Jende Glass Lapping Plate 10x4" with Lapping Powders
The Jende 2 sided Glass Lapping Plate is a whopping 10" x 4", and comes with coarse, medium, and fine Silicon Carbide lapping powders. Made from 1/2" thick float glass, one side is etched to be used with lapping powders to flatten your stones while the other side is perfectly smooth and flat. The etched groove side makes the plate much more aggressive for lapping with the lapping powders, and allow for swarf runoff, minimizing stiction on finer grit stones. The smooth side can accommodate a half wide sheet of full sized sand paper or lapping film, and can be used as a reference plate for knives, chisels, planes, and even for the hollow ground side of single bevel knives and tools.
To use the lapping side of the plate, wet the surface of the glass, but no need to pool any water. lightly sprinkle the desired powder grit evenly across the surface, and mark the surface of the stone with a grid pattern in pencil, pre soak the stones, and lap with even pressure using an X pattern until pencil marks are removed.
To use the reference side of the lapping plate, cut a piece of sandpaper or lapping film. either fold the sandpaper over to create a lip to secure the end under the plate, wet/dry and films can usually use a drop of water to adhere it to the plate sufficiently.