Hot Dipped Galvanized Steek Stair Treads Customized Size 30mm Pitch
Hype of grille stair tread:
Stair tread is made of steel grating& widely used for different
types ofsteel ladders,feature easy installation,strong
structure&aeatheic appearance&good water permeability.We
can fabricate according customer'size.
1. By welding: do not require side plate, economical and durable.
- By bolting: require side plate to assemble the bolt, dismountable
1. Anti-slip treads: use serrated bearing bars to increase slip
2. Stair treads: assembled by anti-slip strip and side plate.
3. Light duty type: suitable for using in normal loads.
4. Heavy duty type: suitable for using in heavy loads like docks
Recommended stair tread widths
Bearing bars at 30mm pitch
|Fixing hole centers||45||75||100||150|
Note: based on 5mm bearing bars
Max.stair tread lengths
|Bearing bar section||25*3||25*5||32*5|
|Bearing bar pitch:30mm||550mm||900mm||1300mm|
|Bearing bar pitch:40mm||450mm||750mm||1200mm|