Corner Rounder, Corner Notchers | Corner Rounder Tooling

A quick and easy way to round outside corners without the expense of complex tooling! Effortlessly round corners on thick or thin aluminum, stainless steel, mild steel, and more.

The Punch Tools Outside Corner Rounder is a spring-loaded punch designed for precision rounding in sheet metal. It features four adjustable outside radii angles (click "+ info" for details).

Optional shaped rounds, including DOT or custom radii, can be added per spec—ask for details!

Call: 1.800.668.4996
Click here to email us!

Versatile and reliable, these tools are perfect for large-volume work with a single operator. Need a standalone benchtop press? We’ve got you covered with our Air Powered PortaPress!

Clean, burr-free cuts every time.

Outside Radii Angles:
1/2" , 3/4" , 1" , 1-1/2"

1.5", 1.875", 2.25", 3"

2", 3", 4", 5"

Custom radii are available. Please ask us for details!
Mild Steel: 015 up to .075
Aluminum: .015 up to .125
Power Source: Any

The punch base is square and rotates for 4 different radii. By pivoting the base, you can easily switch between these radii, with a capacity of up to 1/8” aluminum.

Setup and adjustment are straightforward, ensuring clean, burr-free cuts. Press brake mounting is available for added convenience.

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Thank you,
PTI Punch Tools In team