allows you to work even in tight corners and angles. The setting for sheet thickness is quickly selected without tools

For closing prepared angle and standing seams

  • Closes pre-formed standing seams, even in corners and angles
  • Spring-loaded hammer ensures consistent quality with variations in sheet thickness
  • Precision adjustment of working distance between hammer and anvil
  • Machine available as electric-version


  • Heating and ventilation works
  • Chimney works
  • House-front construction
  • Industrial ventilators


TRUMPF Seam Locker TruTool F 125 (230V) TruTool F 125 (110V)
Max. material thickness
  • Steel 400 / mm²
1.25 mm 1.25 mm
Lock seam thickness and elevation
  • Max. edge thickness
5 mm 5 mm
  • Edge length (H)
40 mm 40 mm
Working speed 5 m/min – 6 m/min 5 m/min – 6 m/min
Rated input power 500 W 500 W
Strokes at nominal load 1850 RPM 1850 RPM
Weight (electrical version: without cable, cordless version: with battery) 2.8 kg 2.8 kg
Accessories included
TRUMPF BOX included
Additional accessories
Hammer, upper 0102964
Hammer, lower 0105448
Plastic buffer 0105449


FABTECH SOLUTIONS is a proud distributor of TRUMPF Power Tools. Our Service Department can assist with finding the right tool for the job. Ensuring high quality equipment, training and service resources is an essential component for prolonging the life and effectiveness of your sheet metal fabrication power tools and machinery.

Explore TRUMPF Replacement Parts and Repair Services

For your convenience, there are instruction and service manuals for your TRUMPF TruTools included below. These manuals have been prepared for operators and maintenance personnel. It is important that all persons responsible for the care and operation of this equipment fully understand the information presented in this material. Manuals are shown for reference purposes only; please contact our Service Department with any questions or concerns.

TRUMPF Seam Locker

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