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18mm Hole Mild Steel Perforated Sheet (R18 T22)
Perforated sheetMild steelKenton code K078M
Stock and sheet sizes
| Mild steelK078M | 2000 x 1000 | 2500 x 1250 | 3000 x 1500 | kg/m² |
|---|---|---|---|---|
| 1.0mm | 5-7 days | 5-7 days | 5-7 days | 3.1 |
| 1.5mm | 5-7 days | 5-7 days | 5-7 days | 4.6 |
| 2.0mm | 5-7 days | 5-7 days | 5-7 days | 6.2 |
✓ 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
- 18mm round
- Pitch
- 22mm staggered 60°
- Row spacing
- 19.05mm
- Bar between holes
- 4mm
- Open area
- 61%
- Holes per m²
- 2,390
- Thickness
- 1–2mm
- Material
- Mild steel
About R18 T22 mild steel perforated sheet
R18 T22 is an 18mm round hole perforated sheet in mild steel, with the holes on a 22mm staggered pitch giving 61% open area. It’s made to order, usually in 5-7 days, in thicknesses from 1 to 2mm. 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 R18 T22 mean?
R18 is an 18mm round hole. T22 means the holes sit on a 22mm staggered (60°) pitch, measured centre to centre.
This pattern also comes in
Similar patterns
| Pattern | Hole | Pitch | Open area | Thickness | Stock |
|---|---|---|---|---|---|
| R15 T21 | 15mm round | 21mm staggered | 46% | 1–4mm | ✓ In stock |
| R15 T22 | 15mm round | 22mm staggered | 42% | 1.5–3mm | 5-7 days |
| R16 T20 | 16mm round | 20mm staggered | 58% | 1–1.5mm | 5-7 days |
| R18 T22This page | 18mm round | 22mm staggered | 61% | 1–2mm | 5-7 days |
| R20 T25 | 20mm round | 25mm staggered | 58% | 1–3mm | 5-7 days |
| R20 T27 | 20mm round | 27mm staggered | 50% | 1.5–2mm | 5-7 days |
| R20 T28 | 20mm round | 28mm staggered | 46% | 1–4mm | ✓ In stock |
The nearest mild steel round hole patterns to R18 T22. See every mild steel pattern →
Dimensions are nominal and weights approximate. Stock changes daily, so please call to confirm.




