Varieties: Stair footboard has four types according to having front-armour plate and girder connection or not, which are T1,T2,T3,T4.
T1:welding fixed, no front armour plate
T2:screw fixed, no front armour plate
T1:welding fixed, no front armour plate
T2:screw fixed, no front armour plate
T3:Welding fixed, has retreader and front armour
T4:screw fixed, has retreader and front armour
Specification: Considering from the economy, suggests to use 100mm multiple modulus width (for example 500, 600, 700, 800, 900, 1,000, 1200mm and so on).(series 1 uses 125,155, 185, 215, 245, 275, series 2 uses 125, 165, 205, 245, 275mm and so on).
Footboard tolerance: width: W±3mm,length: L-3mm
Specification: Considering from the economy, suggests to use 100mm multiple modulus width (for example 500, 600, 700, 800, 900, 1,000, 1200mm and so on).(series 1 uses 125,155, 185, 215, 245, 275, series 2 uses 125, 165, 205, 245, 275mm and so on).
Footboard tolerance: width: W±3mm,length: L-3mm
T1\T2\T3\T4Flat steel center spacing30mm | 125 | 155 | 215 | 245 | 275 | ||
Flat steel center spacing40mm | T1 T2 | 125 | 165 | 205 | 245 | 285 | |
T3 T4 | 115 | 155 | 195 | 235 | 275 | ||
Screw hole spacing A(mm) | 100 | 150 | |||||
Other specification can be made according to the customers' requirements.
Side plate uses 65×5mm flat steel
·φ14 screw hole and O14 ellipse screw hole.
·Uses edge rounding only when the customer needs.
