# Bar Grating Stair Tread, Black Painted Steel Smooth Surface, 36 in W, 10 15/16 in D, Checker Plate

A1011 Carbon Steel Bar Stair Tread, Material Carbon Steel, Material Grade A1011, Bearing Bar Spacing 1 3/16 in, Bearing Bar Height 1 1/4 in, Bearing Bar Thickness 3/16 in, Nosing Surface Diamond Plate, Top Surface Smooth, Tread Depth 10 15/16 in, Tread Width 36 in, End Plate Height 2 1/2 in, Number of Bearing Bars 9, Mounting Hole Spacing 7 in, Weight 25 lb, Shape Bar Stair Tread, Load Capacity 400 lb, For Use On Metal Stairs, For Use Indoors/Outdoors Yes, Standards ISO 9001:2015

graingerSKU: 49N523, mscSKU: , zoro\_no: G6744412, mongo\_id: 65bbe65b3aaddbd5a9023dc6

## Details

- **Price:** 137.24 USD
- **Vendor:** Zoro Select
- **Type:** Carbon Steel Treads
- **Tags:** DESCRIPTION_UPDATE

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 137.24 USD | In stock |

## Images

- Z1xCtulcpEx_.JPG
- Z1xCtulcpEx-.JPG

---

> Source: [The Tools Man](https://www.thetoolsman.com/products/zoro-select-bar-grating-stair-tread-black-painted-steel-smooth-surface-36-in-w-10-1516-in-d-checker-plate-20188s125-trd2)
> Updated: 2026-09-03