Featuring a geometric pattern, these pre-polishing discs are recommended* for soft/general purpose (Gold) materials and hard (Silver) materials preparation grit range 400 (P800) – 1200 (P4000). They are best when used with Extec Diamond Suspensions 15 micron to 3 micron.

Included with every pre-polishing disc is the Extec Maxima GS Diamond Tool. Since each disc is delivered with a protective coating on the surface, it is imperative to remove the protective coating with the Extec Maxima GS Diamond Tool.

Available in 200mm (~8”), 250mm (~10”), 300mm (~12”) diameter and are Magnetic Compatible (MC). Special orders for PSA (Pressure Sensitive Adhesive) backed Maxima Pre-Polishing Discs and special-sizes are accepted.

*This series of Extec ® Maxima Geometric Pre-Polishing discs is not recommended for non-ferrous materials.