{"product_id":"stainless-steel-wall-flanges","title":"Stainless Steel Wall Flanges - 316 Marine Grade","description":"\u003cp\u003eStainless steel wall flanges and wall plates for fixing handrail tube to walls. Available in \u003cstrong\u003e316 marine grade\u003c\/strong\u003e (satin and mirror) for external use. External fit flanges slide over the tube and screw to the wall; weld-on bases are welded to the tube end first then bolted to wall. Specialist wall\/floor flanges for slotted glass-balustrade tube also available.\u003c\/p\u003e\u003cp\u003eCoverage in this range: \u003cstrong\u003e316 Satin\u003c\/strong\u003e (7 variants), \u003cstrong\u003e316 Mirror\u003c\/strong\u003e (5 variants). All products supplied by Brundle - the UK's leading Pro-Railing supplier - and dispatched from UK stock.\u003c\/p\u003e\u003ch2\u003eWhat These Components Are\u003c\/h2\u003e\u003cp\u003eWall flanges fix handrail tube to brick, masonry or steel walls - the standard way to terminate a wall-mounted handrail or short balustrade run. The weld-on round base style with O-ring and cover gives the cleanest finish for new-build work. External fit flanges suit retrofit work where the tube is already in place. Wall baluster brackets carry vertical balusters off a horizontal wall surface.\u003c\/p\u003e\u003ch2\u003eFinishes Explained\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e316 Mirror\u003c\/strong\u003e - the premium architectural finish. Marine-grade 316 stainless polished to a high reflective mirror finish. The choice for showcase residential, hotels, retail and feature installs where appearance matters as much as durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e316 Satin\u003c\/strong\u003e - the trade standard for external and marine work. Marine-grade 316 stainless with a brushed satin finish - hides fingerprints, water spots and minor scratches. The default choice for balconies, terraces, swimming pools, coastal homes and commercial work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e304 Satin\u003c\/strong\u003e - the indoor\/dry-environment option. Standard 304 grade stainless in satin finish - lower cost than 316, perfectly suited to interior staircases, dry-environment installs and budget-focused projects. Not recommended for outdoor or coastal use.\u003c\/p\u003e\u003ch2\u003eSpecification \u0026amp; Standards\u003c\/h2\u003e\u003cp\u003eAll stainless steel components are manufactured to BS EN 10088 stainless steel standards. 316 grade contains 16-18% chromium, 10-14% nickel and 2-3% molybdenum (the molybdenum is what gives 316 its marine-grade chloride resistance). 304 grade contains 18-20% chromium and 8-10.5% nickel. Tube and section dimensions to standard UK railing dimensions (42.4mm or 48.3mm OD round tube, 40×40mm square, 40×30mm or 60×30mm channel for glass-top systems).\u003c\/p\u003e\u003ch2\u003eSample Sizes \u0026amp; Pricing\u003c\/h2\u003e\u003cp\u003eAll prices include VAT. See full variant list below.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003cth\u003eSize \/ Specification\u003c\/th\u003e\n\u003cth\u003ePrice (inc VAT)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Mirror\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ external fit round\u003c\/td\u003e\n\u003ctd\u003e£8.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Mirror\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ wall\/floor flange (split tube)\u003c\/td\u003e\n\u003ctd\u003e£10.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Mirror\u003c\/td\u003e\n\u003ctd\u003e48.3mm tube \/ wall\/floor flange (split tube)\u003c\/td\u003e\n\u003ctd\u003e£11.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Mirror\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ weld-on round base w\/ O-ring\u003c\/td\u003e\n\u003ctd\u003e£13.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Mirror\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ wall baluster bracket round back\u003c\/td\u003e\n\u003ctd\u003e£50.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ external fit round\u003c\/td\u003e\n\u003ctd\u003e£8.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e48.3mm tube \/ external fit round\u003c\/td\u003e\n\u003ctd\u003e£8.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ weld-on round base plate\u003c\/td\u003e\n\u003ctd\u003e£9.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e48.3mm tube \/ weld-on round base plate\u003c\/td\u003e\n\u003ctd\u003e£9.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ square edge external fit\u003c\/td\u003e\n\u003ctd\u003e£11.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e48.3mm tube \/ weld-on round base + O-ring + cover\u003c\/td\u003e\n\u003ctd\u003e£14.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e316 Satin\u003c\/td\u003e\n\u003ctd\u003e42.4mm tube \/ weld-on round base + O-ring + cover\u003c\/td\u003e\n\u003ctd\u003e£14.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eAll components in this range are part of the Brundle Pro-Railing system - the UK's most widely-specified stainless steel balustrade system. Components are fully compatible with each other across finishes and component types - you can mix mirror posts with satin clamps if you want a feature contrast, or specify a single finish throughout. Glass clamps, joiners, brackets and end caps are sized to 42.4mm or 48.3mm round tube - check your tube diameter before ordering fittings.