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Disc Cutter Set for Quarter Circle Blanks — 4 Steel Punches, 13–27 mm, Jewellery Making
£99.99
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£99.99
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For cutting matched quarter-circle shapes from sheet — layered pendant elements, curved earring designs and repeatable parts for model making, in copper, brass, silver or gold. Place annealed sheet up to 18 gauge in the die, drop in the punch — 13x18, 15x21, 17x24 or 19x27 mm — and strike firmly with a heavy mallet or hammer.
The solid 76 x 76 mm die block and all four punches, each around 38 mm long, are machined from high-carbon tool steel then hardened and tempered so the cutting edges stay sharp through repeated work. A suitable cutting lubricant keeps the cuts clean and prolongs the life of the edges.
- Cuts four distinct quarter circle shapes from 13x18mm up to 19x27mm.
- Made from hardened and tempered high-carbon tool steel for a clean cut.
- Rated for non-ferrous sheet metal up to 18 gauge (approximately 1.2mm).
- Solid 76 x 76 mm steel die block provides a stable cutting base.
- Includes four punches, each approximately 38 mm in length.
Weight
1.35 kg
Common questions at the bench
What metal and thickness can it cut?
Only the non-ferrous sheet metal this product's description names, and no thicker than any gauge or thickness it gives. Do not cut steel or any other ferrous metal: sheet that is harder or thicker than the cutter is made for can chip or blunt the punches and the die.
How do I cut a clean blank?
Anneal (soften) the sheet and put a little cutting lubricant on the punch. Stand the die block on a solid, flat surface, set the sheet in it and seat the punch with its cutting end to the metal. Strike the top of the punch squarely and firmly, with the hammer or mallet this product's description suggests if it names one; one firm, square blow gives a cleaner edge than several light or glancing ones.
Will the blank need finishing?
Check each blank. Smooth any burr or sharp edge with a file or fine abrasive paper before the piece is worn or finished, and if a blank has bowed slightly in the cut, flatten it with a mallet on a bench block.
How should I look after it?
Use it only on the sheet it is made for. Wipe the punches and die block clean after use, oil them lightly and store them dry, with the cutting edges kept from knocking against other tools. If a punch sticks, tap it back out straight rather than levering or twisting it.
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