A36 Steel Square Base Plates w/ 4 Holes – Multiple Sizes – Made in USA For Sale

These square steel base plates are precision laser cut and fabricated in-house by NMW Metal Works LLC in South Carolina. Designed for accuracy, strength, and clean installation, they are ideal for brackets, mounts, light structural applications, and custom fabrication projects.

➡️ Select the desired SIZE and QTY from the dropdown menus above.

• Material: A36 Carbon Steel

• Shape: Square

• Holes: 4 holes per plate

• Finish: Raw / Mill finish (uncoated)

• Manufacturing: Made in the USA

Thickness, hole spacing, and weight vary by size.
Refer to the dimension drawings in the photos for exact measurements.

• Base plates for brackets and mounts

• Light structural supports

• Welding and fabrication projects

• DIY and industrial use

• Plates are raw steel and may show normal mill marks or surface variation

• Dimensions are nominal and may vary slightly by production run

• Hardware not included

Need a custom size, thickness, or hole pattern?
Send us a message — custom fabrication available.