For creative handcrafted jewellery

Semi-finished products

Solid foundations are the basis for outstanding creativity.

Benefit from our extensive range of semi-finished products and our range of services: customised production, short delivery times and no quantity restrictions.

You can purchase our semi-finished products at the current selling prices or offset your delivered scrap or fine metals against your order. This saves you the difference between the purchase and selling price.

KOOS Halbfabrikate

Short delivery times, no minimum quantities & customised products

Orders for our stock products are dispatched as quickly as possible after receipt of your order. All other products are delivered within approximately four working days. We also deliver small quantities without minimum moulding costs – entirely according to your wishes and requirements. If you require alloys, sizes or products that are not listed in our product range, we will manufacture them individually for you.

Lieferprogramm Halbfabrikate

Unser Produktsortiment

  • RING BLANKS: Custom-made ring blanks in a wide variety of shapes and designs.
  • CASTINGS: Cost-effective raw forms in the most common jewellery alloys.
  • GRANULES: Precisely metered granules in gold, silver, platinum and palladium without additional shaping costs.
  • SHEET METAL: Precisely rolled and customised sheets in various thicknesses.
  • WIRE: Versatile wires in variable diameters.
  • ROUND TUBE: Uniformly shaped tubes in various dimensions.
  • SQUARE TUBE: Profiles in several square shapes.
  • SOLDER: High-quality connections in wire or sheet form.
For creative handcrafted jewellery

Semi-finished goods brochure (german version)

Download our brand new Semi-finished goods brochure as a digital PDF here (german version).

Alternativer Text

Ring blanks form

Profile ring ring blanks form

Semi-finished goods form

We are looking forward to hearing from you.