|Glossary Intro and Glossary Annexes|
A measure of the coarseness of an Abrasive, such as Sand Paper. The higher the number, the finer the grains. (The number is the number of grains per inch.)
A furrow running the length of the board with the grain. See also Dado. Also the Groove in the top of a table on Table Saw, or other power tool that employs a Table as part of it assembly. The groove is used to guarantee that, in relation to the saw's Blade, the Miter Square, Sled or other similar Jig slides accurately on the tool's table.