Hardened steel disc cutter block with four emerald-cut punches arranged neatly.

Geometric Blank Cutter — Emerald Cut, 4 Steel Punches, 9-29 mm, Jewellery Die Set

£99.99
Sale price  £99.99 Regular price 
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Hardened steel disc cutter block with four emerald-cut punches arranged neatly.

Geometric Blank Cutter — Emerald Cut, 4 Steel Punches, 9-29 mm, Jewellery Die Set

£99.99
Sale price  £99.99 Regular price 
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The emerald-cut outline, rendered in sheet: four punches blank the shape at 9.68 × 20.48 mm, 13.68 × 24.48 mm, 15.68 × 26.48 mm and 17.34 × 28.14 mm. Handy for gem-motif pendants and settings work, layered components, and precise geometric parts in brass or copper — anywhere a wavering hand-cut outline would spoil the effect.

Block (76 × 76 mm) and punches are high-carbon tool steel, hardened and tempered to hold a sharp shearing edge. Use a brass or nylon mallet, keep silver, gold or copper sheet to 18 gauge (1.02 mm), and add cutting lubricant before each strike — unglamorous habits that keep every cut clean.

  • Cuts four distinct emerald shapes from non-ferrous sheet metal.
  • Punch sizes (W x L): 9.7x20.5, 13.7x24.5, 15.7x26.5, and 17.3x28.1 mm.
  • Made from hardened and tempered high-carbon tool steel for edge retention.
  • For use on soft metals up to 18 gauge (1.02 mm) like silver, gold, and copper.
  • Solid 76 x 76 mm (3 x 3 inch) steel block provides a stable cutting base.
Weight 1.35 kg

What jewellers say about us

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“Excellent value, good quality item. Exactly what was described.”
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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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