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30mm Hole Pre-Galvanised Steel Perforated Sheet (R30 T40)
Perforated sheetPre-galvanisedKenton code K085G
Stock and sheet sizes
| Pre-galvanisedK085G | 2000 x 1000 | 2500 x 1250 | 3000 x 1500 | kg/m² |
|---|---|---|---|---|
| 1.0mm | 5-7 days | 5-7 days | 5-7 days | 3.8 |
| 1.5mm | 5-7 days | 5-7 days | 5-7 days | 5.8 |
| 2.0mm | 5-7 days | 5-7 days | 5-7 days | 7.7 |
| 3.0mm | 5-7 days | 5-7 days | 5-7 days | 11.5 |
✓ 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
- 30mm round
- Pitch
- 40mm staggered 60°
- Row spacing
- 34.64mm
- Bar between holes
- 10mm
- Open area
- 51%
- Holes per m²
- 722
- Thickness
- 1–3mm
- Material
- Pre-galvanised
About R30 T40 pre-galvanised steel perforated sheet
R30 T40 is a 30mm round hole perforated sheet in pre-galvanised steel, with the holes on a 40mm staggered pitch giving 51% 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 R30 T40 mean?
R30 is a 30mm round hole. T40 means the holes sit on a 40mm staggered (60°) pitch, measured centre to centre.
This pattern also comes in
Similar patterns
| Pattern | Hole | Pitch | Open area | Thickness | Stock |
|---|---|---|---|---|---|
| R18 T22 | 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% | 2mm | 5-7 days |
| R20 T28 | 20mm round | 28mm staggered | 46% | 1–3mm | ✓ In stock |
| R25 T30 | 25mm round | 30mm staggered | 63% | 1–3mm | 5-7 days |
| R30 T35 | 30mm round | 35mm staggered | 67% | 1–3mm | 5-7 days |
| R30 T40This page | 30mm round | 40mm staggered | 51% | 1–3mm | 5-7 days |
The nearest pre-galvanised steel round hole patterns to R30 T40. See every pre-galvanised steel pattern →
Dimensions are nominal and weights approximate. Stock changes daily, so please call to confirm.




