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10mm Hole Pre-Galvanised Steel Perforated Sheet (R10 U21)
Description


R10 U21. 10mm round hole, 21mm square pitch.
Hole layout. Enlarged, not to scale. Dimensions in mm.

Perforated sheet, pre-galvanised, r10 u21. Kenton code K430
10mm hole pre-galvanised steel perforated sheet
R10 U21 is a 10mm round hole perforated sheet in pre-galvanised steel, with the holes on a 21mm square pitch giving 18% open area. It’s made to order, usually in 5 to 7 days, in 2mm thickness.
Also written: R10U21 · 10mm R10 · 10mm hole 21mm pitch · 10mm round hole on 21mm square centres
| ThicknessPre-galvanised, K430 | Sheet size (mm) | Weightkg/m² |
|---|---|---|
| 2000 x 1000 | ||
| 2.0mm | 5 to 7 days | 12.9 |
✓ In stock on the shelf, ready to send; 5 to 7 days made to order; blank = not a standard size
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Choose the thickness
Pick the thickness you need. Sheets marked in stock go out next working day.
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Sizes in mm. Blank sizes aren’t made in this thickness.
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Need it cut to size, folded or made to a drawing? Add the details on the form, or call 0117 963 4579.
Hole layout

Enlarged, not to scale. Dimensions in mm.
About R10 U21
R10 U21 is a 10mm round hole perforated sheet in pre-galvanised steel, with the holes on a 21mm square pitch giving 18% open area. It’s made to order, usually in 5 to 7 days, in 2mm thickness.
All sizes in the table are made to order, usually in 5 to 7 days.
What does R10 U21 mean?
R10 is a 10mm round hole. U21 means the holes sit on a 21mm square (in-line) pitch, measured centre to centre.
This pattern also comes in
Not quite right? Compare similar patterns
Anything different from R10 U21 is marked. See every pre-galvanised steel pattern, or work out a different pattern
| Pattern | Hole | Pitch | Open area | Thickness | Stock |
|---|---|---|---|---|---|
| R8 T10 | 8mm round | 10mm staggered | 58% | 0.75mm | 5 to 7 days |
| R8 T11 | 8mm round | 11mm staggered | 48% | 1–2mm | 5 to 7 days |
| R8 T12 | 8mm round | 12mm staggered | 40% | 1–3mm | 5 to 7 days |
| R10 T14 | 10mm round | 14mm staggered | 46% | 1–2mm | 5 to 7 days |
| R10 T15 | 10mm round | 15mm staggered | 40% | 1–3mm | ✓ In stock |
| YOU’RE VIEWINGR10 U21 | 10mm round | 21mm square | 18% | 2mm | 5 to 7 days |
| R15 T21 | 15mm round | 21mm staggered | 46% | 1–3mm | 5 to 7 days |
Highlighted where it differs from R10 U21
Get a price
Your choice is already filled in below. Add your details and we’ll come back with a price and a delivery date, usually the same working day. Need a different size? We can cut sheets down, so just add the sizes.
Phone
0117 963 4579Address
25/26 Barnack Trading Centre
Novers Hill, Bristol BS3 5QE
Opening hours
Monday to Thursday 8:30 to 5
Friday 8:30 to 3



