foot plate
According to installation, foot plate has welding and screw fixing . It directly welds to the keel, no need to add side plate, more economy and durable, but not easy to dismantling. Screw fixing need add thick side plates , drill holes on the side plates, fix with screw and can be repeated in the use of recycling. Customers can customize according to their practical needs.
but from the economic point of view, we propose to maximize the use of our recommended size.
We can provide different anti-slip stair step, its size can be changeable for arbitrary demand.
We can provide different anti-slip stair step, its size can be changeable for arbitrary demand.
|
stair structure
|
series
|
Width (including pedal front edge )
|
||||||
|
T1
T2 T3 T4 |
1
|
125
|
155
|
185
|
215
|
245
|
275
|
305
|
|
T1
T2 |
2
|
125
|
165
|
—
|
205
|
245
|
285
|
325
|
|
T3
T4 |
2
|
115
|
155
|
—
|
195
|
235
|
275
|
315
|
|
T1
T2 |
3
|
—
|
—
|
185
|
—
|
245
|
—
|
305
|
|
T3
T4 |
4
|
—
|
155
|
—
|
215
|
—
|
275
|
—
|
stair tread recommended length
|
max length
|
||||
|
flat steel sectional dimension
|
25×3
|
25×5
|
32×5
|
40×5
|
|
series 1
|
550
|
900
|
1300
|
1600
|
|
series 2
|
450
|
750
|
1200
|
1500
|
|
series 3
|
—
|
550
|
850
|
1350
|
(T2 andT4) bolt connection
|
“A”
（bolt pitch） |
45
|
75
|
75
|
100
|
100
|
150
|
150
|
Protection plate size is 65X5mm, can be produce according to special specification .
stair tread welding standard
Two side plates wrapping and each bearing bar adopt single side welding , welding line is not less than 3mm fillet welding.
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[Date：10-08-28]
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