{"id":17013,"date":"2026-04-28T15:14:35","date_gmt":"2026-04-28T14:14:35","guid":{"rendered":"https:\/\/www.fhbrundle.co.uk\/lp\/?post_type=avada_faq&#038;p=17013"},"modified":"2026-04-28T15:15:10","modified_gmt":"2026-04-28T14:15:10","slug":"what-tube-sizes-do-tube-clamp-fittings-come-in","status":"publish","type":"avada_faq","link":"https:\/\/www.fhbrundle.co.uk\/lp\/blog\/faq-items\/what-tube-sizes-do-tube-clamp-fittings-come-in\/","title":{"rendered":"What tube sizes do tube clamp fittings come in?"},"content":{"rendered":"<p>F.H.Brundle stocks tube clamp fittings to suit five standard outside diameters: <strong>A-tube<\/strong> <strong>26.9mm OD<\/strong> (\u00be&#8221; nominal bore), <strong>B-tube<\/strong> <strong>33.7mm OD<\/strong> (1&#8243; NB),<strong> C-tube 42.4mm OD<\/strong> (1\u00bd&#8221; NB), <strong>D-tube<\/strong> <strong>48.3mm OD<\/strong> (1\u00be&#8221; NB) and <strong>E-tube<\/strong> <strong>60.3mm OD<\/strong> (21\u20443&#8243; NB). The most widely used size for handrails is C-tube 42.4mm OD, as it satisfies the DDA and Part M smooth-continuous-handrail requirement. Reducing fittings are available to combine different tube diameters within a single structure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>F.H.Brundle stocks tube clamp fittings to suit five standard outside [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"faq_category":[185],"class_list":["post-17013","avada_faq","type-avada_faq","status-publish","format-standard","hentry","faq_category-tube-clamp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What tube sizes do tube clamp fittings come in? - F.H.Brundle<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fhbrundle.co.uk\/lp\/blog\/faq-items\/what-tube-sizes-do-tube-clamp-fittings-come-in\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What tube sizes do tube clamp fittings come in? 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