Perforated metal sheets and coils
Punched metal patterns for screening, ventilation, drainage and architectural applications — produced on JASSCO's CNC and mechanical perforation lines, the company's core trade since 1990.
Technical characteristics
| Patterns | Round, square, slotted, hexagonal and decorative patterns can be specified. |
|---|---|
| Pitch arrangements | Straight (rectangular), staggered and triangular pitches. |
| Formats | Perforated sheet or coil. |
| Machine envelope | Up to 5 mm thick and 1,280 mm wide (mechanical); up to 3 mm on CNC perforation. See the machinery directory for each machine. |
Materials
Mild steel, stainless steel, aluminium, copper and brass, as applicable. Suitability of each material for a given thickness and pattern is confirmed at enquiry.
Configuration and customisation
- Hole shape, size and pitch to your drawing
- Plain (unperforated) margins and blank areas
- Cut to size, bent, rolled or welded into finished parts
- Powder coated where specified
Typical applications
- Building facades and sunshades
- Machine guards and safety screens
- Ventilation grilles and HVAC panels
- Acoustic assemblies
- Filtration supports, sieves and drainage
What to include in your drawing or specification
To review feasibility and prepare an accurate quotation, please specify:
- Material grade
- Thickness
- Sheet size or coil width
- Hole shape and size
- Pitch and pitch arrangement
- Open area (if a design requirement)
- Plain margins
- Quantity
Specification note: Confirm all pattern dimensions, margins and material requirements on the approved drawing.
Manufacturing processes used
This product draws on the following in-house capabilities:
- Metal Perforation
- Cut-to-Length Processing
- Sheet Metal Shearing
- CNC Sheet Metal Bending
- In-house Powder Coating
Frequently asked questions
What is the maximum thickness for perforated sheet?
Mechanical perforation machines are listed up to 5 mm thickness on sheet up to 1,280 mm wide. CNC perforation machines are listed up to 3 mm.
Can you match an existing perforation pattern?
Send a sample drawing or photograph with dimensions. Tooling availability for that hole size and pitch is confirmed before quoting.
Which metals can be perforated?
The catalogue lists mild steel, stainless steel, aluminium, copper and brass, as applicable to the thickness and pattern.
Do you supply coils as well as sheets?
Yes, the catalogue lists perforated sheets and coils. Share the coil width, thickness and pattern.