... paint and process according to client's requirement Paint steel ladder is made by stairtread and we can paint and process ... , stair tread, fence,clips, chench cover, handrail stanchion, walkway, steel ladder and so on. These products are widely used on mine ... .5, 35, 40mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1 ... /4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.3. Cross bar pitch ...