Leather Die Cutting Steel Knife Die Set for Belt and Leather Goods – Curved Fillet Knife Belt, Available in 2mm to 18mm Sizes, 11 Piece Set
Leather Die Cutting Steel Knife Die for Curved Fillet Cuts – 2mm to 18mm Set

Creating consistent curved fillet cuts in leather for belts, straps, and accessories requires a tool that delivers repeatable precision. This steel die knife set is engineered to cut clean curved fillet shapes from leather in one press operation, eliminating the need for manual trimming and guesswork. The dies are made from steel and are designed for use with a die cutting press. Each die produces a specific curved fillet width, with sizes available from 2mm up to 18mm. You can purchase individual sizes or the complete 10-piece set, giving flexibility for both occasional repairs and regular production work.
Features and Construction

These die knives are built around a straightforward principle: a sharp steel blade shaped to cut curved fillet edges. The construction is minimal and functional, focusing on accurate cutting performance.
Material and Build
Each die is constructed from steel, offering a rigid cutting edge that holds its shape under the repeated pressures of a die cutting press. The steel body provides the necessary stiffness to create a clean cut through the leather without distortion. No additional coatings or treatments are specified, keeping the tool simple and focused on its cutting task.
Size and Practical Fit
The set covers ten distinct fillet widths: 2mm, 3mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, and 18mm. This range suits a variety of leather belt and strap widths, as well as other small leather goods where a curved fillet edge is desired. The style option allows you to select the exact size you need, or the full set for maximum versatility. The dies are relatively compact and easy to store.
Uses and Placement

These steel die knives are intended for use with a die cutting press, typically in a workshop or production environment. Their primary application is cutting leather, specifically for shaping curved fillet profiles on belt blanks, strap ends, and similar flat leather pieces.
Professional or Workshop Use
For leatherworkers and belt makers, these dies streamline the process of shaping consistent fillet edges on multiple pieces. Instead of marking and cutting each piece by hand, a single press operation produces a repeatable curved shape, saving time and reducing material waste. The set of sizes ensures you can match the die to the belt or strap width in use.
Home or Small-Scale Use
Hobbyists and crafters with a suitable press can also benefit from the precision these dies offer. Whether finishing a single belt for a project or producing small batch runs, the steel die knife provides a reliable method for achieving a professional-looking curved fillet cut without specialised skill.
Benefits and Buying Value

The main advantage of this product is its ability to deliver consistent cuts across multiple leather pieces. Buying the right size or set saves fabrication time and improves output quality for curved fillet belt edges.
Reuse and Low Maintenance
Steel dies are inherently reusable many times, as long as they are kept clean and stored dry. No complex maintenance is required beyond basic care. The die is a long-term tool for any leather workshop.
Why Choose This Product
If your work involves cutting curved fillet shapes in leather, particularly for belts and straps, this steel die knife delivers a direct, press-operated solution. The range of individual sizes or the complete set ensures you only pay for the widths you need. It is a practical addition to any leather die cutting setup.


