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This mild steel perforated metal sheet features 4.5mm round holes on a 15mm even pitch, manufactured from 1.5mm thick flat steel. The straight-line hole pattern provides a clean, uniform appearance and consistent performance, making it ideal for screening, ventilation, guarding, and general industrial applications where strength and durability are required.
This steel plate promises consistency and longevity for various industrial or decorative uses.
Mild steel perforated metal sheet is produced by precision punching flat steel sheet with a defined hole pattern. This manufacturing process is driven by customer requirements, whether for functional performance, airflow, weight reduction, or visual appearance.
This perforated plate is manufactured from mild steel and features a round hole staggered pitch design, offering an excellent balance between open area and structural strength. The staggered layout ensures the holes are evenly distributed while being offset in successive rows, helping to maintain rigidity across the sheet while still allowing efficient airflow or material passage.
Specified as R4.5 T15, each perforation has a uniform 4.5mm diameter round hole, with a 15mm pitch. The pitch refers to the distance from the centre of one hole to the centre of the next and includes both the hole size and the metal between perforations. This wider pitch results in a lower open area compared to finer perforations, making it particularly suitable for applications where strength and durability are prioritised over maximum airflow.
Manufactured from a 1.5mm thick flat sheet of mild steel, this perforated metal sheet is robust, durable, and versatile. It is commonly used in industrial settings, architectural projects, guards and screens, ventilation panels, and protective applications where impact resistance and longevity are required.
We also offer 3mm perforated plate in galvanised steel, stainless steel and aluminium.
The specifications of this mild steel perforated metal sheeting are as follows:
Our group have been in the mesh industry for over 150 years. We are one of the UK’s most trusted metallic mesh suppliers because:
We also offer a massive range of stainless steel perforated metal sheet options from immediate stock. In order to produce stainless steel perforated metal sheet, flat sheet metal is punched with round or square holes. Perforated sheets are commonly often used in applications where the passing of air is required. Because the holes are punched, it is possible to have a far stronger finished metal product than it would be for the equivalent thickness in woven or welded mesh.
The round hole even pitch design features holes aligned in straight rows and columns, creating a uniform and predictable perforation pattern. This layout is particularly beneficial where accuracy, symmetry, and consistency are important.
An even pitch makes the sheet easier to measure, cut, and align during fabrication, which is especially useful for panels, screens, and architectural applications. It also provides a clean, structured appearance, making it a popular choice for visible installations where aesthetics matter as much as performance.
From a functional perspective, the even spacing allows controlled airflow, drainage, or material passage while maintaining good overall sheet strength, especially when combined with a thicker mild steel base.
The R4.5 T15 specification describes the size and spacing of the perforations:
R indicates that the holes are round
4.5 refers to the hole diameter in millimetres
T stands for pitch
15 is the centre-to-centre distance between each hole, measured in millimetres
In simple terms, this sheet features 4.5mm round holes spaced evenly at 15mm centres. This specification helps define the sheet’s open area, strength, and suitability for applications such as guarding, ventilation, and screening.
For cutting 1.5mm thick mild steel perforated plate, the following tools are commonly recommended:
Angle grinder with a metal cutting disc – ideal for straight cuts or trimming to size
Jigsaw fitted with a metal cutting blade – suitable for curved or detailed cuts
Electric or pneumatic metal shears – efficient for clean, straight cuts on larger sheets
Band saw with a metal cutting blade – ideal for repeatable and accurate workshop cutting
Plasma cutter – suitable for precise, clean cuts in professional fabrication environments
Always ensure appropriate PPE is worn, including gloves, eye protection, and hearing protection where necessary.
Yes, this perforated plate is suitable for screening and light filtration applications, particularly where strength and durability are key requirements. The 4.5mm round holes allow air, liquids, or larger particles to pass through while restricting oversized debris.
Although the open area is lower than finer perforation patterns, the even pitch and 1.5mm thickness provide excellent rigidity and longevity, making this sheet well suited to demanding industrial and commercial environments.
Check out our blog ‘everything that you need to know about mild steel perforated sheet’ for more information on that large range of materials.
Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers.
Also, we have an ever expanding YouTube channel. We created this channel to help showcase our products, inform our customers on the wire mesh market, and use our position as a trusted authority in our industry to help all to understand exactly what metal mesh can offer.
Contact our team today if you have any questions at all. We are always really keen to help in any way that we can.
We also offer similar products through our highly popular eBay store, check us out there too.
| Sheet Size | 250mm x 500mm, 500mm x 500mm, 500mm x 1000mm |
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In 2008 Locker Wire Weavers launched The Mesh Company to bring our enormous range of wire mesh products to the general public for the first time. Previously wire mesh was only available for trade customers.
We continue to extend our range, and now proudly offer many forms of mesh and metal products for the best possible prices. We specialise in woven wire mesh. As a group we work closely with architects and designers to develop ground-breaking new applications for our multifunctional range of materials. We also offer state of the art fabrication and engineering for projects of all sizes.
Strong ties with the Warrington community continue to be at the very core of our business. We are proud to invest in the training and developing our staff of all levels in line with the traditions set by Thomas Locker, who founded our group 150 years ago when he invented the electronic loom. We continue to bring ingenuity and strong ethics to our day to day business.
The Mesh Company continues Warrington’s historic role in the wire industry. For more than 140 years, our group has been a leader in the supply and manufacture of woven wire mesh and wire cloth. Having been founded in Warrington, UK in 1878, Locker mesh products still retain the quality craftsmanship and spirit of innovation that were so characteristic then.
Available Options
You will find full rolls of this insect netting here. Please be advised that the majority of woven mesh is usually available in a maximum roll size of 30 metres by 1200mm. Please email us if you wish to discuss purchasing this mesh in any size – sales@themeshcompany.com.
Feel free to call us if you wish to discuss any of our products – (+ 44) 01925 406 602. We are always happy to help in any way that we are able to.
We also offer this product through our highly popular eBay store, check us out there too.
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