Diamond Floor Plates

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Diamond Floor Plates

Also known as steel tread plates or steel diamond plates, steel floor plates have a diamond lug pattern designed for skid resistance. This makes them ideal for trailer decking and truck beds, as well as running boards, walkways, stair treads, and ramps. They can also add adequate protection to warehouse doors and hallways from heavy machinery and carts.

We stock ASTM A786 steel floor plates in a variety of standard sizes ranging from 12 gauge through 1” that can be cut to your desired specifications. Service Steel Warehouse stocks ready-to-ship steel floor plates in standard sizes and also offers comprehensive finishing services, including cutting to size.

Steel Tread Plate Sizes

Thickness (in)Weight (lb/ft²)

Steel Diamond Plate FAQs

Steel floor plate, diamond plate, and tread plate are all interchangeable terms. These slip-resistant steel plates showcase a cross hatch design and are useful in a variety of applications including door kicks and wall protection. Additionally, some construction companies may choose to use these structural steel shapes for decorative finishing purposes.

The grade of steel used for steel diamond plates is designation A786 steel. A786 steel is a commercial-grade steel with a raised pattern and a low carbon content (around 0.33 percent). This low-alloy, high-strength steel must meet size limit classifications of a maximum thickness of one inch.

Diamond plate kick plates are used on doors to protect the lower half from carts, equipment, and steel-toe boots. Industrial workers tend to kick open doors — so kick plates are practical in warehouses, manufacturing plants, and any high-traffic areas. The added protection from wear and tear can save companies money due to costly repairs.