8"x1/2" Copper Flat Polishing Lap – 3mm Lapidary Metal Polishing Disc

Our Copper Flat Polishing Lapis a must-have for lapidary polishing tools enthusiasts and professionals. With a 1mm or 3mm rolled copper face laminated to a 6mm aluminum master lap, this lap provides a true turning surface for precision polishing and high-gloss finishing of gemstones, metals, and jewelry.

Ideal for use with diamond polishing compounds, our flat polishing lap ensures uniform pressure distribution and excellent thermal conductivity, enabling consistent results on both hard stones like corundum, rubies, sapphires and materials. Its rigid construction guarantees flatness and stability, making it perfect for cabochon shaping and faceting polishing.

Compared to zinc, tin, and chrome oxide polishing laps, our copper lap delivers superior grinding performance, durability, and longevity. Compatible with flat lap machines and faceting machines, this copper polishing lap works seamlessly with diamond powder, loose abrasives, and polishing compounds, providing smooth, uniform, and professional-quality finishes. Whether forprofessional lapidaries, jewelry makers, or hobbyists, this lap is designed to meet all precision lapidary and metal polishing needs.