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Stair Tread Board
Stair Treads are made based on various of grating and with any dimensions which suit the desired stairway
Key words：
Steel Gratings
Category：
Product Details
Stair Treads are made based on various of grating and with any dimensions which suit the desired stairway,designed and manufactured to be strong and nonslip,lower budget cost whilst ensuring consideration on safety.
Type Mark：
Stair Treads are made based on various of grating and with any dimensions which suit the desired stairway,designed and manufactured to be strong and nonslip,lower budget cost whilst ensuring consideration on safety.
Recommended width of stair treads
|
T1 T2 T3 T4 |
95 |
125 |
155 |
185 |
215 |
245 |
275 |
|
Bearing bar pitch at 30mm |
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|
T1 T2 T3 T4 |
|
125 |
165 |
|
205 |
245 |
285 |
|
Bearing bar pitch at 30mm |
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|
T1 T2 T3 T4 |
|
115 |
155 |
|
195 |
235 |
275 |
|
Bearing bar pitch at 30mm |
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|
Spiral hole pitch A(mm) |
45 |
75 |
100 |
150 |
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Minimum length of stair treads
|
Bearing bar size |
25×3 |
25×5 |
32×5 |
|
Steel grating's specification |
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|
Bearing bar pitch at 30mm |
550 |
900 |
1300 |
|
Bearing bar pitch at 40mm |
450 |
750 |
1200 |
Stair Treads Tolerances
