This disc cutter set allows you to consistently punch four sizes of acorn-shaped blanks from soft metal sheet. The set includes a solid 76 mm square die block and four corresponding punches, all machined from tempered, high-carbon tool steel for durable cutting edges.
To use, place your annealed non-ferrous metal sheet (up to 18 gauge or 1.02 mm) into the die, insert the matching punch, and strike firmly with a mallet. The four included punch sizes are 7.91 x 15.70 mm, 10.01 x 16.71 mm, 12.45 x 22.41 mm, and 14.75 x 25.83 mm. Using a cutting lubricant will help achieve the cleanest cut and prolong the life of the tool.
This tool is suited for jewellers creating pendants and earrings, silversmiths producing decorative components, or model makers requiring precise, repeatable shapes from copper, brass, silver, or gold sheet.
Block and punches are crafted from tempered high-carbon tool steel.
Cuts non-ferrous sheet metal up to 18 gauge (1.02 mm) thick.
Solid 76 x 76 mm (3 x 3 inch) steel die block provides a stable base.
Includes four acorn punches: 7.9, 10.0, 12.5, and 14.8 mm nominal widths.
Ideal for creating consistent, repeatable shapes for jewellery and metal craft.
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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