anti-slide 750*275mm hot dip galvanized steel stair tread for step ladder

anti-slide steel stair tread is one application of steel grating, there is checker plate in front of the stair tread.The checker plate can keep people from slipping.Our company produces steel ladders with guardrail, which are made of grating treads. When specifying the steel ladders, pls refer to the national standard construction drawing 87J432. According to whether the nosings are to be used and the methods of mounting to stringers, stair treads are classified into four types: T1, T2, T3, T4.Anti-slide means the surface of loading bar is toothed.