Round Perforation
About Product:
Standard round patterned perforated sheets are available in the following dimensions.

• ​Please refer to our 'actual size' downloadable Perforated Metal brochure for further product information and illustrations.​

Needing something made to measure or fit for purpose for an industrial project? Talk with one of our helpful team to get the best technical information and advice for all custom and bespoke requirements.
The Tilley Designline Bespoke & Custom and Ready to Use Patterns contains a variety of architectural inspiration and technical information for that next big project. CLICK HERE...

P031
R0.5 T1.09 Tilley Perforated Sheet (Ø0.5mm Hole @ 1.09mm centres Triangular Pitch 19% Open Area)
Stainless Steel 304 grade: 0.4mm
P037
R0.6 T1.4 Tilley Perforated Sheet (Ø 0.6mm hole @ 1.5mm centres Triangular Pitch 15% Open Area)
Stainless Steel 304 grade: 0.5mm
P042
R0.8 T1.5 Tilley Perforated Metal ( Ø0.8mm @ 1.5mm centres Triangular Pitch 26% open area)
Stainless Steel 304 grade: 0.5mm
P052
R1.0 T2.0 Tilley Perforated Metal (Ø1.0mm @ 2.0mm centres Triangular Pitch 23% open area)
Mild Steel: 1.0mm,
Stainless Steel 304 grade: 1.0mm,
Stainless Steel 316 grade: 0.5mm
P061
R1.25 T 2.4 Tilley Perforated Metal (Ø1.25mm @ 2.4mm centres Triangular Pitch 25% open area)
Stainless Steel 316 grade: 0.7mm
P074
R1.5 T2.5 Tilley Perforated Metal (Ø1.5mm @ 2.5mm centres Triangular Pitch 33% open area)
Mild Steel: 1.0mm
Galv: 0.95mm
Stainless Steel 304 grade: 0.9mm
Stainless Steel 316 grade: 0.7mm
P089
R2.0 T3.0 Tilley Perforated Metal (Ø2.0mm @ 3.0mm centres Triangular Pitch 40% open area)
Galv: 0.95mm
Electro Galv: 1.0mm
Stainless Steel 316 grade: 0.9mm, 1.5mm
P090
R2.0 T 3.5 Tilley Perforated Metal (Ø2.0mm @ 3.5mm centres Triangular Pitch 30% open area)
Mild Steel: 2.0mm
P106
R2.4 T3.66 Tilley Perforated Metals (Ø2.4mm @ 3.66mm centres Triangular Pitch 40% open area)
Mild Steel: 1.2mm
P119
R2.41 M6.74 Tilley Perforated Metal (Ø2.41 @ 6.74 centres 45 degree 10% open area)
Aluminium: 0.7mm
Galv: 0.55mm, 0.75mm
P119 A
R2.0 T6.0 Tilley Perforated Metal (Ø2.0mm @ 6.0mm centres Triangular Pitch 10% open area)
Galv: 0.75mm
P122
R2.5 T4.0 Tilley Perforated Metal (Ø2.5mm @ 4.0mm centres Triangular Pitch 35% open area)
Galv: 1.5mm
Stainless Steel 316 grade: 2.0mm
P130
R3.0 Z6.4 x 8.6 Tilley Perforated Metal (Ø3.0mm @ 6.4mm x 8.6mm centres Rectangular Pitch 25.5% open area)
Galv: 0.75mm
P136
R3.0 T4.5 Tilley Perforated Metal (Ø3.0mm @ 4.5mm centres Triangular Pitch 40% open area)
Mild Steel: 1.5mm, 2.0mm, 3.0mm
Galv: 0.75mm
Stainless Steel 304 grade: 0.9mm, 2.0mm
Stainless Steel 316 grade: 1.2mm, 1.5mm, 2.0mm
P139
R3.2 T4.52 Tilley Perforated Metal (Ø3.2mm @ 4.52mm centres Triangular Pitch 46% open area)
Electro Galv: 1.2mm
P140
R3.23 T4.78 Tilley Perforated Metal (Ø3.23mm @ 4.78mm centres Triangular Pitch 41% open area)
Aluminium: 2.0mm
Electro Galv: 1.0mm, 1.2mm
P142
R3.0 T5.0 Tilley Perforated Metal (Ø3.0mm @ 5.0mm centres Triangular Pitch 33% open area)
Mild Steel: 3.0mm
Galv: 0.95mm, 1.5mm
Stainless Steel 304 grade: 1.2mm, 1.5mm
Stainless Steel 316 grade: 0.9mm
P167
R4.0 T6.0 Tilley Perforated Metal (Ø4.0mm @ 6.0mm centres Triangular Pitch 40% open area)
Mild Steel: 1.5mm, 3.0mm
Stainless Steel 304 grade: 1.5mm
P186
R5.0 T6.5 Tilley Perforated Metal (Ø5.0mm @ 6.5mm centres Triangular Pitch 54% open area)
Aluminium: 0.9mm, 1.2mm, 1.5mm, 2.0mm
Mild Steel: 1.0mm, 1.5mm
Galv: 0.7mm, 1.5mm
Stainless Steel 304 grade: 1.2mm, 1.5mm
Stainless Steel 316 grade: 0.9mm, 1.2mm, 1.5mm
 P187
R5.0 T7.0 Tilley Perforated Metal (Ø5.0mm @7.0mm centres Triangular Pitch 46% open area)
Mild Steel: 1.0mm, 1.2mm, 1.5mm
Galv: 0.75mm, 0.95mm, 1.5mm
Stainless Steel 304 grade: 0.9mm, 1.2mm
Stainless Steel 316 grade: 0.9mm, 1.6mm
P189
