Description
INDYCNC 4×4 Patch Plates – 1/4″ Steel (Set of 4)
The INDYCNC 4×4 Patch Plates are built for demolition derby frame repair and reinforcement, where strength and clean weld surfaces matter. Cut from 1/4″ thick steel, these plates are ideal for patching frames, repairing weak spots, fixing cracks, and reinforcing high-impact areas on derby cars.
Each plate is tumble cleaned to remove dross, saving prep time and giving you a cleaner, more consistent weld. Sized at 4″ x 4″, these patches are versatile enough for quick fixes or planned reinforcement, making them a must-have in any derby shop or trailer.
Sold as a set of four, these plates are ready to weld and built to take hits.
Key Features
- Designed for demolition derby frame patching and repair
- Heavy-duty 1/4″ steel construction
- 4″ x 4″ patch plates
- Tumble cleaned to remove dross for easier welding
- Clean edges and consistent thickness
- Sold as a set of (4) plates
Perfect For
- Frame patches and repairs
- Reinforcing weak or damaged areas
- Fix-it plates for derby builds
- Shop stock or trailer spares
Strong, clean, and ready to weld—the INDYCNC 4×4 Patch Plates are a simple, reliable solution for demo derby frame repairs that need to hold up when the hits start flying.











