China Cheaper and High Strength Steel Grating Staircase, Find details about China Stairs, Stairs Step from Cheaper and High Strength Steel Grating Staircase
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 |