\u003c\/p\u003e\u003ch2\u003eBulk \u0026amp; Trade Orders\u003c\/h2\u003e\u003cp\u003eFor trade orders, full balustrade specifications or multi-component fit-outs (balconies, staircases, swimming pool surrounds), contact us for a project quote - trade pricing is available on volume orders. We can supply matched component schedules cross-checked against your drawings.\u003c\/p\u003e\u003ch2\u003eDelivery Information\u003c\/h2\u003e\u003cp\u003eLead times are 3-5 working days to mainland UK addresses. Items dispatched by courier or pallet depending on quantity. Shipping is £15 flat rate or free over £200 ex VAT.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat's the difference between weld-on and external fit flanges?\u003c\/strong\u003e\u003cbr\u003eWeld-on flanges have a solid base disc with the tube welded into the centre - very strong, clean appearance, but the tube must be cut to length first and welded in workshop conditions. External fit flanges have a separate base plate that slides over the tube and locks with grub screws - retrofittable, no welding needed, easier for site installs but the join is more visible. Use weld-on for new-build\/clean finishes, external fit for retrofit and quick installs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these flanges suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003e316 marine grade flanges (satin or mirror) are fully suitable for outdoor and coastal use - they're designed for marine environments and won't corrode in salt air, rain or pool environments. 304 grade flanges are only suitable for interior dry use - they'll eventually pit and stain in outdoor conditions, even inland. For any exterior wall-mounted handrail (balconies, garden steps, external stairs) always specify 316.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the difference between 316 and 304 stainless steel?\u003c\/strong\u003e\u003cbr\u003e316 stainless contains molybdenum which gives it superior corrosion resistance against chlorides (salt, swimming pool water, marine air, de-icing salts). 304 stainless is the standard interior-grade - cheaper, perfectly fine for dry indoor use, but will eventually pit and stain in coastal or pool environments. For external use, marine applications, swimming pools, balconies and any salt-exposed location - always specify 316. For indoor stairs, dry environments and budget projects, 304 is the right choice.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSatin or mirror finish - what's the difference?\u003c\/strong\u003e\u003cbr\u003eBoth 316 satin and 316 mirror are the same grade of marine stainless steel - the difference is the surface finish only. Satin is a brushed\/lined finish that hides fingerprints, scratches and water spotting - it's the standard architectural choice. Mirror is a high-polish reflective finish - more decorative, premium-looking, but shows every fingerprint, water mark and scratch. Pick mirror for showcase installs (luxury homes, hotels, retail), satin for everyday commercial and residential use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the delivery lead time?\u003c\/strong\u003e\u003cbr\u003eLead times are 3-5 working days for stainless steel handrail components to mainland UK addresses. Items are dispatched by courier or pallet depending on quantity. Shipping is £15 flat rate or free over £200 ex VAT.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What's the difference between weld-on and external fit flanges?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Weld-on flanges have a solid base disc with the tube welded into the centre - very strong, clean appearance, but the tube must be cut to length first and welded in workshop conditions. External fit flanges have a separate base plate that slides over the tube and locks with grub screws - retrofittable, no welding needed, easier for site installs but the join is more visible. Use weld-on for new-build\/clean finishes, external fit for retrofit and quick installs.\"}}, {\"@type\": \"Question\", \"name\": \"Are these flanges suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"316 marine grade flanges (satin or mirror) are fully suitable for outdoor and coastal use - they're designed for marine environments and won't corrode in salt air, rain or pool environments. 304 grade flanges are only suitable for interior dry use - they'll eventually pit and stain in outdoor conditions, even inland. For any exterior wall-mounted handrail (balconies, garden steps, external stairs) always specify 316.\"}}, {\"@type\": \"Question\", \"name\": \"What's the difference between 316 and 304 stainless steel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"316 stainless contains molybdenum which gives it superior corrosion resistance against chlorides (salt, swimming pool water, marine air, de-icing salts). 304 stainless is the standard interior-grade - cheaper, perfectly fine for dry indoor use, but will eventually pit and stain in coastal or pool environments. For external use, marine applications, swimming pools, balconies and any salt-exposed location - always specify 316. 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