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

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

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

Compared to zinc, tin, and chrome oxide polishinglaps, our copperlap delivers superior grinding performance, durability, and longevity. If worn or contaminated, thelap can be re-machined to restore a perfect surface, offering long-term cost-effectiveness.

Compatible with flat lap machines and faceting machines, this copper polishinglap works seamlessly with diamond powder, loose abrasives, andpolishing compounds, providing smooth, uniform, and professional-quality finishes. Whether for professional lapidaries, jewelry makers, or hobbyists, thislap is designed to meet all precisionlapidary and metalpolishing needs.