Stairs are made on the basis of pressed and welded gratings. Ladders of these steps have found widespread use in industry.
L | 600 | 800 | 1000 | 1200 | ||||||||||||||||
B | 240 | 260 | 270 | 295 | 305 | 240 | 260 | 270 | 295 | 305 | 240 | 260 | 270 | 295 | 305 | 240 | 260 | 270 | 295 | 305 |
h | Bearing bars dimensions | |||||||||||||||||||
n | 120 | 150 | 150 | 180 | 180 | 120 | 150 | 150 | 180 | 180 | 120 | 150 | 150 | 180 | 180 | 120 | 150 | 150 | 180 | 180 |
L - stair length, B - stair width, h- bearing bar height, n - distance between mounting holes
For fixing stairs, the following fasteners are used: