Box Section — Square & Rectangular Hollow (SHS / RHS)

Box section — square hollow section (SHS) and rectangular hollow section (RHS) — is the go-to steel for fabrication: strong, clean-looking and easy to weld. Leinster Steel keeps a wide range in stock and cuts it to length the same day, with mill certs.

Sizes we hold in stock

Popular sizes we hold include:

• SHS 20x20, 25x25, 40x40, 50x50, 60x60, 80x80, 100x100 mm
• RHS 40x20, 50x25, 50x30, 60x40, 80x40, 100x50, 120x60 mm
• A range of wall thicknesses to suit light and structural work
• Larger structural SHS/RHS available to order

What it's used for

• Gates, railings and fencing frames
• Trailer and machinery frames
• Shed, canopy and lean-to frames
• Mezzanine posts, brackets and general fabrication

Cut to length, mill certs, delivery

Every order is cut to your exact lengths free of charge, the same day on stock items, and comes with mill test certificates (S275 / S355) so your steel is fully traceable. Choose plain black or sandblasted & primed. Collect from our yard in Lusk, Co. Dublin, or we deliver across Leinster and Dublin on our own trucks. Priced by weight — get your exact number on the calculator.