This disc cutter set produces clean, repeatable dolphin-shaped blanks from non-ferrous metal sheet. The set includes a solid steel die block and three corresponding punches, allowing you to create components in graduated sizes for varied jewellery and craft designs.
The three precise punch sizes are 26.60 x 14.40 mm, 20.57 x 11.13 mm, and 11.33 x 6.13 mm. Both the block and punches are made from tempered high-carbon tool steel for durability and edge retention. To use, place your sheet metal in the desired slot, insert the punch, and strike firmly with a hammer. For best results and to prolong tool life, use a cutting lubricant and work on a sturdy, non-marring surface.
Ideal for creating unique pendants, charms, or decorative inlays. The graduated sizes work well for producing matching earring and necklace sets or for layered metalwork pieces.
Cuts three distinct dolphin shapes from non-ferrous sheet metal.
Punch sizes (approx): 26.6 mm, 20.6 mm, and 11.3 mm lengths.
Cuts soft metals like silver, gold, and copper up to 18 gauge (1.02 mm).
Block and punches are crafted from tempered high-carbon tool steel.
Solid 76 x 76 mm (3 x 3 inch) steel block provides a stable cutting base.
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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