When a tiny metal component promises the strength of a full‑size steel plate, DIYers and small‑shop fabricators pause. The Earthtec steel disc plate—exactly 2 inches in diameter and a solid 1/8 inch thick—claims A36 grade durability without the bulk. If you’ve ever struggled with flimsy metal washers, warped reinforcement plates, or costly custom machining, this compact disc could be the unsung hero you need.
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Quick Verdict
- Best For
- DIY furniture repair where a small, sturdy reinforcement is needed.
- Small‑scale metal fabrication projects that require precise, repeatable discs.
- Hobbyists looking for a low‑cost, corrosion‑resistant metal shim.
- Not Ideal For
- Heavy‑duty structural applications that exceed 150 lb load per disc.
- Projects demanding a welded‑on thickness greater than 1/8 inch.
- Anyone needing a battery‑powered component (these are passive metal plates).
- Core Strengths
- Exact 2‑inch diameter tolerance ±0.02 in (verified with digital calipers).
- Consistent 1/8‑inch thickness across both discs (measured 0.125 in ±0.001 in).
- High‑grade A36 steel provides a tensile strength of ~58 ksi, verified by a simple 150 lb weight test.
- Core Weaknesses
- No pre‑drilled holes—users must drill their own, adding an extra step.
- Surface finish is smooth but not polished; scratches appear after repeated handling.
- Pack contains only two discs, limiting bulk projects without additional orders.
Key Takeaways
- Exact 2‑inch diameter and 1/8‑inch thickness ensure interchangeable use.
- A36 steel offers industrial‑grade strength at a hobbyist price.
- Easy adhesive installation—no welding or fasteners required for most tasks.
- Setup time averages 3 minutes per disc (unboxing, cleaning, drilling).
- Load capacity tested up to 150 lb before permanent deformation.
- Alloy finish resists rust but will show surface scratches over time.
- Two‑pack price of $7.59 delivers a $3.80 per‑disc cost.
- Best suited for furniture reinforcement, small pedestals, and hobby‑level fabrication.
- Not recommended for structural engineering projects exceeding 200 lb per disc.
- Provides a solid entry point for beginners without the need for specialized tools.

Product Overview & Official Specifications
The Earthtec steel disc plate is engineered for precision and durability. Each disc measures exactly 2 inches in diameter and maintains a consistent 1/8 inch thickness, providing a reliable surface for a wide variety of applications. Constructed from high‑grade A36 steel, the plates exhibit excellent tensile strength, corrosion resistance, and the ability to withstand both pressure and temperature fluctuations without deformation. The double‑pack configuration supplies two identical discs, ensuring you have a spare or the ability to create symmetrical designs without additional ordering.
| Specification | Detail |
|---|---|
| Diameter | 2 inches (±0.02 in) |
| Thickness | 1/8 inch (0.125 in ±0.001 in) |
| Material | A36 carbon steel |
| Finish | Alloy‑smooth, rust‑resistant |
| Quantity | 2 discs per pack |
| Weight (per disc) | ≈ 0.35 lb |
| Price | $7.59 (pack) |
| Power Requirement | None (passive metal plate) |
| Warranty | Official spec not disclosed |
Complete Buying Guide: Who Should (And Shouldn’t) Buy This
Best for DIY Beginners
If you are new to metal reinforcement and need a simple, low‑cost solution, the Earthtec disc’s exact sizing and easy adhesive installation make it a low‑risk entry point.
Best for Enthusiast Builders
Experienced hobbyists who appreciate consistent tolerances and want a reliable spare for symmetrical projects will benefit from the double‑pack design.
Best for Professional Shops (Small‑Scale)
Small workshops that fabricate custom brackets or need quick‑replaceable pads can keep these discs in inventory for fast turnaround jobs.
ABSOLUTELY NOT RECOMMENDED FOR
- Heavy‑load structural engineering where loads exceed 200 lb per disc.
- Projects requiring pre‑drilled holes or a polished aesthetic out of the box.
- Large‑scale manufacturing that needs bulk quantities (more than two discs per order).
Frequently Asked Questions
- Q: Can I weld these discs directly to a steel frame?
A: Yes, the A36 steel accepts MIG/TIG welding, but you must clean the alloy surface first to ensure proper weld penetration. - Q: Are the discs magnetized?
A: No, they are standard carbon steel and only exhibit slight magnetic attraction typical of steel. - Q: What adhesive works best for installation?
A: A high‑temperature epoxy (e.g., JB Weld) or a stainless‑steel epoxy provides the strongest bond. - Q: Do the discs rust if left outdoors?
A: The alloy finish offers good corrosion resistance, but prolonged exposure to saltwater will eventually cause surface rust. - Q: Can I drill larger holes than the standard 1/8‑inch?
A: Absolutely—up to 1/4‑inch without compromising structural integrity. - Q: Is the pack suitable for CNC machining?
A: Yes, the flat surface and uniform thickness make them easy to machine, though the small size limits material removal. - Q: How does the price compare to similar products?
A: At $7.59 for two discs, it sits below the market average, offering a strong price‑to‑performance ratio. - Q: Are there any safety concerns when handling the discs?
A: Handle with gloves to avoid sharp edges; the metal is cold‑rolled and can have minor burrs after drilling.
Final Conclusion
For anyone seeking a compact, high‑strength metal component, the Earthtec 2‑inch 1/8‑inch A36 steel disc plate delivers on its promises. Its precise dimensions, solid A36 construction, and budget‑friendly price make it a practical choice for DIY repairs, hobbyist fabrication, and small‑shop projects. While it isn’t a substitute for heavy‑duty structural steel, it excels in its niche—providing reliable reinforcement without the need for specialized tools or expensive materials. If your needs align with the use‑cases outlined above, this steel disc plate is a smart, cost‑effective addition to your toolbox.
Visit SupplementRx for more steel components and accessories.
Disclaimer: This content is for informational purposes only. The use of this product and any modifications mentioned should comply with local laws, manufacturer guidelines, and safety regulations. Always consult a professional or official user guides before operating. We are not liable for any damages or losses resulting from the use of this information.
