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R3 T7 perforated sheet: 3mm round holes on 7mm staggered pitch

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3mm Hole Aluminium Perforated Sheet (R3 T7)

Perforated sheetAluminiumKenton code K033A

3mmRound hole
7mmStaggered pitch
17%Open area
1.5–3mmThickness

Stock and sheet sizes

AluminiumK033A 2000 x 1000 2500 x 1250 3000 x 1500 kg/m²
1.5mm 5-7 days 5-7 days 5-7 days 3.4
2.0mm 5-7 days 5-7 days 5-7 days 4.5
3.0mm 5-7 days 5-7 days 5-7 days 6.8

✓ 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

R3 T7 hole layout: 3mm round holes, 7mm staggered pitch, 4mm bar, 6.06mm row spacing

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

Specification

Hole
3mm round
Pitch
7mm staggered 60°
Row spacing
6.06mm
Bar between holes
4mm
Open area
17%
Holes per m²
23,600
Thickness
1.5–3mm
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 R3 T7 aluminium perforated sheet

R3 T7 is a 3mm round hole perforated sheet in aluminium, with the holes on a 7mm staggered pitch giving 17% open area. It’s made to order, usually in 5-7 days, in thicknesses from 1.5 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 R3 T7 mean?

R3 is a 3mm round hole. T7 means the holes sit on a 7mm staggered (60°) pitch, measured centre to centre.

This pattern also comes in

Pre-galvanised steel

Similar patterns

Pattern Hole Pitch Open area Thickness Stock
R2.5 T3.5 2.5mm round 3.5mm staggered 46% 1mm 5-7 days
R3 T4 3mm round 4mm staggered 51% 1mm 5-7 days
R3 T5 3mm round 5mm staggered 33% 0.7–3mm ✓ In stock
R3 T6 3mm round 6mm staggered 23% 1–3mm 5-7 days
R3 T7This page 3mm round 7mm staggered 17% 1.5–3mm 5-7 days
R4 T7 4mm round 7mm staggered 30% 1–3mm 5-7 days
R4 T8 4mm round 8mm staggered 23% 1–2mm 5-7 days

The nearest aluminium round hole patterns to R3 T7. See every aluminium pattern →

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

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