Five-pointed star disc cutter set showing the steel die block and five punches arranged neatly.

Disc Cutter for Star Blanks — 5 Steel Punches, 8–21 mm, Jewellery Making Tool

£109.99
Sale price  £109.99 Regular price 
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Five-pointed star disc cutter set showing the steel die block and five punches arranged neatly.

Disc Cutter for Star Blanks — 5 Steel Punches, 8–21 mm, Jewellery Making Tool

£109.99
Sale price  £109.99 Regular price 
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For punching five-pointed star blanks in matched sizes — components for pendants, charms, earrings and decorative metalwork where every star has to match the last. Set non-ferrous sheet — silver, copper or brass up to 18 gauge (1.02 mm) — in the die and strike the punch firmly with a mallet or hammer. The five punches cut stars of approximately 8x9, 11x12, 14x15, 17x18 and 20x21 mm.

The die block and punches are machined from tempered high-carbon tool steel for durable cutting edges, and the solid 76 x 76 mm (3 x 3 inch) block sits square under the strike. A cutting lubricant prolongs the life of the tool.

  • Punches and die block are machined from hardened high-carbon tool steel.
  • Five punches create stars measuring approx. 9, 12, 15, 18, and 21 mm point-to-point.
  • Cuts non-ferrous sheet metal such as silver, copper, and brass up to 18 gauge (1.02 mm).
  • The solid steel die block measures approximately 76 x 76 mm (3 x 3 inches).
  • Ideal for creating consistent star-shaped blanks for earrings, pendants, and embellishments.
Weight 1.35 kg

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Common questions at the bench

What metal does this punch work on?
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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