Trumpf TruTool F 301 Seam Locker

The Trumpf TruTool F 301 Seam Locker automatically closes and adjusts to the metal sheet thickness, combined with the automatic self feeding mechanism this sheet metal fastener barely needs an operator. The operator is able to guide the metal fastener along the seam creating a perfect seal the first time. This seam closer is a great metal fastener and seam closer, working effectively on straight or curved ventilation pieces.



SKU: 1942414 Category:

Advantages of the TruTool F 301 Seam Locker

With this seam closer you can make Pittsburgh seams in straight or bent ducts in an independent roll-glide process. You can use this to join sheets between 0.45 and 1 mm thickness. Adjustment to sheet thickness is automatic and the self-feed ensures continuous, tight seaming. There is no need for conversion for processing of shaped and curved pieces. Adaptation to sheet thickness is automatic. On-site assembly is also possible.

For straight or bent ducts from thin sheet on up

  • Closes Pittsburgh seams on straight and radius duct from 0.45 mm to 1.00 mm sheet thickness
  • No refitting when processing formed or folded pieces
  • Machine available as electric-version


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


Trumpf Seam Locker TruTool F 301 (230V) TruTool F 301 (110V)
Min. material thickness
  • Steel 400 / mm²
0.45 mm 0.45 mm
Max. material thickness
  • Steel 400 / mm²
1 mm 1 mm
Min. flange height (B)
  • Sheet thickness – 0.75
7.5 mm 7.5 mm
  • Sheet thickness > 0.75 – 1
8 mm 8 mm
Working speed 4 m/min – 7 m/min 4 m/min – 7 m/min
Smallest inner radius (preformed) 150 mm 150 mm
Smallest outer radius 300 mm 300 mm
Rated input power 500 W 500 W
Weight (electrical version: without cable, cordless version: with battery) 5.2 kg 5.2 kg
Accessories included
Allen Wrench DIN 911-4 0067849
Hex head wrench 6 mm 0067849
Hex head wrench 6 mm 0118860
Koffer mitgeliefert
500 ml 0138648
Universal oil
Carrying case included
TRUMPF Box included
Additional accessories
Guide rail 0920881
Drive roll 30° 0145769
Drive roll 75° 0135478
Roll (horizontal) 100 – 230 V 0135791
Universal oil 500 ml 0135791


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.

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

FABTECH SOLUTIONS offers the most competitive pricing available.

Our Sales Department offers extensive industry knowledge and experience to help you find the best metalworking equipment and machinery for your unique solution. Whether your looking to purchase new metal fabrication equipment or used fabrication machine tools, we will source your product through our industry network.
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