China Anti Corrosion Hot DIP Galvanized Low Cartbon Steel Grating Step Made of Bar Flat, Find details about China Stairs, Stairs Step from Anti Corrosion Hot DIP Galvanized Low Cartbon Steel Grating Step Made of Bar Flat
T1,T2,T3,T4 Bearing bar pitch 30mm | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
T1,T2 Bearing bar pitch 40mm | 125 | 165 | 205 | 245 | 285 | ||
T3,T4 Bearing bar pitch 40mm | 115 | 155 | 195 | 235 | 275 | ||
Screw hole pitch(mm) | 45 | 75 | 100 | 150 |
Steel flat size Steel grating standards | 25×3 | 25×5 | 32×5 |
Bearing bar pitch 30 mm | 550 | 900 | 1300 |
Bearing bar pitch 40 mm | 450 | 750 | 1200 |