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3mm Hole 304 Stainless Steel Perforated Sheet (R3 T4)
Perforated sheetStainless 304Kenton code K025S
Stock and sheet sizes
| Stainless 304K025S | 2000 x 1000 | 2500 x 1250 | kg/m² |
|---|---|---|---|
| 1.0mm | ✓ In stock | 5-7 days | 3.9 |
✓ 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
- 3mm round
- Pitch
- 4mm staggered 60°
- Row spacing
- 3.46mm
- Bar between holes
- 1mm
- Open area
- 51%
- Holes per m²
- 72,200
- Thickness
- 1mm
- Material
- Stainless 304
About R3 T4 304 stainless steel perforated sheet
R3 T4 is a 3mm round hole perforated sheet in 304 stainless steel, with the holes on a 4mm staggered pitch giving 51% open area. We keep it in stock here in Bristol, in 1mm thickness. Every sheet can be cut to size while you wait, and stock sheets go out on next working day delivery anywhere in the UK.
In stock: 1mm in 2m x 1m sheets. Everything else in the table is made to order in 5-7 days.
What does R3 T4 mean?
R3 is a 3mm round hole. T4 means the holes sit on a 4mm staggered (60°) pitch, measured centre to centre.
This pattern also comes in
Similar patterns
| Pattern | Hole | Pitch | Open area | Thickness | Stock |
|---|---|---|---|---|---|
| R2 T3 | 2mm round | 3mm staggered | 40% | 1mm | ✓ In stock |
| R2 T3.5 | 2mm round | 3.5mm staggered | 30% | 1–1.5mm | ✓ In stock |
| R3 T4This page | 3mm round | 4mm staggered | 51% | 1mm | ✓ In stock |
| R3 T5 | 3mm round | 5mm staggered | 33% | 0.7–3mm | ✓ In stock |
| R3 T6 | 3mm round | 6mm staggered | 23% | 1–2mm | ✓ In stock |
| R4 T6 | 4mm round | 6mm staggered | 40% | 1–2mm | ✓ In stock |
| R5 T7 | 5mm round | 7mm staggered | 46% | 1–2mm | ✓ In stock |
The nearest 304 stainless steel round hole patterns to R3 T4. See every 304 stainless steel pattern →
Dimensions are nominal and weights approximate. Stock changes daily, so please call to confirm.




