This disc cutter set allows you to punch four distinct quarter circle shapes from non-ferrous metal sheet. The block and punches are machined from high-carbon tool steel, then hardened and tempered to maintain a sharp cutting edge and ensure clean, repeatable results.
The set includes a solid steel block and four punches for the following shapes: 19x27mm, 17x24mm, 15x21mm, and 13x18mm. To operate, place your annealed metal sheet (up to 18 gauge) in the die and strike the corresponding punch firmly with a heavy mallet or hammer. Using a suitable cutting lubricant will prolong the life of the cutting edges.
Ideal for jewellers creating custom pendants, layered elements, or unique earring designs. Also suited for model makers and metal crafters needing repeatable, precise curved shapes from copper, brass, silver, or gold sheet.
Cuts four distinct quarter circle shapes from 13x18mm up to 19x27mm.
Made from hardened and tempered high-carbon tool steel for a clean cut.
Rated for non-ferrous sheet metal up to 18 gauge (approximately 1.2mm).
Solid 76 x 76 mm steel die block provides a stable cutting base.
Includes four punches, each approximately 38 mm in length.
Only 5 left at the benchSame-day Birmingham dispatch on weekday orders before 2pm.
Our steel letter, number, and design punches are heat-treated to strike non-ferrous metals: silver (sterling, fine), copper, brass, bronze, aluminium, gold. Striking hardened steel will damage the face. For pewter and very soft alloys, use light strikes.
What size impression do I need?
1–2 mm for ring shanks and small pieces (initials, hallmark-style); 3–4 mm for pendant backs and signed plaques; 5 mm+ for presentation pieces and stamped jewellery components. Bigger is not always better — a clean small mark reads better than a struggle with an oversized one.
What do I strike it with?
A 1–2 lb brass mallet on a polished steel bench block. Do not use a steel hammer — it will deform the punch over time. One firm strike beats two soft ones for a clean impression.
How do I keep the punch sharp?
Polished punches stay sharp for thousands of strikes if you are hitting cleanly on a flat block. If the face starts blurring impressions, polish lightly with 600-grit emery, then a buffing mop on a polishing motor. Replace before the face deforms further.
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