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Johnson Brothers Metal Forming Co.

Lock Seam Tubing & Lockseam Tubes

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Standard Sizes Chart - Lock Seam Tubing

Lockseam Tubing is Formed From All Types of Metals Either Plain or Prepainted, Galvanized, Prepolished, Prelaminated Vinyl, Preanodized, Preplated, Pre-Embossed, Aluminized, Galvannealled, Strippable- PVC Covered.

Inline Press Fabrications of: Holes, Slots, Notching, Tabs, Shear Forms, End Fabricating, Cut to Length, Pointing & Staking, Roll Edged Ends, Flattened Ends, and more.

  • Secondary Fabricating: End Fabricating, Roll Edge Ends, Bent and Flattened Ends, Cuttouts, and more.
  • Telescoping Sets Available for Lock Seam Tubes
  • Lock Seams are Tight and will not break open when bent, or flattened, or twisted.
  • Other Custom Special Shapes are possible, along with Finned or Flanged Seams.
  • Strippable PVC Protection can be added to lock seam tubes for Protecting Decorative Finishes.
  • Double Sided Adhesive Tape and Other Materials can be Applied Inline during forming.
  • Can be economical with Thin Wall, with Prefinishing and/or Inline Fabricating.
  • Thicker Wall Thicknesses can be provided with Special Tooling required.
  • Ends of lock seam tubes can be Clean Cut, Dimple Free, using Inline Prenotching Tooling.
  • Not Air or Water Pressure Holding, Collapses when Bent
  • Steel Should be Prefinished. Raw Finished Steel is not as economical to Lock Seam Tubes

Prefinished Lockseam Tubing

View more Specialty Tubing here: Specialty Tubing | Open Seam, Open Buttseam & Tubing w/ Gap | Flanged & Finned Seamed Tubing | Hemmed Seam Tubing | Split Seam & Butt Seam Tubing | Telescopic Tubing | Round Tubing Segments, Curved Strips & Tape | Special Shape Tubing

To see more of our products please see our catalog information.


LS-001
PDF  |  LS-001 |   CAD File
LSCIR-01
PDF  |  LSCIR-01 |   CAD File
TU-003
PDF  |  TU-003 |   CAD File
904
PDF  |  904 |   CAD File
854
PDF  |  854 |   CAD File
820
PDF  |  820 |   CAD File
947
PDF  |  947 |   CAD File
845
PDF  |  845 |   CAD File
592
PDF  |  592 |   CAD File
576
PDF  |  576 |   CAD File
721
PDF  |  721 |   CAD File
082009-01
PDF  |  082009-01 |   CAD File
082009-02
PDF  |  082009-02 |   CAD File
082009-03
PDF  |  082009-03 |   CAD File
578
PDF  |  578 |   CAD File
582
PDF  |  582 |   CAD File
583
PDF  |  583 |   CAD File
584
PDF  |  584 |   CAD File
585
PDF  |  585 |   CAD File
593
PDF  |  593 |   CAD File
716
PDF  |  716 |   CAD File
717
PDF  |  717 |   CAD File
718
PDF  |  718 |   CAD File
 

We're looking forward to fulfilling all of your custom roll forming needs.
5520 McDermott Drive - Berkeley, IL 60163-1203 (Chicago Suburb)
- Telephone: (708) 449-7050 - 24 Hour Fax: (708) 449-0042

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