Acorn Steel Disc Cutter Set, 4 Punches, 7-26 mm, Jewellery Making Tool | Disc Cutter Set | Toolsmith Ltd UK

Die & Punch Set for Acorn Blanks — 4 Steel Punches, 7-26 mm, Jewellery Sheet Metal Cutter

£99.99
Sale price  £99.99 Regular price 
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Acorn Steel Disc Cutter Set, 4 Punches, 7-26 mm, Jewellery Making Tool | Disc Cutter Set | Toolsmith Ltd UK

Die & Punch Set for Acorn Blanks — 4 Steel Punches, 7-26 mm, Jewellery Sheet Metal Cutter

£99.99
Sale price  £99.99 Regular price 
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An acorn is a quietly useful blank — pendants, earring drops, decorative components on silversmithing work, repeat parts for model making. This set punches it in four sizes from copper, brass, silver or gold sheet: anneal the metal, slide it into the die, seat the matching punch and strike firmly with a mallet. It handles non-ferrous sheet up to 18 gauge (1.02 mm).

The 76 mm square die block sits solidly under the strike, and block and punches alike are tempered high-carbon tool steel, so the shearing edges keep their bite. A cutting lubricant on each pass helps every cut stay clean and the tool last — a small habit worth keeping.

  • 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.
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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