Veteran Owned Business

TruTool F 300 Seam Locker

Our Price: $3,170.00

The TRUMPF TruTool F 300 Seam Locker is an ideal seam closer made for creating air tight seals on straight or curved pieces of metal. This seam closer works great for closing Pittsburgh lock seams and is ergonomically designed for great comfort during the working process. When it comes to creating perfect seals and closing seams the TRUMPF TruTool Series gets the job done.

SKU 1942409 Category

Advantages of the TruTool F 300 Seam Locker

TruTool F 300 closes Pittsburgh seams in straight or bent ducts in an independent roll-glide process. The sheet thickness range extends from 0.75 mm to 1.25 mm construction steel. The seam closer works conveniently and quietly; the infeed ensures continuous and tight seams. 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.

Tight seams in straight or curved ducts

  • Closes Pittsburgh seams on straight and radius duct from 0.75 mm to 1.25 mm sheet
  • 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 LockerTruTool F 300 (230V)TruTool F 300 (110V)
Min. material thickness
  • Steel 400 / mm²
0.75 mm0.75 mm
Max. material thickness
  • Steel 400 / mm²
1.25 mm1.25 mm
Min. flange height (B)
  • Sheet thickness – 0.75
9 mm9 mm
  • Sheet thickness > 0.75 – 1
11 mm11 mm
  • Sheet thickness > 1 – 1.25
13 mm13 mm
Working speed4 m/min – 7 m/min4 m/min – 7 m/min
Smallest inner radius (preformed)150 mm150 mm
Smallest outer radius300 mm300 mm
Rated input power600 W500 W
Weight (electrical version: without cable, cordless version: with battery)5.4 kg5.4 kg
Accessories included
Hex head wrenchDIN 911-40138648
Hex head wrench6 mm0067849
Form piece0118860
Universal oil500 ml0136688
Carrying caseincluded
Additional accessories
Guide rail0920881
Drive roll 30°0135477
Drive roll 75°0135478
Roll (horizontal)0135791
Support roll0136773


Operators Manual
Spare Parts
Motor Parts

TRUMPF Seam Locker

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