4” x 4” x 3/8" Steel Shim Base Plates A36 Hot Rolled Welding Coupons 0.375” Metal Post Plates Value Packs

A36 Carbon Steel Shim Base Plates – 4" x 4" x 3/8" (0.375")

Heavy-duty A36 hot-rolled carbon steel plates measuring 4" x 4" x 0.375". Precision-cut for consistent thickness and clean edges. Ideal for post bases, heavy shimming, and welding practice.

The more you buy, the less $ per piece!

Common applications:

• Post and column base plates
• Heavy-duty shimming and leveling
• Welding practice coupons (MIG, TIG, stick)
• Structural fabrication and repair
• Weld test and certification prep

Custom holes, sizes, and bulk orders available. Call 636-456-8400 or contact us online.

Surface Oxidation Notice: Bare steel products may have surface rust due to natural oxidation during storage and transit. This does not affect material integrity and can be removed by wire brushing, grinding, or chemical treatment.