1) According to installation method,there are two types:
* welding connection: the tread plate can be directly welded to the ladder beam,it is economical and durable but not easy to disassemble.
*Bolt connection: the tread plate require thickened side plate on two sides with drilled holes. The installation is fixed directly by bolts which makes it recycled and reused.
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Welding connection stair treads | Bolt connection stair treads |
2) According to the surface of the stair treads, there are two types:
*plain stair treads :widely used stair treads.
*serrated stair treads:have good property of non-slip and safety
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Plain surface stair treads | Serrated surface of stair treads |
3) According to the nosing, there are four types:
no nosing stair treads, checker plate stair treads, vertical stripped plate stair treads and perforated nosing stair treads. Different types of nosing can improve the slip resistance of the stair treads.
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No nosing metal stair treads | Checker plate stair treads |
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Perforated nosing metal stair treads | vertical stripped plate metal stair treads |
4) Other types of steel stair treads
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Durbar Stair Tread | Anti skid perforated steel grate |