CINCINNATI Precision Machinery - sheet metal fabrication machinery specialists...we are here to serve you for all of your sheet metal fabricating machinery Here at CPM we represent machinery for all of your sheet metal fabrication needs - everything from hand tools to lasers, coilines to brakes, notchers to ironworkers and much more. Please give us a call or glance through CINCINNATI Precision Machinery 's site for all your sheet metal fabrication needs.



Used Machinery

ALL Used Machinery

Used Air Compressors

Used Autobrakes / Sheet Metal Folders

Used Bar Folders

Used Sheet Metal Brakes

Used Cheek Benders

Used Cleat Benders / Cleat Folders

Used Clincher / Fasteners

Used Coil Lines

Used Crimping / Beading / Rotary Machine

Used Drill Press

Used Duct Beading Machine

Used Duct Insulation Liner Cutters

Used Flangers / Flanging Machines

Used Gorelockers / Elbow Machines

Used Grinders

Used HVAC Accessories

Used HVAC Duct Insulation Pin Spotters

Used Ironworkers

Used Laser Cutting Machines

Used Mechanical Piping Equipment

Used Notching Machines

Used Pittsburgh Seamers

Used Plasma Cutting Machines

Used Press Brakes

Used Punching Machines

Used Sheet Metal Rolls

Used Roll Formers

Used Saws

Used Sheet Metal Shears

Used Sheet Metal Slitters

Used Spiral Machines

Used Welders



Spiral-Helix | StitchWelders

Since 1961 SPIRAL-HELIX, Inc. has been the world leader in the design, engineering and manufacturing of quality spiral duct machinery. Today Spiral Helix offers a one-stop-shop for your spiral duct and fitting machine needs.

SPIRAL-HELIX’s research and development is the cornerstone for their automatic tubeformers that produce a higher quality duct with reduced production costs. Several patented inventions, such as the Flying Slitter, Flying Crimper and Triple-Rib, have established SPIRAL-HELIX as the foremost and leading innovator in spiral duct manufacturing.

SPIRAL-HELIX's commitment to excellence also extends to our leading after-sales service and support programs. For ordering to ongoing support, SPIRAL-HELIX works with customers worldwide to deliver a machine that meets our customers’ needs and provides years of reliable service.

SPIRAL-HELIX, Inc. is a proud member of the Spiro group Inventor of the spiral duct machine (Tubeformer).



SPIRAL-HELIX has a wide variety of longitudinal welding machines to choose from. Each Stitchwelder requires just a 1/4" (6 mm) overlap and produces beautiful seams by using recyclable copper wire electrodes that will not burn galvanized steel.

Our Stitchwelders, you will save time, money, and energy. For your convenience, SPIRAL-HELIX offers two different models: Stitchwelder SWA 400 and Stitchwelder 320.



Sprial Helix model Stitchwelder swa 400


The new Stitchwelder SWA 400 reduces labour cost significantly. The machine produces couplings, bend segments and several other products at high speed. A short setup time and fixed tools ensures high quality.

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spiral helix model stitchwelder 320


The Stitchwelder 320 produces a top quality welded seam which does not alter the quality of the welded material. No more burnt galvanizing which means less finishing work. No additional sealing paint will be required. The welded seam is consistently accurate from the beginning to the end.

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