Corner Rounder Die Blades R3–R13 | Replacement Cutting Set

Precision Corner Rounder Die Blades – R3, R4, R6, R7, R8, R10, R13

Upgrade or replace the cutting blades on your manual corner rounding machine with these high-quality alloy steel die blades. Engineered for sharp, clean corner cuts, these blades are compatible with standard corner rounder cutting machines and come ready to install with a full set (2× Upper Die Blade, 1× Lower Die Blade, and 1× Wrench included).

Key Features

• High-Speed Steel Construction: Durable alloy steel blade material delivers long-lasting sharpness and fast, clean cutting action.
• Multiple Radius Options: Available in R3, R4, R6, R7, R8, R10, and R13 sizes to suit a wide range of corner rounding needs.
• Versatile Compatibility: Designed to cut foam cores, PVC boards, ABS plastic sheets, paper cards, mats, brochures, magnet boards, aluminum boards, and more.
• Easy Replacement: Includes a wrench for straightforward blade swapping — no specialist tools needed.
• Home DIY & Professional Use: Ideal for craft projects, print finishing, signage, and office or workshop applications.

Specifications

What's in the Box

• 2 × Upper Die Blade
• 1 × Lower Die Blade
• 1 × Wrench

Compatible Materials

These blades are tested and suitable for cutting:

• Foam core boards
• PVC and ABS plastic sheets
• Paper and cardstock
• Mats and laminated sheets
• Brochures and printed materials
• Magnet boards
• Thin aluminum boards

For general tool safety guidance when working with hand cutting tools, refer to the OSHA Hand and Power Tools Safety Guidelines.

Frequently Asked Questions

Q: Which corner rounding machines are these die blades compatible with?

A: These die blades are designed for standard manual corner rounding (fillet) cutting machines. The set covers the most common radius sizes — R3, R4, R6, R7, R8, R10, and R13 — so be sure to match the radius size you need to your machine's specifications before ordering.

Q: What materials can the corner rounder die blades cut?

A: The high-speed alloy steel blades can cleanly cut a variety of materials including foam core, PVC, ABS plastic boards, paper cards, mats, brochures, magnet boards, and thin aluminum boards, making them highly versatile for craft, print finishing, and signage projects.

Q: How do I replace the die blades on my corner rounder?

A: Each set includes a wrench for easy blade installation and replacement. Simply use the included wrench to loosen and remove the old blades, position the new upper and lower die blades correctly, and tighten securely. Always ensure the machine is in a stable, secured position and handle blades with care due to their sharp edges.

Q: How many blades are included in each set?

A: Each set includes 2 Upper Die Blades, 1 Lower Die Blade, and 1 Wrench — everything you need for a complete blade replacement on your corner rounding machine.