Mushroom Steel Disc Cutter Set, 3 Punches, 13-21 mm, Jewellery Making Tool

Charm Blank Punch Set — Mushroom Shape, 3 Steel Cutters & Die, 13-21 mm, Jewellery Making

£99.99
Sale price  £99.99 Regular price 
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Mushroom Steel Disc Cutter Set, 3 Punches, 13-21 mm, Jewellery Making Tool

Charm Blank Punch Set — Mushroom Shape, 3 Steel Cutters & Die, 13-21 mm, Jewellery Making

£99.99
Sale price  £99.99 Regular price 
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Mushroom charms need to match when they hang side by side, and punching beats cutting each one by hand. This set shears three graduated mushroom blanks — for pendants, charms and decorative elements — from annealed soft metal sheet up to 18 gauge (1.02 mm): place the sheet over the die, seat the matching punch and strike its bevelled end firmly with a mallet.

The 76 mm square die block gives the strike a stable base, and both it and the three punches — each around 38 mm long — are hardened, tempered carbon tool steel. Anneal your metal first and use a cutting lubricant; the shearing edges will stay sharp through long runs.

  • Cuts clean mushroom-shaped blanks from non-ferrous metal sheet up to 18 gauge (1.02mm).
  • Includes a 76mm square steel die block and three distinct mushroom-shaped punches.
  • Punch sizes (WxH): 13.3x15.5mm, 15.3x17.8mm, and 17.9x20.8mm.
  • Punches and die block are crafted from hardened and tempered carbon tool steel.
  • Punches are approximately 38mm long with a bevelled end for striking with a mallet.
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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