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| Gnee Steel (tianjin) Co., Ltd |
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Bar grating stair treads from HUXING WIRE MESH are ideal for many
different applications. They are available in carbon steel,
aluminum or stainless steel materials. Stair treads grating are
available with plain or serrated surfaces. Our serrated stair
treads are designed specifically to offer protection against slips
in oil areas or other hazardous elements. Slip resistant stair
treads are an ideal choice for industrial facilities or outdoor
sites where slippery conditions may exist.
Bar grating stair treads are fabricated from bar grating panels.
End plates with bolt holes can be welded to the ends of the stair
treads. Checker plate nosing is welded to the leading edge of the
bar grating stair tread. This nosing provides increased slip
resistance. HUXING WIRE MESH offers nosing types in checker plate
or aluminum grooved nosing.

Our company produces steel ladders with guardrail, which are made
of grating treads.
When specifying the steel ladders, pls refer to the national
standard construction drawing
87J432. According to whether the nosings are to be used and the
methods of mounting
to stringers, stair treads are classified into four types: T1, T2,
T3, T4. We suggest that the
dimensions are as follow:
| Item | Recommended maximum stair treads length (mm) | ||
| Bearing bar dimension mm | 25*3 | 25*5 | 32*5 |
| Bearing bar's pitch at 30 mm | 550 | 900 | 1300 |
| Bearing bar's pitch at 40 mm | 450 | 750 | 1200 |
| Item | Recommended stair treads width (mm) | ||||||
| T1/T2/T3/T4 Bearing bar pitch at 30mm | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
| T1/T2 Bearing bar pitch at 40mm T3/T4 | 125 | 165 | 205 | 245 | 285 | ||
| 115 | 155 | 195 | 235 | 275 | |||
| Fixing hole center(mm) | 45 | 75 | 100 | 150 | |||

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