Treads for stairs made from expanded grating products.

End View of Stair Tread

The stair treads are cut from our expanded metal stock, and our qualified McNICHOLS® service specialists weld the expanded metal to a stair tread frame. The diagram to the right shows the end view of a stair tread and its dimensions.

Expanded Grating Stair Treads - End View

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End View Stair Tread

The table below provides details for expanded metal stair treads. The dimension “A” is illustrated in the end view of the stair tread show above.

Unitread
Style	Width	“A”	Total Pounds	Height	1/4 Inch Deflection Safe Load
#4	8–1/2 x 24	4–1/2	10.7	2	1000 pounds
#4	8–1/2 x 30	4–1/2	12.9	2	925 pounds
#5	9–3/4 x 30	7	16.2	2–1/8	950 pounds

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Material Selection

· Galvanized

· Painted Red Oxide

· Plain Steel

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Length


Length is the total distance across the stair tread parallel to the LWD.

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Quantity

Quantity is the number of stair treads you need. McNICHOLS will quote you on the exact quantity you specify and inform you if minimum quantities apply.

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Tolerances

Unless otherwise specified, the standard tolerance for stair tread width is +/- 1/8 inch.

More information on tolerances.

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McNICHOLS® Quality Stair Treads - Expanded Grating Products