Bolted treads made of interpenetrated gratings with bearing bars, round cross bars, mesh 11x76mm, special side plates 70/3mm and anti-skid profile. The treads are bolted on the metal carriers of the stair with galvanized bolts M12x30
TECHNICAL SPECIFICATION
Steel S235JR according to ΕΝ 10025
Hot-dip galvanized acc. to ISO 1461 for protection against corrosion
DIN 24531
TREADS MADE OF FORGE-WELDED GRATINGS WITH TWISTED OR ROUND CROSS BARS
