{"product_id":"perforated-mild-steel-sheet","title":"Perforated Mild Steel Sheet","description":"\u003cp\u003ePerforated mild steel sheet from Rackerman, available in \u003cstrong\u003e30 hole patterns\u003c\/strong\u003e from R0.8\/T1.5 to R20\/T27, in thicknesses of 0.5mm, 1mm, 1.5mm, 2mm, 3mm, 5mm and sheet sizes of 2 x 1m and 2.5 x 1.25m. Manufactured from S235\/S275 grade mild steel with a mill finish, it is the most versatile and cost-effective perforated metal for fabrication, guarding and architectural work. Select your exact hole pattern, sheet size and thickness from the options above – every combination is a stocked specification supplied across the UK.\u003c\/p\u003e\n\u003ch2\u003eWhy choose perforated mild steel sheet\u003c\/h2\u003e\n\u003cp\u003ePerforated mild steel combines strength with open area for airflow, light, drainage and visual effect. It is widely used for ventilation grilles, machine and plant guards, screens and sieves, balustrade and balcony infill panels, acoustic screening, vehicle and trailer panels, agricultural screens, sign blanks and decorative facade cladding. Smaller holes (such as R0.8\/T1.5) give a finer, more solid appearance with higher strength; larger holes (such as R20\/T27) give a greater open area for maximum airflow and through-vision.\u003c\/p\u003e\n\u003ch2\u003eHole patterns available\u003c\/h2\u003e\n\u003cp\u003eAll patterns are round-hole on a staggered 60° triangular layout, the UK industry standard. The pattern code reads as R (hole diameter) \/ T (pitch, centre-to-centre spacing).\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePattern\u003c\/th\u003e\n\u003cth\u003eHole\u003c\/th\u003e\n\u003cth\u003ePitch\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR0.8\/T1.5\u003c\/td\u003e\n\u003ctd\u003e0.8mm round\u003c\/td\u003e\n\u003ctd\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR1\/T2\u003c\/td\u003e\n\u003ctd\u003e1mm round\u003c\/td\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR1.2\/T2.25\u003c\/td\u003e\n\u003ctd\u003e1.2mm round\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR1.5\/T2.75\u003c\/td\u003e\n\u003ctd\u003e1.5mm round\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR2\/T3\u003c\/td\u003e\n\u003ctd\u003e2mm round\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR2\/T3.5\u003c\/td\u003e\n\u003ctd\u003e2mm round\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR2\/T4\u003c\/td\u003e\n\u003ctd\u003e2mm round\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR2.5\/T3.5\u003c\/td\u003e\n\u003ctd\u003e2.5mm round\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR3\/T4\u003c\/td\u003e\n\u003ctd\u003e3mm round\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR3\/T5\u003c\/td\u003e\n\u003ctd\u003e3mm round\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR4\/T5\u003c\/td\u003e\n\u003ctd\u003e4mm round\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR4\/T6\u003c\/td\u003e\n\u003ctd\u003e4mm round\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR4\/T7\u003c\/td\u003e\n\u003ctd\u003e4mm round\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR5\/T6\u003c\/td\u003e\n\u003ctd\u003e5mm round\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR5\/T7\u003c\/td\u003e\n\u003ctd\u003e5mm round\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR5\/T8\u003c\/td\u003e\n\u003ctd\u003e5mm round\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR6\/T8\u003c\/td\u003e\n\u003ctd\u003e6mm round\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR6\/T8.5\u003c\/td\u003e\n\u003ctd\u003e6mm round\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR6\/T9\u003c\/td\u003e\n\u003ctd\u003e6mm round\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR6\/T10\u003c\/td\u003e\n\u003ctd\u003e6mm round\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR6\/T12\u003c\/td\u003e\n\u003ctd\u003e6mm round\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR8\/T11\u003c\/td\u003e\n\u003ctd\u003e8mm round\u003c\/td\u003e\n\u003ctd\u003e11mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR8\/T12\u003c\/td\u003e\n\u003ctd\u003e8mm round\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR10\/T13\u003c\/td\u003e\n\u003ctd\u003e10mm round\u003c\/td\u003e\n\u003ctd\u003e13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR10\/T15\u003c\/td\u003e\n\u003ctd\u003e10mm round\u003c\/td\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR10\/T18\u003c\/td\u003e\n\u003ctd\u003e10mm round\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR12\/T13\u003c\/td\u003e\n\u003ctd\u003e12mm round\u003c\/td\u003e\n\u003ctd\u003e13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR12\/T17\u003c\/td\u003e\n\u003ctd\u003e12mm round\u003c\/td\u003e\n\u003ctd\u003e17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR15\/T21\u003c\/td\u003e\n\u003ctd\u003e15mm round\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR20\/T27\u003c\/td\u003e\n\u003ctd\u003e20mm round\u003c\/td\u003e\n\u003ctd\u003e27mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSizes, thickness \u0026amp; specification\u003c\/h2\u003e\n\u003cp\u003eSheet sizes: 2 x 1m and 2.5 x 1.25m. Thicknesses: 0.5mm, 1mm, 1.5mm, 2mm, 3mm, 5mm. Heavier gauges give greater rigidity and load-bearing capacity; lighter gauges are easier to cut, form and handle for decorative screens. Material is supplied to BS EN ISO 9001 production tolerances. These are stock-size sheets – for bespoke cut-to-size pieces or trade quantities (5+ sheets) contact us for a project quote.\u003c\/p\u003e\n\u003ch2\u003eDelivery \u0026amp; offloading\u003c\/h2\u003e\n\u003cp\u003eLead times are currently 3–5 working days. Perforated sheets are heavy, bulky items and are delivered on a pallet to mainland UK addresses. Please ensure suitable site access and someone available to assist with offloading. Free UK delivery is included.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a code like R5\/T8 mean on a perforated sheet?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The R is the round hole diameter in millimetres and the T is the pitch (centre-to-centre spacing) on a staggered 60-degree pattern. R5\/T8 means 5mm round holes spaced 8mm apart. This is the standard UK perforated sheet convention.\"}}, {\"@type\": \"Question\", \"name\": \"What is perforated mild steel used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Perforated mild steel sheet is used for ventilation grilles, machine guards, screens, sieves, balustrade infill, acoustic panels, vehicle and trailer panels, agricultural screens, sign blanks and decorative cladding.\"}}, {\"@type\": \"Question\", \"name\": \"What's the delivery lead time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Lead times are currently 3 to 5 working days, delivered on a pallet to mainland UK addresses. 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