R5.0 T8.0 Tilley perforated Metal (Ø5.0mm @ 8.0mm centres Triangular Pitch 35% open area)
Mild Steel: 3.0mm, 5.0mm
Stainless Steel 316 grade: 2.5mm
P201
R4.76 U25.4 Tilley Perforated Metal (Ø4.76mm @ 25.4mm centres Square Pitch 3% open area)
Mild Steel: 1.0mm, 1.6mm
P216
R6.0 T 10.0 Tilley Perforated Metal (Ø6.0mm @ 10.0mm centres Triangular Pitch 33% open area)
Mild Steel: 5.0mm
P218
R6.0 T9.0 Tilley Perforated Metal (Ø6.0mm @9.0mm centres Triangular Pitch 40% open area)
Aluminium: 1.2mm, 1.5mm, 2.0mm
Mild Steel: 1.2mm, 1.5mm, 2.0mm, 3.0mm, 5.0mm
Galv: 0.95mm, 1.2mm
Stainless Steel 304 grade: 1.2mm, 1.5mm
Stainless Steel316 grade: 1.2mm, 1.5mm, 2.5mm, 3.0mm
P219
R6.0 T12.0 Tilley Perforated Metal (Ø6.0mm @ 12.0mm centres Triangular Pitch 22.7% open area)
Aluminium: 1.5mm, 2.0mm
Mild Steel: 1.5mm, 2.0mm
P220
R6.35 T9.55 Tilley Perforated Metal (Ø6.35mm @ 9.55mm centres Triangular Pitch 40% open area)
Mild Steel: 1.6mm
Stainless Steel 304 grade: 1.2mm
P243
R7.94 T12.7 Tilley Perforated Metal (Ø7.94mm @12.7mm centres Triangular Pitch 35% open area)
Aluminium: 2.0mm
Mild Steel: 1.6mm, 3.0mm
Stainless Steel 304 grade: 1.6mm, 2.0mm
Stainless Steel 316 grade: 1.6mm, 2.5mm
P244
R8.0 T12.0 Tilley Perforated Metal (Ø8.0mm @ 12.0mm centres Triangular Pitch 40% open area
Mild Steel: 5.0mm
P260
R9.5 T12.7 Tilley Perforated Metal (Ø9.5mm @ 12.7mm centres Triangular Pitch 51% open area)
Aluminium: 2.0mm, 3.0mm
P266
R9.53 T14.27 Tilley Perforated Metal (Ø9.53mm @ 14.27mm centres Triangular Pitch 40% open area)
Aluminium: 1.2mm, 1.5mm, 2.0mm
Mild Steel: 1.0mm, 1.6mm, 3.0mm, 5.0mm
Galv: 0.95mm, 1.6mm, 2.0mm, 3.0mm
Stainless Steel 304 grade: 1.2mm, 1.5mm, 2.0mm
Stainless Steel 316 grade 1.6mm, 2.5mm, 2.0mm
P267
R10.0 T16.0 Tilley Perforated Metal (Ø10.0mm @ 16.0mm centres Triangular Pitch 35% open area)
Mild Steel: 6.0mm
 P291
R12.7 T17.27 Tilley Perforated Metal (Ø12.7mm @ 17.27mm centres Triangular Pitch 49% open area)
Aluminium: 1.5mm, 2.0mm
Mild Steel: 1.6mm, 3.0mm
Galv: 1.6mm, 3.0mm
Stainless Steel 304 grade: 1.2mm, 1.5mm, 2.0mm
Stainless Steel 316 grade 2.0mm, 2.5mm
P296
R12.0 T26.0 Tilley Perforated Metal (Ø12.0mm @ 26.0mm centres Triangular Pitch 19% open area)
Mild Steel: 6.0mm
P315
R15.88 T20.52 Tilley Perforated Metal (Ø15.88mm @ 20.52mm centres Triangular Pitch 54% open area)
Aluminium: 1.2mm, 1.5mm, 2.0mm
Mild Steel: 3.0mm
Stainless Steel 304 grade: 1.2mm, 1.5mm, 2.0mm
 P317
R15.0 T23.0 Tilley Perforated Metal (Ø15.0mm @ 22.0mm centres Triangular Pitch 42% open area)
Mild Steel: 5.0mm
P329
R19.05 T25.4 Tilley Perforated Metal (Ø19.05mm @ 25.4mm centres Triangular Pitch 51% open area)
Mild Steel: 1.0mm, 1.6mm, 3.0mm
Galv: 0.95mm, 1.6mm, 2.0mm
Stainless Steel 304 grade: 1.6mm
 
Orders and Enquiries
When enquiring and ordering Tilley Perforated Material it is most helpful if customers can have the following information:-
1. Perforation Number / Hole Diameter
2. Type of Material
3. Material Thickness
4. Number of Sheets Required
In addition to the standard range, Tilley Group Ltd can manufacture non standard designs to order, however it should be noted that the material thickness can not exceed the diameter of the holes.

Tilley Group Limited
Tilley Group Ltd was established in 1921 and provides a comprehensive design and manufacturing service throughout New Zealand and in Australia, specialising in sheetmetal products and components.

WELLINGTON
Tel:+64 4 387 7009
Fax:+64 4 387 9114
saleswgtn@tilleygroup.co.nz

1-7 Jean Batten Street
Rongotai
Wellington 6022
P.O. Box 14-122
Kilbirnie
Wellington 6241
New Zealand

AUCKLAND
Tel:+64 9 527 7385

​salesakld@tilleygroup.co.nz

36 Aranui Road
Mt Wellington
Auckland 1060
New Zealand

CHRISTCHURCH
Tel:+64 3 331 6565

saleschch@tilleygroup.co.nz

Level 1/306 Port Hills Road,
Hillsborough,
Christchurch 8022
New Zealand