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R20 T25 perforated sheet: 20mm round holes on 25mm staggered pitch

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20mm Hole Aluminium Perforated Sheet (R20 T25)

Perforated sheetAluminiumKenton code K079A

20mmRound hole
25mmStaggered pitch
58%Open area
1–3mmThickness

Stock and sheet sizes

AluminiumK079A 2000 x 1000 2500 x 1250 3000 x 1500 kg/m²
1.0mm 5-7 days 5-7 days 5-7 days 1.1
1.5mm 5-7 days 5-7 days 5-7 days 1.7
2.0mm 5-7 days 5-7 days 5-7 days 2.3
3.0mm 5-7 days 5-7 days 5-7 days 3.4

✓ 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
Need a price?Tell us the thickness, sizes and quantity and we’ll come back to you.

0117 963 4579Email us

Description

Technical details

Hole layout

R20 T25 hole layout: 20mm round holes, 25mm staggered pitch, 5mm bar, 21.65mm row spacing

Enlarged, not to scale. Dimensions in mm, pitch measured centre to centre.

Specification

Hole
20mm round
Pitch
25mm staggered 60°
Row spacing
21.65mm
Bar between holes
5mm
Open area
58%
Holes per m²
1,850
Thickness
1–3mm
Material
Aluminium
Need it cut, folded or made to a drawing?We guillotine sheets to size while you wait, and fold, roll and fabricate panels, guards and trays to your drawing.

Call 0117 963 4579Email your drawing

About R20 T25 aluminium perforated sheet

R20 T25 is a 20mm round hole perforated sheet in aluminium, with the holes on a 25mm staggered pitch giving 58% 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 R20 T25 mean?

R20 is a 20mm round hole. T25 means the holes sit on a 25mm staggered (60°) pitch, measured centre to centre.

This pattern also comes in

Mild steelPre-galvanised steelStainless 304Stainless 316

Similar patterns

Pattern Hole Pitch Open area Thickness Stock
R15 T21 15mm round 21mm staggered 46% 1–3mm ✓ In stock
R16 T20 16mm round 20mm staggered 58% 1.5–2mm 5-7 days
R18 T22 18mm round 22mm staggered 61% 1–2mm 5-7 days
R20 T25This page 20mm round 25mm staggered 58% 1–3mm 5-7 days
R20 T28 20mm round 28mm staggered 46% 1–3mm ✓ In stock
R20 U48.5 20mm round 48.5mm square 13% 1–3mm ✓ In stock
R25 T30 25mm round 30mm staggered 63% 1–3mm 5-7 days

The nearest aluminium round hole patterns to R20 T25. See every aluminium pattern →

Dimensions are nominal and weights approximate. Stock changes daily, so please call to confirm.

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