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12mm Hole Mild Steel Perforated Sheet (R12 U27.72)
Perforated sheetMild steelKenton code K480M
Stock and sheet sizes
| Mild steelK480M | 2000 x 1000 | 2500 x 1250 | 3000 x 1500 | kg/m² |
|---|---|---|---|---|
| 1.0mm | 5-7 days | 5-7 days | 5-7 days | 6.7 |
| 1.5mm | 5-7 days | 5-7 days | 5-7 days | 10.0 |
| 2.0mm | 5-7 days | 5-7 days | 5-7 days | 13.4 |
| 3.0mm | 5-7 days | 5-7 days | 5-7 days | 20.1 |
✓ In stockon the shelf in Bristol5-7 daysmade to orderBlank = not a standard size · sizes in mm
- Cut to sizewhile you wait
- Next working daydelivery on stock sheets
- Folded & fabricatedto your drawing
Description
Technical details
Hole layout

Enlarged, not to scale. Dimensions in mm, pitch measured centre to centre.
Specification
- Hole
- 12mm round
- Pitch
- 27.72mm square
- Bar between holes
- 15.72mm
- Open area
- 15%
- Holes per m²
- 1,300
- Thickness
- 1–3mm
- Material
- Mild steel
About R12 U27.72 mild steel perforated sheet
R12 U27.72 is a 12mm round hole perforated sheet in mild steel, with the holes on a 27.72mm square pitch giving 15% open area. It’s made to order, usually in 5-7 days, in thicknesses from 1 to 3mm. Every sheet can be cut to size while you wait, and stock sheets go out on next working day delivery anywhere in the UK.
All sizes in the table are made to order, usually in 5-7 days.
What does R12 U27.72 mean?
R12 is a 12mm round hole. U27.72 means the holes sit on a 27.72mm square (in-line) pitch, measured centre to centre.
This pattern also comes in
Similar patterns
| Pattern | Hole | Pitch | Open area | Thickness | Stock |
|---|---|---|---|---|---|
| R10 U15 | 10mm round | 15mm square | 35% | 1–3mm | ✓ In stock |
| R10 U21 | 10mm round | 21mm square | 18% | 1–3mm | ✓ In stock |
| R10 U26 | 10mm round | 26mm square | 12% | 1–3mm | ✓ In stock |
| R12 T16 | 12mm round | 16mm staggered | 51% | 1–6mm | ✓ In stock |
| R12 T20 | 12mm round | 20mm staggered | 33% | 1–10mm | ✓ In stock |
| R12 U27.72This page | 12mm round | 27.72mm square | 15% | 1–3mm | 5-7 days |
| R15 U36.38 | 15mm round | 36.38mm square | 13% | 1–3mm | 5-7 days |
The nearest mild steel round hole patterns to R12 U27.72. See every mild steel pattern →
Dimensions are nominal and weights approximate. Stock changes daily, so please call to confirm.




