SKU:684764
Made by Rio
Copper Discs, 1/2-Hard
Delivery time: 3–5 weeks
Estimated arrival: Feb 22, 2026 – Mar 08, 2026
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This 12.7mm, 18-gauge, half-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface. This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress. CDA #110 copper; 99.9% pure. Manufactured to exacting quality standards in our solar-powered facility.
This 10mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a half-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 12.7mm, 18-gauge, half-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 16mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 191.1mm, 18-gauge, 1/2-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 20mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 22.2mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 25.4mm, 18-gauge, 1/2-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 28.6mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 31.8mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 38.1mm, 18-gauge, 1/2-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 44.5mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 50.8mm, 18-gauge, 1/2-hard round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disk has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
This 63.5mm, 18-gauge round copper disc is ideal for shaping into components for your designs. The disc is die struck with clean, crisp edges and will require some finishing to smooth its edges and polish its surface. Use dapping techniques to create concave or convex designs; make round or saucer beads using matching dapped pairs of discs. It is a perfect foundation for other findings, including bezel cups or flat-bottom prong settings, as a backdrop for wire-wrapping designs, and for personalizing with engraving or design stamps. This stamping is ideal for enameling; when enameling on metal thinner than 20ga., it is important to use a counter-enamel on the back of the piece to prevent distortion or cracking of the enamel on the front surface.
This disc has a 1/2-hard temper; it is partially work-hardened and will hold its shape under some stress.
CDA #110 copper; 99.9% pure.
Manufactured to exacting quality standards in our solar-powered facility.
Specifications
- Brand:
- Made by Rio
- Country of origin:
- United States
- Dimensions:
- 10mm
- Dimensions mm:
- 10mm
- Fabrication method:
- Die struck
- Gauge:
- 18 ga.
- Hardness:
- 1/2-hard
- Metal color:
- Copper
- Metal type:
- Copper
- Net weight:
- 14.288g (0.504 ounces)
- Price per unit:
- Priced per Pack of 20
- Quality marked:
- No
- Shape:
- Round
- Style:
- Stamping
- Thickness mm:
- 1.02mm
- Weight kg:
- 0.014
